Check DNS, Urls + Redirects, Certificates and Content of your Website

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Shortcuts: 1. IP-Addresses | 2. DNSSEC | 3. Name Servers | 4. SOA-Entries | 5. Screenshots | 6. Url-Checks | 7. Comments | 8. Connections | 9. Certificates | 10. CT-Logs | 11. Html-Content | 12. Html-Parsing | 13. NameServer-IPAddresses | 14. CAA | 15. TXT | 16. DomainServiceEntries | 17. Cipher Suites | 18. Portchecks |

 

X

 

DNS-problem - authoritative Nameserver refused, not defined or timeout

 

Checked:
16.05.2026 04:01:57

 

Older results

No older results found

 

1. IP-Addresses

HostTypeIP-Addressis auth.∑ Queries∑ Timeout
chat.gosoft.web.id

Name Error
yes
1
0
www.chat.gosoft.web.id

Name Error
yes
1
0
chat.gosoft.web.id
A
103.156.115.236
West Jakarta/Jakarta/Indonesia (ID) - MYREPUBLIC
No Hostname found
no


*.gosoft.web.id
A
Name Error
yes



AAAA
Name Error
yes



CNAME
Name Error
yes


*.chat.gosoft.web.id
A
Name Error
yes



AAAA
Name Error
yes



CNAME
Name Error
yes


 

2. DNSSEC

Zone (*)DNSSEC - Informations


Zone: (root)

(root)
1 DS RR published






DS with Algorithm 8, KeyTag 20326, DigestType 2 and Digest 4G1EuAuPHTmpXAsNfGXQhFjogECbvGg0VxBCN8f47I0=






• Status: Valid because published






3 DNSKEY RR found






Public Key with Algorithm 8, KeyTag 20326, Flags 257 (SEP = Secure Entry Point)






Public Key with Algorithm 8, KeyTag 38696, Flags 257 (SEP = Secure Entry Point)






Public Key with Algorithm 8, KeyTag 54393, Flags 256






1 RRSIG RR to validate DNSKEY RR found






RRSIG-Owner (root), Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 01.06.2026, 00:00:00 +, Signature-Inception: 11.05.2026, 00:00:00 +, KeyTag 20326, Signer-Name: (root)






• Status: Good - Algorithmus 8 and DNSKEY with KeyTag 20326 used to validate the DNSKEY RRSet






• Status: Valid Chain of trust. Parent-DS with Algorithm 8, KeyTag 20326, DigestType 2 and Digest "4G1EuAuPHTmpXAsNfGXQhFjogECbvGg0VxBCN8f47I0=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone



Zone: id

id
1 DS RR in the parent zone found






DS with Algorithm 8, KeyTag 26887, DigestType 2 and Digest KL4iADoa+x7Zp7uCSCJ04ttfCabFBwLHMeBA0iVzR+o=






1 RRSIG RR to validate DS RR found






RRSIG-Owner id., Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 28.05.2026, 17:00:00 +, Signature-Inception: 15.05.2026, 16:00:00 +, KeyTag 54393, Signer-Name: (root)






• Status: Good - Algorithmus 8 and DNSKEY with KeyTag 54393 used to validate the DS RRSet in the parent zone






2 DNSKEY RR found






Public Key with Algorithm 8, KeyTag 22449, Flags 256






Public Key with Algorithm 8, KeyTag 26887, Flags 257 (SEP = Secure Entry Point)






1 RRSIG RR to validate DNSKEY RR found






RRSIG-Owner id., Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 05.06.2026, 18:25:33 +, Signature-Inception: 06.05.2026, 18:10:34 +, KeyTag 26887, Signer-Name: id






• Status: Good - Algorithmus 8 and DNSKEY with KeyTag 26887 used to validate the DNSKEY RRSet






• Status: Valid Chain of trust. Parent-DS with Algorithm 8, KeyTag 26887, DigestType 2 and Digest "KL4iADoa+x7Zp7uCSCJ04ttfCabFBwLHMeBA0iVzR+o=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone



Zone: web.id

web.id
1 DS RR in the parent zone found






DS with Algorithm 10, KeyTag 34854, DigestType 2 and Digest 8SUiSIY6JyCjuykrNda+WpUaHTzNUNlGmOUlZNNpEhc=






1 RRSIG RR to validate DS RR found






RRSIG-Owner web.id., Algorithm: 8, 2 Labels, original TTL: 13300 sec, Signature-expiration: 12.06.2026, 13:08:23 +, Signature-Inception: 13.05.2026, 12:52:38 +, KeyTag 22449, Signer-Name: id






• Status: Good - Algorithmus 8 and DNSKEY with KeyTag 22449 used to validate the DS RRSet in the parent zone






2 DNSKEY RR found






Public Key with Algorithm 10, KeyTag 27635, Flags 256






Public Key with Algorithm 10, KeyTag 34854, Flags 257 (SEP = Secure Entry Point)






1 RRSIG RR to validate DNSKEY RR found






RRSIG-Owner web.id., Algorithm: 10, 2 Labels, original TTL: 86400 sec, Signature-expiration: 05.06.2026, 17:56:45 +, Signature-Inception: 06.05.2026, 17:46:49 +, KeyTag 34854, Signer-Name: web.id






• Status: Good - Algorithmus 10 and DNSKEY with KeyTag 34854 used to validate the DNSKEY RRSet






• Status: Valid Chain of trust. Parent-DS with Algorithm 10, KeyTag 34854, DigestType 2 and Digest "8SUiSIY6JyCjuykrNda+WpUaHTzNUNlGmOUlZNNpEhc=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone



Zone: gosoft.web.id

gosoft.web.id
0 DS RR in the parent zone found






DS-Query in the parent zone has a valid NSEC RR as result with the domain name between the NSEC-Owner "gosoft.web.id" and the NextOwner "gosok.web.id". So the parent zone confirmes the non-existence of a DS RR.
Bitmap: NS, RRSIG, NSEC






0 DNSKEY RR found









Zone: chat.gosoft.web.id

chat.gosoft.web.id
0 DS RR in the parent zone found



Zone: www.chat.gosoft.web.id

www.chat.gosoft.web.id
0 DS RR in the parent zone found

 

3. Name Servers

DomainNameserverNS-IP
www.chat.gosoft.web.id
•  dns1.masterweb.com

chat.gosoft.web.id
•  dns1.masterweb.com

gosoft.web.id
•  dns1.masterweb.com / dns1.masterweb.com
103.82.241.56
Jakarta/Indonesia (ID) - PT. EXABYTES NETWORK INDONESIA		•

•  dns2.masterweb.com / dns2.masterweb.com
•

•  dns3.masterweb.com / dns3.masterweb.com
•

•  dns3.masterweb.net / dns3.masterweb.com
110.4.47.109
Kuala Lumpur/Malaysia (MY) - Exa Bytes Network Sdn.Bhd.		•

•  dns4.masterweb.com / dns4.masterweb.com
•

•  dns4.masterwebnet.com / dns4.masterweb.com
103.18.245.88
George Town/Penang/Malaysia (MY) - Exa Bytes Network Sdn.Bhd.		•
web.id
•  b.dns.id / b8-sg1-sg1-204
103.19.179.179
Serpong/West Java/Indonesia (ID) - Pengelola Nama Domain Internet Indonesia		•

• 
2402:ee80:b::b
Serpong/West Java/Indonesia (ID) - Pengelola Nama Domain Internet Indonesia		•

•  c.dns.id / c5-hk1-hk-204
103.19.178.178
Serpong/West Java/Indonesia (ID) - Pengelola Nama Domain Internet Indonesia		•

• 
2402:ee80:c::c
Serpong/West Java/Indonesia (ID) - Pengelola Nama Domain Internet Indonesia		•

•  d.dns.id / d1-id1-ba1-101
45.126.57.57
Serpong/West Java/Indonesia (ID) - Pengelola Nama Domain Internet Indonesia		•

• 
2402:ee80:d::d
Cirebon/West Java/Indonesia (ID) - Pengelola Nama Domain Internet Indonesia		•

•  e.dns.id / d8-de1-ff1-209
103.19.177.177
Serpong/West Java/Indonesia (ID) - Pengelola Nama Domain Internet Indonesia		•

• 
2001:df5:4000:4::4
Serpong/West Java/Indonesia (ID) - Pengelola Nama Domain Internet Indonesia		•
id
•  b.dns.id / b8-sg1-sg1-204
•

•  c.dns.id / c5-hk1-hk-204
•

•  d.dns.id / d1-id1-ba1-101
•

•  e.dns.id / d8-de1-ff1-209
•

•  ns4.apnic.net / ns4-icn.apnic.net
•

 

4. SOA-Entries


Domain:id
Zone-Name:id
Primary:b.dns.id
Mail:hostmaster.pandi.id
Serial:2026020814
Refresh:28800
Retry:7200
Expire:604800
TTL:172800
num Entries:5


Domain:web.id
Zone-Name:web.id
Primary:b.dns.id
Mail:hostmaster.pandi.id
Serial:2025696957
Refresh:28800
Retry:7200
Expire:604800
TTL:172800
num Entries:2


Domain:web.id
Zone-Name:web.id
Primary:b.dns.id
Mail:hostmaster.pandi.id
Serial:2025696957
Refresh:28800
Retry:7200
Expire:604800
TTL:172800
num Entries:2


Domain:web.id
Zone-Name:web.id
Primary:b.dns.id
Mail:hostmaster.pandi.id
Serial:2025696958
Refresh:28800
Retry:7200
Expire:604800
TTL:172800
num Entries:2


Domain:web.id
Zone-Name:web.id
Primary:b.dns.id
Mail:hostmaster.pandi.id
Serial:2025696958
Refresh:28800
Retry:7200
Expire:604800
TTL:172800
num Entries:2


Domain:web.id
Zone-Name:web.id
Primary:b.dns.id
Mail:hostmaster.pandi.id
Serial:2025696959
Refresh:28800
Retry:7200
Expire:604800
TTL:172800
num Entries:4


Domain:web.id
Zone-Name:web.id
Primary:b.dns.id
Mail:hostmaster.pandi.id
Serial:2025696959
Refresh:28800
Retry:7200
Expire:604800
TTL:172800
num Entries:4


Domain:gosoft.web.id
Zone-Name:gosoft.web.id
Primary:dns1.masterweb.com
Mail:supportinfo.maintenis.com
Serial:2026041801
Refresh:3600
Retry:1800
Expire:1209600
TTL:86400
num Entries:1


Domain:gosoft.web.id
Zone-Name:gosoft.web.id
Primary:dns1.masterweb.com
Mail:supportinfo.maintenis.com
Serial:2026051600
Refresh:3600
Retry:1800
Expire:1209600
TTL:86400
num Entries:5


Domain:chat.gosoft.web.id
Zone-Name:
Primary:
Mail:
Serial:
Refresh:
Retry:
Expire:
TTL:
num Entries:1


Domain:www.chat.gosoft.web.id
Zone-Name:
Primary:
Mail:
Serial:
Refresh:
Retry:
Expire:
TTL:
num Entries:1


5. Screenshots

Startaddress: https://chat.gosoft.web.id/, address used: https://chat.gosoft.web.id/, Screenshot created 2026-05-16 04:04:24 +00:0 url is insecure, certificate invalid

 

Mobil (412px x 732px)

 

693 milliseconds

 

Screenshot mobile - https://chat.gosoft.web.id/
Mobil + Landscape (732px x 412px)

 

734 milliseconds

 

Screenshot mobile landscape - https://chat.gosoft.web.id/
Screen (1280px x 1680px)

 

1397 milliseconds

 

Screenshot Desktop - https://chat.gosoft.web.id/

 

Mobile- and other Chrome-Checks


widthheight
visual Viewport412732
content Size412732

 

Good: No horizontal scrollbar. Content-size width = visual Viewport width.

 

6. Url-Checks


:

:
DomainnameHttp-StatusredirectSec.G
• http://chat.gosoft.web.id/
103.156.115.236
404

Html is minified: 110.07 %
0.514
M
Not Found
Server: nginx/1.20.1
Date: Sat, 16 May 2026 02:03:57 GMT
Connection: keep-alive
Content-Type: text/html
Content-Length: 153

• https://chat.gosoft.web.id/
103.156.115.236
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0		403

Html is minified: 110.07 %
Other inline scripts (∑/total): 0/0		8.516
N
Forbidden
Certificate error: RemoteCertificateNameMismatch
Server: nginx/1.20.1
Date: Sat, 16 May 2026 02:03:58 GMT
Connection: keep-alive
Content-Type: text/html
Content-Length: 153

• http://chat.gosoft.web.id/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
103.156.115.236
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0		404

Html is minified: 110.07 %
Other inline scripts (∑/total): 0/0		0.523
A
Not Found
Visible Content:
Server: nginx/1.20.1
Date: Sat, 16 May 2026 02:04:07 GMT
Connection: keep-alive
Content-Type: text/html
Content-Length: 153

• https://103.156.115.236/
103.156.115.236
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0		403

Html is minified: 110.07 %
Other inline scripts (∑/total): 0/0		8.500
N
Forbidden
Certificate error: RemoteCertificateNameMismatch
Server: nginx/1.20.1
Date: Sat, 16 May 2026 02:04:08 GMT
Connection: keep-alive
Content-Type: text/html
Content-Length: 153

 

7. Comments


1. General Results, most used to calculate the result

Aname "chat.gosoft.web.id" is subdomain, public suffix is ".web.id", top-level-domain is ".id", top-level-domain-type is "country-code", Country is Indonesia, tld-manager is "Perkumpulan Pengelola Nama Domain Internet Indonesia (PANDI)", num .id-domains preloaded: 703 (complete: 276475)
AGood: All ip addresses are public addresses
AGood: No asked Authoritative Name Server had a timeout
ADNS: "Name Error" means: No www-dns-entry defined. This isn't a problem
AGood: No cookie sent via http.
HSTS-Preload-Status: unknown. Domain never included in the Preload-list. Check https://hstspreload.org/ to learn some basics about the Google-Preload-List.
AGood: Some urls with http status 200/404 have a complete Content-Type header (MediaType / MediaSubType + correct charset):0 complete Content-Type - header (4 urls)
http://chat.gosoft.web.id/ 103.156.115.236


Url with incomplete Content-Type - header - missing charset
https://chat.gosoft.web.id/ 103.156.115.236


Url with incomplete Content-Type - header - missing charset
http://chat.gosoft.web.id/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 103.156.115.236


Url with incomplete Content-Type - header - missing charset
https://103.156.115.236/ 103.156.115.236


Url with incomplete Content-Type - header - missing charset
Bhttps://chat.gosoft.web.id/ 103.156.115.236
403

Missing HSTS-Header
CError - no version with Http-Status 200
HFatal error: No https - result with http-status 200, no encryption
Mhttp://chat.gosoft.web.id/ 103.156.115.236
404

Misconfiguration - main pages should never send http status 400 - 499
Mhttps://chat.gosoft.web.id/ 103.156.115.236
403

Misconfiguration - main pages should never send http status 400 - 499
Mhttps://103.156.115.236/ 103.156.115.236
403

Misconfiguration - main pages should never send http status 400 - 499
Nhttps://chat.gosoft.web.id/ 103.156.115.236
403

Error - Certificate isn't trusted, RemoteCertificateNameMismatch
Nhttps://103.156.115.236/ 103.156.115.236
403

Error - Certificate isn't trusted, RemoteCertificateNameMismatch
BNo _mta-sts TXT record found (mta-sts: Mail Transfer Agent Strict Transport Security - see RFC 8461). Read the result of server-daten.de (Url-Checks, Comments, Connections and DomainServiceRecords) to see a complete definition. Domainname: _mta-sts.chat.gosoft.web.id

2. Header-Checks

Fchat.gosoft.web.id 103.156.115.236
Content-Security-Policy
Critical: Missing Header:
Fchat.gosoft.web.id 103.156.115.236
X-Content-Type-Options
Critical: Missing Header:
Fchat.gosoft.web.id 103.156.115.236
Referrer-Policy
Critical: Missing Header:
Fchat.gosoft.web.id 103.156.115.236
Permissions-Policy
Critical: Missing Header:
Bchat.gosoft.web.id 103.156.115.236
Cross-Origin-Embedder-Policy
Info: Missing Header
Bchat.gosoft.web.id 103.156.115.236
Cross-Origin-Opener-Policy
Info: Missing Header
Bchat.gosoft.web.id 103.156.115.236
Cross-Origin-Resource-Policy
Info: Missing Header

3. DNS- and NameServer - Checks

AInfo:: 9 Root-climbing DNS Queries required to find all IPv4- and IPv6-Addresses of 3 Name Servers.
AInfo:: 9 Queries complete, 5 with IPv6, 4 with IPv4.
Warning: Only some DNS Queries done via ipv6. IPv6 is the future, so the name servers of your name servers should have ipv6 addresses.
AGood: Some ip addresses of name servers found with the minimum of two DNS Queries. One to find the TLD-Zone, one to ask the TLD-Zone.dns1.masterweb.com (103.82.241.56), dns1.masterweb.com (103.82.241.56)
AGood (1 - 3.0):: An average of 3.0 queries per domain name server required to find all ip addresses of all name servers.
AInfo:: 6 different Name Servers found: dns1.masterweb.com, dns2.masterweb.com, dns3.masterweb.com, dns3.masterweb.net, dns4.masterweb.com, dns4.masterwebnet.com, 4 Name Servers included in Delegation: dns1.masterweb.com, dns2.masterweb.com, dns3.masterweb.net, dns4.masterwebnet.com, 4 Name Servers included in 1 Zone definitions: dns1.masterweb.com, dns2.masterweb.com, dns3.masterweb.com, dns4.masterweb.com, 1 Name Servers listed in SOA.Primary: dns1.masterweb.com.
AGood: Only one SOA.Primary Name Server found.: dns1.masterweb.com.
AGood: SOA.Primary Name Server included in the delegation set.: dns1.masterweb.com.
XFatal: Inconsistency between delegation and zone. The set of NS records served by the authoritative name servers must match those proposed for the delegation in the parent zone. Read https://www.iana.org/help/nameserver-requirements and send it to your Name Server Hoster.: dns1.masterweb.com (103.82.241.56): Delegation: dns1.masterweb.com, dns2.masterweb.com, dns3.masterweb.net, dns4.masterwebnet.com, Zone: dns1.masterweb.com, dns2.masterweb.com, dns3.masterweb.com, dns4.masterweb.com. Name Servers defined in Delegation, missing in Zone: dns3.masterweb.net, dns4.masterwebnet.com.Name Servers defined in Zone, missing in Delegation: dns3.masterweb.com, dns4.masterweb.com.
XFatal: Inconsistency between delegation and zone. The set of NS records served by the authoritative name servers must match those proposed for the delegation in the parent zone. Read https://www.iana.org/help/nameserver-requirements and send it to your Name Server Hoster.: dns2.masterweb.com (): Delegation: dns1.masterweb.com, dns2.masterweb.com, dns3.masterweb.net, dns4.masterwebnet.com, Zone: dns1.masterweb.com, dns2.masterweb.com, dns3.masterweb.com, dns4.masterweb.com. Name Servers defined in Delegation, missing in Zone: dns3.masterweb.net, dns4.masterwebnet.com.Name Servers defined in Zone, missing in Delegation: dns3.masterweb.com, dns4.masterweb.com.
XFatal: Inconsistency between delegation and zone. The set of NS records served by the authoritative name servers must match those proposed for the delegation in the parent zone. Read https://www.iana.org/help/nameserver-requirements and send it to your Name Server Hoster.: dns3.masterweb.com (): Delegation: dns1.masterweb.com, dns2.masterweb.com, dns3.masterweb.net, dns4.masterwebnet.com, Zone: dns1.masterweb.com, dns2.masterweb.com, dns3.masterweb.com, dns4.masterweb.com. Name Servers defined in Delegation, missing in Zone: dns3.masterweb.net, dns4.masterwebnet.com.Name Servers defined in Zone, missing in Delegation: dns3.masterweb.com, dns4.masterweb.com.
XFatal: Inconsistency between delegation and zone. The set of NS records served by the authoritative name servers must match those proposed for the delegation in the parent zone. Read https://www.iana.org/help/nameserver-requirements and send it to your Name Server Hoster.: dns3.masterweb.net (110.4.47.109): Delegation: dns1.masterweb.com, dns2.masterweb.com, dns3.masterweb.net, dns4.masterwebnet.com, Zone: dns1.masterweb.com, dns2.masterweb.com, dns3.masterweb.com, dns4.masterweb.com. Name Servers defined in Delegation, missing in Zone: dns3.masterweb.net, dns4.masterwebnet.com.Name Servers defined in Zone, missing in Delegation: dns3.masterweb.com, dns4.masterweb.com.
XFatal: Inconsistency between delegation and zone. The set of NS records served by the authoritative name servers must match those proposed for the delegation in the parent zone. Read https://www.iana.org/help/nameserver-requirements and send it to your Name Server Hoster.: dns4.masterweb.com (): Delegation: dns1.masterweb.com, dns2.masterweb.com, dns3.masterweb.net, dns4.masterwebnet.com, Zone: dns1.masterweb.com, dns2.masterweb.com, dns3.masterweb.com, dns4.masterweb.com. Name Servers defined in Delegation, missing in Zone: dns3.masterweb.net, dns4.masterwebnet.com.Name Servers defined in Zone, missing in Delegation: dns3.masterweb.com, dns4.masterweb.com.
XFatal: Inconsistency between delegation and zone. The set of NS records served by the authoritative name servers must match those proposed for the delegation in the parent zone. Read https://www.iana.org/help/nameserver-requirements and send it to your Name Server Hoster.: dns4.masterwebnet.com (103.18.245.88): Delegation: dns1.masterweb.com, dns2.masterweb.com, dns3.masterweb.net, dns4.masterwebnet.com, Zone: dns1.masterweb.com, dns2.masterweb.com, dns3.masterweb.com, dns4.masterweb.com. Name Servers defined in Delegation, missing in Zone: dns3.masterweb.net, dns4.masterwebnet.com.Name Servers defined in Zone, missing in Delegation: dns3.masterweb.com, dns4.masterweb.com.
AGood: All Name Server Domain Names have a Public Suffix.
Error: Name Server Domain Names with Public Suffix and without ip address found.: 3 Name Servers without ipv4 and ipv6: 3

AInfo: Ipv4-Subnet-list: 3 Name Servers, 2 different subnets (first Byte): 103., 110., 3 different subnets (first two Bytes): 103.18., 103.82., 110.4., 3 different subnets (first three Bytes): 103.18.245., 103.82.241., 110.4.47.
AGood: Name Server IPv4-addresses from different subnet found:
AGood: Nameserver supports TCP connections: 6 good Nameserver
AGood: Nameserver supports Echo Capitalization: 6 good Nameserver
AGood: Nameserver supports EDNS with max. 512 Byte Udp payload, message is smaller: 6 good Nameserver
Nameserver doesn't pass all EDNS-Checks: dns1.masterweb.com: OP100: no result. FLAGS: no result. V1: no result. V1OP100: no result. V1FLAGS: no result. DNSSEC: no result. V1DNSSEC: no result. NSID: no result. COOKIE: no result. CLIENTSUBNET: no result.
Nameserver doesn't pass all EDNS-Checks: dns1.masterweb.com: OP100: no result. FLAGS: no result. V1: no result. V1OP100: no result. V1FLAGS: no result. DNSSEC: no result. V1DNSSEC: no result. NSID: no result. COOKIE: no result. CLIENTSUBNET: no result.
Nameserver doesn't pass all EDNS-Checks: dns3.masterweb.net / 110.4.47.109: OP100: ok. FLAGS: ok. V1: fatal timeout. V1OP100: ok. V1FLAGS: ok. DNSSEC: ok. V1DNSSEC: ok. NSID: ok (dns3.masterweb.com). COOKIE: ok. CLIENTSUBNET: ok.
AGood: All SOA have the same Serial Number
Warning: No CAA entry with issue/issuewild found, every CAA can create a certificate. Read https://en.wikipedia.org/wiki/DNS_Certification_Authority_Authorization to learn some basics about the idea of CAA. Your name server must support such an entry. Not all dns providers support CAA entries.

4. Content- and Performance-critical Checks

AGood: All checks /.well-known/acme-challenge/random-filename without redirects answer with the expected http status 404 - Not Found. Creating a Letsencrypt certificate via http-01 challenge should work. If it doesn't work: Check your vHost configuration (apachectl -S, httpd -S, nginx -T). Every combination of port and ServerName / ServerAlias (Apache) or Server (Nginx) must be unique. Merge duplicated entries in one vHost. If you use an IIS, extensionless files must be allowed in the /.well-known/acme-challenge subdirectory. Create a web.config in that directory. Content: <configuration><system.webServer><staticContent><mimeMap fileExtension="." mimeType="text/plain" /></staticContent></system.webServer></configuration>. If you have a redirect http ⇒ https, that's ok, Letsencrypt follows such redirects to port 80 / 443 (same or other server). There must be a certificate. But the certificate may be expired, self signed or with a not matching domain name. Checking the validation file Letsencrypt ignores such certificate errors. Trouble creating a certificate? Use https://community.letsencrypt.org/ to ask.
AInfo: No img element found, no alt attribute checked
AGood: Domainname is not on the "Specially Designated Nationals And Blocked Persons List" (SDN). That's an US-list of individuals and companies owned or controlled by, or acting for or on behalf of, targeted countries. It also lists individuals, groups, and entities, such as terrorists and narcotics traffickers designated under programs that are not country-specific. Collectively, such individuals and companies are called "Specially Designated Nationals" or "SDNs." Their assets are blocked and U.S. persons are generally prohibited from dealing with them. So if a domain name is on that list, it's impossible to create a Letsencrypt certificate with that domain name. Check the list manual - https://www.treasury.gov/resource-center/sanctions/sdn-list/pages/default.aspx
ADuration: 152694 milliseconds, 152.694 seconds

 

8. Connections

DomainIPPortCert.ProtocolKeyExchangeStrengthCipherStrengthHashAlgorithmOCSP stapling
Domain/KeyExchangeIP/StrengthPort/CipherCert./StrengthProtocol/HashAlgorithmOCSP stapling
chat.gosoft.web.id
103.156.115.236
443
name does not match
Tls12
ECDH Ephermal
255
Aes256
256
Sha384
not supported
ok
chat.gosoft.web.id
103.156.115.236
443
name does not match
Tls12

ECDH Ephermal
255
Aes256
256
Sha384
not supported
ok
no http/2 via ALPN 
Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
no http/2 via ALPN
 Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
Chain (complete)

1CN=homelab.gosoft.web.id


2CN=E8, O=Let's Encrypt, C=US


103.156.115.236
103.156.115.236
443
name does not match
Tls12
ECDH Ephermal
255
Aes256
256
Sha384
not supported
ok

103.156.115.236
103.156.115.236
443
name does not match
Tls12

ECDH Ephermal
255
Aes256
256
Sha384
not supported
ok
no http/2 via ALPN 
Cert sent without SNI 		Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
no http/2 via ALPN
Cert sent without SNI 		Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
Chain (complete)

1CN=homelab.gosoft.web.id


2CN=E8, O=Let's Encrypt, C=US

 

9. Certificates

1.
1.
CN=homelab.gosoft.web.id
03.04.2026
02.07.2026
expires in 24 days		homelab.gosoft.web.id - 1 entry
1.
1.
CN=homelab.gosoft.web.id
03.04.2026

02.07.2026
expires in 24 days


homelab.gosoft.web.id - 1 entry

KeyalgorithmEC Public Key (256 bit, prime256v1)
Signatur:ECDSA SHA384
Serial Number:06C9CE71EC970B2213A655F8594907DC448D
Thumbprint:01D742AED8E9C3DFDFA1A080063CFB141CF3A932
SHA256 / Certificate:KWxoWVhOYbStUXg8D2dKpqTyvs3L8fpTo5FurrgevJA=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):126fbd8b75cf27a54e7618bf0a71c9544923e67b6135e8500379fb2ccbd83131
SHA256 hex / Subject Public Key Information (SPKI):126fbd8b75cf27a54e7618bf0a71c9544923e67b6135e8500379fb2ccbd83131 (is buggy, ignore the result)
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Good: Key isn't compromised
OCSP - Url:
OCSP - must staple:no
Certificate Transparency:yes
Enhanced Key Usage:Serverauthentifizierung (1.3.6.1.5.5.7.3.1)




2.
CN=E8, O=Let's Encrypt, C=US
13.03.2024
13.03.2027
expires in 278 days

2.
CN=E8, O=Let's Encrypt, C=US
13.03.2024

13.03.2027
expires in 278 days




KeyalgorithmEC Public Key (384 bit, secp384r1)
Signatur:SHA256 With RSA-Encryption
Serial Number:63959363C24E7082715918BFC3D7ED56
Thumbprint:54317EB0765F0BC674855184EB8374B4199E4655
SHA256 / Certificate:g2JP0zjI2bAjwYpny3qcBRnaQ9EXdbTGy9rUXD2ZfFI=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):885bf0572252c6741dc9a52f5044487fef2a93b811cdedfad7624cc283b7cdd5
SHA256 hex / Subject Public Key Information (SPKI):
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Check unknown. No result 404 / 200
OCSP - Url:
OCSP - must staple:no
Certificate Transparency:no
Enhanced Key Usage:Clientauthentifizierung (1.3.6.1.5.5.7.3.2), Serverauthentifizierung (1.3.6.1.5.5.7.3.1)




3.
CN=ISRG Root X1, O=Internet Security Research Group, C=US
04.06.2015
04.06.2035
expires in 3283 days

3.
CN=ISRG Root X1, O=Internet Security Research Group, C=US
04.06.2015

04.06.2035
expires in 3283 days




KeyalgorithmRSA encryption (4096 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:008210CFB0D240E3594463E0BB63828B00
Thumbprint:CABD2A79A1076A31F21D253635CB039D4329A5E8
SHA256 / Certificate:lrzsBiZJdvN0YHeazyjFp8/oo8Cq4RqP/O4FwL3fCMY=
SHA256 hex / Cert (DANE * 0 1):96bcec06264976f37460779acf28c5a7cfe8a3c0aae11a8ffcee05c0bddf08c6
SHA256 hex / PublicKey (DANE * 1 1):0b9fa5a59eed715c26c1020c711b4f6ec42d58b0015e14337a39dad301c5afc3
SHA256 hex / Subject Public Key Information (SPKI):0b9fa5a59eed715c26c1020c711b4f6ec42d58b0015e14337a39dad301c5afc3
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Good: Key isn't compromised
OCSP - Url:
OCSP - must staple:no
Certificate Transparency:no
Enhanced Key Usage:




 

10. Last Certificates - Certificate Transparency Log Check

1. Source CertSpotter - active certificates (one check per day)

No CertSpotter - CT-Log entries found

 

2. Source crt.sh - old and new certificates, sometimes very slow - only certificates with "not after" > of the last months are listed

No CRT - CT-Log entries found

 

11. Html-Content - Entries

No Html-Content entries found. Only checked if https + status 200/401/403/404

 

12. Html-Parsing via https://validator.w3.org/nu/


No https result http status 200 and Content-Type text/html or text/xml found, no Html-Parsing - Check

 

13. Nameserver - IP-Adresses

Required Root-climbing DNS-Queries to find ip addresses of all Name Servers: dns1.masterweb.com, dns3.masterweb.net, dns4.masterwebnet.com

 

QNr.DomainTypeNS used
1
com
NS
d.root-servers.net (2001:500:2d::d)

Answer: a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net
2
dns1.masterweb.com: 103.82.241.56
NS
a.gtld-servers.net (2001:503:a83e::2:30)

Answer: dns2.masterweb.com
43.229.84.112

Answer: dns3.masterweb.com
110.4.47.109

Answer: dns4.masterweb.com
103.18.245.88
3
net
NS
l.root-servers.net (2001:500:9f::42)

Answer: a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net
4
dns3.masterweb.net
NS
a.gtld-servers.net (2001:503:a83e::2:30)

Answer: dns1.masterweb.com, dns2.masterweb.com, dns3.masterweb.com, dns4.masterweb.com
5
dns4.masterwebnet.com
NS
a.gtld-servers.net (2001:503:a83e::2:30)

Answer: dns1.masterweb.com, dns2.masterweb.com, dns3.masterweb.com, dns4.masterweb.com

Answer: dns1.masterweb.com
103.82.241.56

Answer: dns2.masterweb.com
43.229.84.112

Answer: dns3.masterweb.com
110.4.47.109

Answer: dns4.masterweb.com
103.18.245.88
6
dns3.masterweb.net: 110.4.47.109
A
dns1.masterweb.com (103.82.241.56)
7
dns3.masterweb.net: No AAAA record found
AAAA
dns1.masterweb.com (103.82.241.56)
8
dns4.masterwebnet.com: 103.18.245.88
A
dns1.masterweb.com (103.82.241.56)
9
dns4.masterwebnet.com: No AAAA record found
AAAA
dns1.masterweb.com (103.82.241.56)

 

14. CAA - Entries

DomainnameflagNameValue∑ Queries∑ Timeout
gosoft.web.id
0

no CAA entry found
1
0
web.id
0

no CAA entry found
1
0
id
0

no CAA entry found
1
0

 

15. TXT - Entries

DomainnameTXT EntryStatus∑ Queries∑ Timeout
gosoft.web.id
2skveudwc5
ok
1
0
gosoft.web.id
v=spf1 ip4:103.229.73.61 ip4:103.229.73.100 a mx include:idse.idcloudhosting.com -all
ok
1
0
_acme-challenge.chat.gosoft.web.id.gosoft.web.id

Name Error - The domain name does not exist
1
0

 

16. DomainService - Entries

TypeDomainPrefValueDNS-errornum AnswersStatusDescription
SPF
TXT
chat.gosoft.web.id

4PermError: Domainname not defined: NXDOMAIN

				 
			

				 
			
17. Cipher Suites
No results 

				 
			
18. Portchecks



No open Ports <> 80 / 443 found, so no additional Ports checked.



				 
			

				 
			

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