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


Info: Problems with 3.048.289 Letsencrypt certificates (378.325 accounts). They must be revoked (revocation starts 2020-03-04 20:00 UTC) - see Revoking certain certificates on March 4. Update 2020-03-07: Good news: Mass-revocation is canceled.

This tool: A check (SerialNumber) is added. Letsencrypt has published a list of critical SerialNumbers, this list is checked. See the part "9. Certificates". If there is a warning, renew that certificate and replace the current certificate.




X

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

Checked:
28.04.2020 12:02:25


Older results


1. IP-Addresses

HostTypeIP-Addressis auth.∑ Queries∑ Timeout
bsgcars.com.ng
A

yes
1
0

AAAA

yes


www.bsgcars.com.ng

Name Error
yes
1
0


2. DNSSEC

Info: The Xml-split has triggered some hidden bugs. Now it looks ok.
If root or the top level zone isn't validated, it's buggy.
Both green and your domain is red -> it's your domain.

Zone (*)DNSSEC - Informations

Zone: (root)
(root)
1 DS RR published



Status: Valid because published



2 DNSKEY RR found



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



Public Key with Algorithm 8, KeyTag 48903, Flags 256



1 RRSIG RR to validate DNSKEY RR found



Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 12.05.2020, 00:00:00 +, Signature-Inception: 21.04.2020, 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: ng
ng
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 "ng" and the NextOwner "ngo". So the parent zone confirmes the non-existence of a DS RR. Bitmap: NS, RRSIG, NSEC



0 DNSKEY RR found





Zone: com.ng
com.ng
0 DS RR in the parent zone found



0 DNSKEY RR found





Zone: bsgcars.com.ng
bsgcars.com.ng
0 DS RR in the parent zone found



0 DNSKEY RR found





Zone: www.bsgcars.com.ng
www.bsgcars.com.ng
0 DS RR in the parent zone found


3. Name Servers

DomainNameserverNS-IP
www.bsgcars.com.ng
  dante.ns.cloudflare.com

bsgcars.com.ng
  dante.ns.cloudflare.com / 67m22
162.159.44.10
Chicago/Illinois/United States (US) - Cloudflare, Inc.


 
2606:4700:58::a29f:2c0a
San Francisco/California/United States (US) - Cloudflare, Inc.


  kristin.ns.cloudflare.com / 67m7
173.245.58.181
Chicago/Illinois/United States (US) - Cloudflare, Inc.


 
2606:4700:50::adf5:3ab5
San Francisco/California/United States (US) - Cloudflare, Inc.

com.ng
  ns1.nic.net.ng


  ns2.nic.net.ng / 1.ber.pch


  ns5.nic.net.ng / s03-ns2.jnb


  nsa.nic.net.ng

ng
T  ns1.nic.net.ng


  ns2.nic.net.ng / 2.ber.pch


  ns5.nic.net.ng / s03-ns2.jnb


  nsa.nic.net.ng


4. SOA-Entries


Domain:ng
Zone-Name:
Primary:nsa.nic.net.ng
Mail:noc.nira.org.ng
Serial:2020042821
Refresh:10800
Retry:3600
Expire:604800
TTL:3600
num Entries:4


Domain:com.ng
Zone-Name:
Primary:
Mail:
Serial:
Refresh:
Retry:
Expire:
TTL:
num Entries:1


Domain:com.ng
Zone-Name:
Primary:nsa.nic.net.ng
Mail:hostmaster.nic.net.ng
Serial:2020042821
Refresh:10800
Retry:3600
Expire:604800
TTL:3600
num Entries:3


Domain:bsgcars.com.ng
Zone-Name:
Primary:dante.ns.cloudflare.com
Mail:dns.cloudflare.com
Serial:2032911356
Refresh:10000
Retry:2400
Expire:604800
TTL:3600
num Entries:4


Domain:www.bsgcars.com.ng
Zone-Name:
Primary:
Mail:
Serial:
Refresh:
Retry:
Expire:
TTL:
num Entries:1


5. Screenshots

No Screenshot listed, because no url-check with https + http status 200-299, 400-599 + not-ACME-check found.

6. Url-Checks

DomainnameHttp-StatusredirectSec.G







7. Comments


1. General Results, most used to calculate the result

Aname "bsgcars.com.ng" is domain, public suffix is "com.ng", top-level-domain-type is "country-code", Country is Nigeria, tld-manager is "Nigeria Internet Registration Association"
Agood: No asked Authoritative Name Server had a timeout
ADNS: "Name Error" means: No www-dns-entry defined. This isn't a problem
HSTS-Preload-Status: unknown. Domain never included in the Preload-list. Check https://hstspreload.org/ to learn some basics about the Google-Preload-List.

2. DNS- and NameServer - Checks

AGood: Consistency 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. Ordered list of name servers: dante.ns.cloudflare.com,kristin.ns.cloudflare.com
AGood: Minimal 2 different name servers (public suffix and public ip address) found: 2 different Name Servers found
AGood: All name servers have ipv4- and ipv6-addresses.: 2 different Name Servers found
Warning: All Name Servers have the same Top Level Domain / Public Suffix. If there is a problem with that Top Level Domain, your domain may be affected. Better: Use Name Servers with different top level domains.: 2 Name Servers, 1 Top Level Domains: com
Warning: All Name Servers from the same Country / IP location.: 2 Name Servers, 1 Countries: US
AInfo: Ipv4-Subnet-list: 2 Name Servers, 2 different subnets (first Byte): 162., 173., 2 different subnets (first two Bytes): 162.159., 173.245., 2 different subnets (first three Bytes): 162.159.44., 173.245.58.
AExcellent: Every Name Server IPv4-address starts with an unique Byte.
AInfo: IPv6-Subnet-list: 2 Name Servers with IPv6, 1 different subnets (first block): 2606:, 1 different subnets (first two blocks): 2606:4700:, 2 different subnets (first three blocks): 2606:4700:0050:, 2606:4700:0058:, 2 different subnets (first four blocks): 2606:4700:0050:0000:, 2606:4700:0058:0000:
AGood: Name Server IPv6 addresses from different subnets found.
AGood: Nameserver supports TCP connections: 4 good Nameserver
AGood: Nameserver supports Echo Capitalization: 4 good Nameserver
XNameserver Timeout checking Echo Capitalization: ns1.nic.net.ng
AGood: Nameserver supports EDNS with max. 512 Byte Udp payload, message is smaller: 4 good Nameserver
XNameserver Timeout checking EDNS512: ns1.nic.net.ng
AGood: Nameserver has passed 10 EDNS-Checks (OP100, FLAGS, V1, V1OP100, V1FLAGS, DNSSEC, V1DNSSEC, NSID, COOKIE, CLIENTSUBNET): 4 good Nameserver
Nameserver doesn't pass all EDNS-Checks: dante.ns.cloudflare.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: ns1.nic.net.ng: OP100: ok. FLAGS: ok. V1: ok. V1OP100: fatal timeout. V1FLAGS: ok. DNSSEC: ok. V1DNSSEC: ok. NSID: fatal timeout. COOKIE: ok. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: ns1.nic.net.ng: OP100: fatal timeout. FLAGS: ok. V1: ok. V1OP100: ok. V1FLAGS: fatal timeout. DNSSEC: fatal timeout. V1DNSSEC: ok. NSID: ok. COOKIE: fatal timeout. 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.

3. Content- and Performance-critical Checks

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: 156546 milliseconds, 156.546 seconds


8. Connections

No connection informations found. Perhaps only http - connections.


9. Certificates

No certificate informations found. Perhaps only http - connections.


10. Last Certificates - Certificate Transparency Log Check

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

Issuerlast 7 daysactivenum Certs
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
0
0
5
CN=CloudFlare Inc ECC CA-2, O="CloudFlare, Inc.", L=San Francisco, C=US, ST=CA
0
1
1
CN="cPanel, Inc. Certification Authority", O="cPanel, Inc.", L=Houston, C=US, ST=TX
0
0
1

CertSpotter-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
1328697643
precert
CN=CloudFlare Inc ECC CA-2, O="CloudFlare, Inc.", L=San Francisco, C=US, ST=CA
2019-12-27 00:00:00
2020-10-09 12:00:00
*.bsgcars.com.ng, bsgcars.com.ng, sni.cloudflaressl.com - 3 entries


1229940648
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-11-07 15:11:31
2020-02-05 15:11:31
bsgcars.com.ng - 1 entries


1229874107
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-11-07 14:27:20
2020-02-05 14:27:20
bsgcars.com.ng - 1 entries


1229003789
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-11-07 05:21:29
2020-02-05 05:21:29
bsgcars.com.ng - 1 entries


1228130816
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-11-06 19:29:07
2020-02-04 19:29:07
bsgcars.com.ng - 1 entries


1222175524
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-11-03 21:40:00
2020-02-01 21:40:00
bsgcars.com.ng - 1 entries


1218648068
leaf cert
CN="cPanel, Inc. Certification Authority", O="cPanel, Inc.", L=Houston, C=US, ST=TX
2019-11-01 00:00:00
2020-01-30 23:59:59
bsgcars.com.ng, cpanel.bsgcars.com.ng, mail.bsgcars.com.ng, webdisk.bsgcars.com.ng, webmail.bsgcars.com.ng, whm.bsgcars.com.ng, www.bsgcars.com.ng - 7 entries



2. Source crt.sh - old and new certificates, sometimes very slow - only certificates with "not after" > 2019 are listed

Issuerlast 7 daysactivenum Certs
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
0 /0 new
0
5
CN="cPanel, Inc. Certification Authority", O="cPanel, Inc.", L=Houston, C=US, ST=TX
0
0
1

CRT-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
2083680168
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-11-07 14:11:31
2020-02-05 14:11:31
bsgcars.com.ng
1 entries


2083532886
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-11-07 13:27:20
2020-02-05 13:27:20
bsgcars.com.ng
1 entries


2081881671
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-11-07 04:21:29
2020-02-05 04:21:29
bsgcars.com.ng
1 entries


2079616804
precert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-11-06 18:29:07
2020-02-04 18:29:07
bsgcars.com.ng
1 entries


2068395294
precert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-11-03 20:40:00
2020-02-01 20:40:00
bsgcars.com.ng
1 entries


2061812933
leaf cert
CN="cPanel, Inc. Certification Authority", O="cPanel, Inc.", L=Houston, C=US, ST=TX
2019-10-31 23:00:00
2020-01-30 22:59:59
bsgcars.com.ng, cpanel.bsgcars.com.ng, mail.bsgcars.com.ng, webdisk.bsgcars.com.ng, webmail.bsgcars.com.ng, whm.bsgcars.com.ng, www.bsgcars.com.ng
7 entries



11. Html-Content - Entries

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


12. Nameserver - IP-Adresses (alpha)

Required Root-climbing DNS-Queries to find ip addresses of all Name Servers:

No NameServer - IP address informations found. The feature is new (2020-05-07), so recheck this domain.


13. CAA - Entries

DomainnameflagNameValue∑ Queries∑ Timeout
bsgcars.com.ng
0

no CAA entry found
1
0
com.ng
0

no CAA entry found
1
0
ng
0

no CAA entry found
1
0


14. TXT - Entries

DomainnameTXT EntryStatus∑ Queries∑ Timeout
bsgcars.com.ng
ca3-3d511d1229484d9db34bbf2011db24f0
ok
1
0
bsgcars.com.ng
google-site-verification=iKjGEDnfcmQIg5U12TxdiGIkrBEXW56jgae-96rOqHI
ok
1
0
_acme-challenge.bsgcars.com.ng

Name Error - The domain name does not exist
1
0
_acme-challenge.bsgcars.com.ng.bsgcars.com.ng

Name Error - The domain name does not exist
1
0


15. Portchecks

No Port checks



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Last Result: https://check-your-website.server-daten.de/?q=bsgcars.com.ng - 2020-04-28 12:02:25


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