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Checked:
07.07.2019 23:56:02

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1. IP-Addresses

Host	Type	IP-Address	is auth.	∑ Queries	∑ Timeout
server1.majsoftware.com	CNAME	maleman.duckdns.org	yes	1	0
	A	136.49.250.22 Austin/Texas/United States (US) - Google Fiber Inc. No Hostname found	yes
www.server1.majsoftware.com		Name Error	yes	1	0

2. DNSSEC

Zone (*)	DNSSEC - Informations

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


	• 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 25266, Flags 256


	Public Key with Algorithm 8, KeyTag 59944, Flags 256


	1 RRSIG RR to validate DNSKEY RR found


	RRSIG-Owner (root), Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 22.07.2019, 00:00:00 +, Signature-Inception: 01.07.2019, 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: com
com	1 DS RR in the parent zone found


	1 RRSIG RR to validate DS RR found


	RRSIG-Owner com., Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 20.07.2019, 17:00:00 +, Signature-Inception: 07.07.2019, 16:00:00 +, KeyTag 59944, Signer-Name: (root)


	• Status: Good - Algorithmus 8 and DNSKEY with KeyTag 59944 used to validate the DS RRSet in the parent zone


	2 DNSKEY RR found


	Public Key with Algorithm 8, KeyTag 3800, Flags 256


	Public Key with Algorithm 8, KeyTag 30909, Flags 257 (SEP = Secure Entry Point)


	1 RRSIG RR to validate DNSKEY RR found


	RRSIG-Owner com., Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 16.07.2019, 18:25:33 +, Signature-Inception: 01.07.2019, 18:20:33 +, KeyTag 30909, Signer-Name: com


	• Status: Good - Algorithmus 8 and DNSKEY with KeyTag 30909 used to validate the DNSKEY RRSet


	• Status: Valid Chain of trust. Parent-DS with Algorithm 8, KeyTag 30909, DigestType 2 and Digest "4tPJFvbe6scylOgmj7WIUESoM/xUWViPSpGEz8QaV2Y=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone

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


	DS-Query in the parent zone has a valid NSEC3 RR as result with the hashed query name "l08almr6v6pbr63jm50li7rp29nan9c8" between the hashed NSEC3-owner "l08agjaid34dj9dqa0djofo5jtqngmh1" and the hashed NextOwner "l08aq12kf68c118oi5ima1337ggraoa0". So the parent zone confirmes the not-existence of a DS RR. Bitmap: NS, DS, RRSIG Validated: RRSIG-Owner l08agjaid34dj9dqa0djofo5jtqngmh1.com., Algorithm: 8, 2 Labels, original TTL: 86400 sec, Signature-expiration: 14.07.2019, 10:40:23 +, Signature-Inception: 07.07.2019, 09:30:23 +, KeyTag 3800, Signer-Name: com


	0 DNSKEY RR found




Zone: server1.majsoftware.com
server1.majsoftware.com	0 DS RR in the parent zone found

Zone: www.server1.majsoftware.com
www.server1.majsoftware.com	0 DS RR in the parent zone found

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


	• 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 25266, Flags 256


	Public Key with Algorithm 8, KeyTag 59944, Flags 256


	1 RRSIG RR to validate DNSKEY RR found


	RRSIG-Owner (root), Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 22.07.2019, 00:00:00 +, Signature-Inception: 01.07.2019, 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: org
org	2 DS RR in the parent zone found


	1 RRSIG RR to validate DS RR found


	RRSIG-Owner org., Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 20.07.2019, 17:00:00 +, Signature-Inception: 07.07.2019, 16:00:00 +, KeyTag 59944, Signer-Name: (root)


	• Status: Good - Algorithmus 8 and DNSKEY with KeyTag 59944 used to validate the DS RRSet in the parent zone


	4 DNSKEY RR found


	Public Key with Algorithm 7, KeyTag 9795, Flags 257 (SEP = Secure Entry Point)


	Public Key with Algorithm 7, KeyTag 17883, Flags 257 (SEP = Secure Entry Point)


	Public Key with Algorithm 7, KeyTag 33932, Flags 256


	Public Key with Algorithm 7, KeyTag 50465, Flags 256


	3 RRSIG RR to validate DNSKEY RR found


	RRSIG-Owner org., Algorithm: 7, 1 Labels, original TTL: 900 sec, Signature-expiration: 22.07.2019, 15:27:39 +, Signature-Inception: 01.07.2019, 14:27:39 +, KeyTag 9795, Signer-Name: org


	RRSIG-Owner org., Algorithm: 7, 1 Labels, original TTL: 900 sec, Signature-expiration: 22.07.2019, 15:27:39 +, Signature-Inception: 01.07.2019, 14:27:39 +, KeyTag 17883, Signer-Name: org


	RRSIG-Owner org., Algorithm: 7, 1 Labels, original TTL: 900 sec, Signature-expiration: 22.07.2019, 15:27:39 +, Signature-Inception: 01.07.2019, 14:27:39 +, KeyTag 33932, Signer-Name: org


	• Status: Good - Algorithmus 7 and DNSKEY with KeyTag 9795 used to validate the DNSKEY RRSet


	• Status: Good - Algorithmus 7 and DNSKEY with KeyTag 17883 used to validate the DNSKEY RRSet


	• Status: Good - Algorithmus 7 and DNSKEY with KeyTag 33932 used to validate the DNSKEY RRSet


	• Status: Valid Chain of trust. Parent-DS with Algorithm 7, KeyTag 9795, DigestType 1 and Digest "Nk36s9ryVMq0d7VnWxB2bdqiSYI=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone


	• Status: Valid Chain of trust. Parent-DS with Algorithm 7, KeyTag 9795, DigestType 2 and Digest "OSKzG286TqkrGet7UhIPAx/Y4F/wsDuvz5+JG/5/+OU=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone

Zone: duckdns.org
duckdns.org	0 DS RR in the parent zone found


	DS-Query in the parent zone has a valid NSEC3 RR as result with the hashed query name "mnorhcks4b6fjob5ap1mrs7utmhf26bm" between the hashed NSEC3-owner "mnop0thps3ivf7l35b2lfkaddguo4osc" and the hashed NextOwner "mnp2dj1hms5jrtnccpfeghiob0bnhbfu". So the parent zone confirmes the not-existence of a DS RR. Bitmap: NS, DS, RRSIG Validated: RRSIG-Owner mnop0thps3ivf7l35b2lfkaddguo4osc.org., Algorithm: 7, 2 Labels, original TTL: 86400 sec, Signature-expiration: 22.07.2019, 15:27:39 +, Signature-Inception: 01.07.2019, 14:27:39 +, KeyTag 33932, Signer-Name: org


	0 DNSKEY RR found




Zone: maleman.duckdns.org
maleman.duckdns.org	0 DS RR in the parent zone found


	0 DNSKEY RR found

3. Name Servers

Domain	Nameserver	NS-IP
www.server1.majsoftware.com	• ns1.siteground326.com
majsoftware.com	• ns1.siteground326.com		•
	• ns2.siteground326.com		•
com	• 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		•

maleman.duckdns.org	U ns1.duckdns.org	54.187.92.222 Portland/Oregon/United States (US) - Amazon Technologies Inc.
	U ns2.duckdns.org	54.191.117.119 Portland/Oregon/United States (US) - Amazon Technologies Inc.
	U ns3.duckdns.org	52.26.169.94 Portland/Oregon/United States (US) - Amazon.com, Inc.
duckdns.org	U ns1.duckdns.org
	U ns2.duckdns.org
	U ns3.duckdns.org
org	• a0.org.afilias-nst.info / ns000b.app12.mia2.afilias-nst.info		•
	• a2.org.afilias-nst.info / 2.ber.pch		•
	• b0.org.afilias-nst.org / ns000b.app5.ams2.afilias-nst.info		•
	• b2.org.afilias-nst.org / 5.fra.pch		•
	• c0.org.afilias-nst.info / ns000b.app22.ams2.afilias-nst.info		•
	• d0.org.afilias-nst.org / app7.iad1.hosts.meta.redstone.afilias-nst.info-2		•

4. SOA-Entries

Domain:	com
Zone-Name:
Primary:	a.gtld-servers.net
Mail:	nstld.verisign-grs.com
Serial:	1562536545
Refresh:	1800
Retry:	900
Expire:	604800
TTL:	86400
num Entries:	10

Domain:	com
Zone-Name:
Primary:	a.gtld-servers.net
Mail:	nstld.verisign-grs.com
Serial:	1562536560
Refresh:	1800
Retry:	900
Expire:	604800
TTL:	86400
num Entries:	3

Domain:	majsoftware.com
Zone-Name:
Primary:	ns1.siteground326.com
Mail:	dnsadmin.siteground326.com
Serial:	2019070702
Refresh:	3600
Retry:	900
Expire:	1209600
TTL:	86400
num Entries:	2

Domain:	www.server1.majsoftware.com
Zone-Name:
Primary:
Mail:
Serial:
Refresh:
Retry:
Expire:
TTL:
num Entries:	1


Domain:	org
Zone-Name:
Primary:	a0.org.afilias-nst.info
Mail:	noc.afilias-nst.info
Serial:	2013538673
Refresh:	1800
Retry:	900
Expire:	604800
TTL:	86400
num Entries:	5

Domain:	org
Zone-Name:
Primary:	a0.org.afilias-nst.info
Mail:	noc.afilias-nst.info
Serial:	2013538674
Refresh:	1800
Retry:	900
Expire:	604800
TTL:	86400
num Entries:	1

Domain:	duckdns.org
Zone-Name:
Primary:	ns1.duckdns.org
Mail:	hostmaster.duckdns.org
Serial:	2018280802
Refresh:	6000
Retry:	120
Expire:	2419200
TTL:	600
num Entries:	1

Domain:	duckdns.org
Zone-Name:
Primary:	ns2.duckdns.org
Mail:	hostmaster.duckdns.org
Serial:	2018280802
Refresh:	6000
Retry:	120
Expire:	2419200
TTL:	600
num Entries:	1

Domain:	duckdns.org
Zone-Name:
Primary:	ns3.duckdns.org
Mail:	hostmaster.duckdns.org
Serial:	2018280802
Refresh:	6000
Retry:	120
Expire:	2419200
TTL:	600
num Entries:	1

Domain:	maleman.duckdns.org
Zone-Name:
Primary:	ns1.duckdns.org
Mail:	hostmaster.duckdns.org
Serial:	2018280802
Refresh:	6000
Retry:	120
Expire:	2419200
TTL:	600
num Entries:	1

Domain:	maleman.duckdns.org
Zone-Name:
Primary:	ns2.duckdns.org
Mail:	hostmaster.duckdns.org
Serial:	2018280802
Refresh:	6000
Retry:	120
Expire:	2419200
TTL:	600
num Entries:	1

Domain:	maleman.duckdns.org
Zone-Name:
Primary:	ns3.duckdns.org
Mail:	hostmaster.duckdns.org
Serial:	2018280802
Refresh:	6000
Retry:	120
Expire:	2419200
TTL:	600
num Entries:	1

5. Screenshots

No Screenshot listed, because no screenshot found. Perhaps the check is too old, the feature startet 2019-12-23.

6. Url-Checks

show header:

Domainname	Http-Status	redirect	Sec.	G
• http://server1.majsoftware.com/ 136.49.250.22	301	https://server1.majsoftware.com:443/	0.333	A
Server: nginx
Date: Sun, 07 Jul 2019 21:58:06 GMT
Content-Type: text/html
Content-Length: 178
Connection: close
Location: https://server1.majsoftware.com:443/

• https://server1.majsoftware.com/ 136.49.250.22	302	https://server1.majsoftware.com/nms/login	1.783	A
Server: nginx
Date: Sun, 07 Jul 2019 21:58:07 GMT
Content-Type: text/html
Content-Length: 154
Connection: close
Location: https://server1.majsoftware.com/nms/login
strict-transport-security: max-age=15768000
x-content-type-options: nosniff
x-download-options: noopen
x-xss-protection: 1; mode=block
feature-policy: camera 'none'; microphone 'none'; magnetometer 'none'; gyroscope 'none'; speaker 'none'; payment 'none'
Referrer-Policy: same-origin
Content-Security-Policy: default-src 'self' data: wss: api.github.com .tile.openstreetmap.org .gstatic.com .googleapis.com geocode.arcgis.com sentry.io; style-src 'self' 'unsafe-inline' .googleapis.com;
x-frame-options: deny

• https://server1.majsoftware.com:443/	302	https://server1.majsoftware.com/nms/login	1.364	A
Server: nginx
Date: Sun, 07 Jul 2019 21:58:09 GMT
Content-Type: text/html
Content-Length: 154
Connection: close
Location: https://server1.majsoftware.com/nms/login
strict-transport-security: max-age=15768000
x-content-type-options: nosniff
x-download-options: noopen
x-xss-protection: 1; mode=block
feature-policy: camera 'none'; microphone 'none'; magnetometer 'none'; gyroscope 'none'; speaker 'none'; payment 'none'
Referrer-Policy: same-origin
Content-Security-Policy: default-src 'self' data: wss: api.github.com .tile.openstreetmap.org .gstatic.com .googleapis.com geocode.arcgis.com sentry.io; style-src 'self' 'unsafe-inline' .googleapis.com;
x-frame-options: deny

• https://server1.majsoftware.com/nms/login	200		1.386	A
Server: nginx
Date: Sun, 07 Jul 2019 21:58:11 GMT
Content-Type: text/html; charset=utf-8
Content-Length: 6471
Connection: close
vary: origin,accept-encoding
cache-control: no-cache
accept-ranges: bytes
strict-transport-security: max-age=15768000
x-content-type-options: nosniff
x-download-options: noopen
x-xss-protection: 1; mode=block
feature-policy: camera 'none'; microphone 'none'; magnetometer 'none'; gyroscope 'none'; speaker 'none'; payment 'none'
Referrer-Policy: same-origin
Content-Security-Policy: default-src 'self' data: wss: api.github.com .tile.openstreetmap.org .gstatic.com .googleapis.com geocode.arcgis.com sentry.io; style-src 'self' 'unsafe-inline' .googleapis.com;
x-frame-options: deny

• http://server1.majsoftware.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 136.49.250.22	404		0.334	A
Not Found
Visible Content:
Server: nginx
Date: Sun, 07 Jul 2019 21:58:09 GMT
Content-Type: text/html
Content-Length: 162
Connection: close

7. Comments

	1. General Results, most used to calculate the result
A	name "server1.majsoftware.com" is subdomain, public suffix is "com", top-level-domain-type is "generic", tld-manager is "VeriSign Global Registry Services"
A	Good: All ip addresses are public addresses
A	Good: No asked Authoritative Name Server had a timeout
A	DNS: "Name Error" means: No www-dns-entry defined. This isn't a problem
A	https://server1.majsoftware.com:443/	302	https://server1.majsoftware.com/nms/login	Correct redirect https to https
A	https://server1.majsoftware.com/ 136.49.250.22	302	https://server1.majsoftware.com/nms/login	Correct redirect https to https
A	Good: destination is https
A	Good - only one version with Http-Status 200
A	Good: one preferred version: non-www is preferred
A	Good: every https has a Strict Transport Security Header
A	Good: Some urls with http status 200/404 have a complete Content-Type header (MediaType / MediaSubType + correct charset):1 complete Content-Type - header (2 urls)
	http://server1.majsoftware.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 136.49.250.22			Url with incomplete Content-Type - header - missing charset
B	Warning: HSTS max-age is too short - minimum 31536000 = 365 days required, 15768000 seconds = 182 days found
X	Fatal error: Nameserver doesn't support TCP connection: ns1.duckdns.org: Fatal error - no NameServer IP-Address or connection. Details: One or more errors occurred. - No connection could be made because the target machine actively refused it 54.187.92.222:53
X	Fatal error: Nameserver doesn't support TCP connection: ns1.duckdns.org / 54.187.92.222: Fatal error - no NameServer IP-Address or connection. Details: One or more errors occurred. - No connection could be made because the target machine actively refused it 54.187.92.222:53
X	Fatal error: Nameserver doesn't support TCP connection: ns2.duckdns.org: Fatal error - no NameServer IP-Address or connection. Details: One or more errors occurred. - No connection could be made because the target machine actively refused it 54.191.117.119:53
X	Fatal error: Nameserver doesn't support TCP connection: ns2.duckdns.org / 54.191.117.119: Fatal error - no NameServer IP-Address or connection. Details: One or more errors occurred. - No connection could be made because the target machine actively refused it 54.191.117.119:53
X	Fatal error: Nameserver doesn't support TCP connection: ns3.duckdns.org: Fatal error - no NameServer IP-Address or connection. Details: One or more errors occurred. - No connection could be made because the target machine actively refused it 52.26.169.94:53
X	Fatal error: Nameserver doesn't support TCP connection: ns3.duckdns.org / 52.26.169.94: Fatal error - no NameServer IP-Address or connection. Details: One or more errors occurred. - No connection could be made because the target machine actively refused it 52.26.169.94:53
	2. Header-Checks
	3. DNS- and NameServer - Checks
A	Good: Nameserver supports TCP connections: 2 good Nameserver
A	Good: Nameserver supports Echo Capitalization: 2 good Nameserver
A	Good: Nameserver supports EDNS with max. 512 Byte Udp payload, message is smaller: 2 good Nameserver
A	Good: Nameserver has passed 10 EDNS-Checks (OP100, FLAGS, V1, V1OP100, V1FLAGS, DNSSEC, V1DNSSEC, NSID, COOKIE, CLIENTSUBNET): 2 good Nameserver
	Nameserver doesn't pass all EDNS-Checks: ns1.duckdns.org: OP100: ok. FLAGS: ok. V1: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. V1OP100: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found, no OPT100 expected, no OPT100 found. V1FLAGS: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. DNSSEC: ok. V1DNSSEC: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. NSID: ok. COOKIE: ok. CLIENTSUBNET: ok.
	Nameserver doesn't pass all EDNS-Checks: ns1.duckdns.org / 54.187.92.222: OP100: ok. FLAGS: ok. V1: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. V1OP100: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found, no OPT100 expected, no OPT100 found. V1FLAGS: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. DNSSEC: ok. V1DNSSEC: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. NSID: ok. COOKIE: ok. CLIENTSUBNET: ok.
	Nameserver doesn't pass all EDNS-Checks: ns1.siteground326.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: ns2.duckdns.org: OP100: ok. FLAGS: ok. V1: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. V1OP100: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found, no OPT100 expected, no OPT100 found. V1FLAGS: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. DNSSEC: ok. V1DNSSEC: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. NSID: ok. COOKIE: ok. CLIENTSUBNET: ok.
	Nameserver doesn't pass all EDNS-Checks: ns2.duckdns.org / 54.191.117.119: OP100: ok. FLAGS: ok. V1: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. V1OP100: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found, no OPT100 expected, no OPT100 found. V1FLAGS: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. DNSSEC: ok. V1DNSSEC: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. NSID: ok. COOKIE: ok. CLIENTSUBNET: ok.
	Nameserver doesn't pass all EDNS-Checks: ns3.duckdns.org: OP100: ok. FLAGS: ok. V1: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. V1OP100: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found, no OPT100 expected, no OPT100 found. V1FLAGS: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. DNSSEC: ok. V1DNSSEC: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. NSID: ok. COOKIE: ok. CLIENTSUBNET: ok.
	Nameserver doesn't pass all EDNS-Checks: ns3.duckdns.org / 52.26.169.94: OP100: ok. FLAGS: ok. V1: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. V1OP100: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found, no OPT100 expected, no OPT100 found. V1FLAGS: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. DNSSEC: ok. V1DNSSEC: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. NSID: ok. COOKIE: ok. CLIENTSUBNET: ok.
A	Good: 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
A	Good: 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.
A	Good: 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
A	Duration: 157143 milliseconds, 157.143 seconds

8. Connections

Domain

Port

Cert.

Protocol

KeyExchange

Strength

Cipher

Strength

HashAlgorithm

OCSP stapling

Domain/KeyExchange

IP/Strength

Port/Cipher

Cert./Strength

Protocol/HashAlgorithm

OCSP stapling

server1.majsoftware.com

443

Tls12

ECDH Ephermal

256

Aes256

256

Sha384

error checking OCSP stapling

server1.majsoftware.com

443

Tls12

ECDH Ephermal

256

Aes256

256

Sha384

error checking OCSP stapling

no Tls.1.2
no Tls.1.1
no Tls.1.0

Chain - incomplete	1	CN=server1.majsoftware.com
	2	CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US

server1.majsoftware.com

136.49.250.22

443

Tls12

ECDH Ephermal

256

Aes256

256

Sha384

error checking OCSP stapling

server1.majsoftware.com

136.49.250.22

443

Tls12

ECDH Ephermal

256

Aes256

256

Sha384

error checking OCSP stapling

no Tls.1.2
no Tls.1.1
no Tls.1.0

Chain - incomplete	1	CN=server1.majsoftware.com
	2	CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US

9. Certificates

CN=server1.majsoftware.com

07.07.2019

05.10.2019
2055 days expired

server1.majsoftware.com - 1 entry

CN=server1.majsoftware.com

07.07.2019

05.10.2019
2055 days expired

server1.majsoftware.com - 1 entry

Keyalgorithm	RSA encryption (2048 bit)
Signatur:	SHA256 With RSA-Encryption
Serial Number:	04389551D5FDBB47EE8787601092B92242BB
Thumbprint:	BA921D2BC3E4AF36C50EB10DC86AF7E575C13CD3
SHA256 / Certificate:	uS4kRvYieN1Ph8jikqe/kpf5iaVKXlz/KXcUn4LAHLM=
SHA256 hex / Cert (DANE * 0 1):	e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):	2240637e172bc71c2fc928e7f92cd2d3c7aa69a59fe44c3ceeb8f77e9ae17277
SHA256 hex / Subject Public Key Information (SPKI):	2240637e172bc71c2fc928e7f92cd2d3c7aa69a59fe44c3ceeb8f77e9ae17277
SPKI checked via https://v1.pwnedkeys.com/spki-hash:	Good: Key isn't compromised
OCSP - Url:	http://ocsp.int-x3.letsencrypt.org
OCSP - must staple:	no
Certificate Transparency:	yes
Enhanced Key Usage:	Server Authentication (1.3.6.1.5.5.7.3.1), Client Authentication (1.3.6.1.5.5.7.3.2)

CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US

17.03.2016

17.03.2021
1526 days expired

CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US

17.03.2016

17.03.2021
1526 days expired

Keyalgorithm	RSA encryption (2048 bit)
Signatur:	SHA256 With RSA-Encryption
Serial Number:	0A0141420000015385736A0B85ECA708
Thumbprint:	E6A3B45B062D509B3382282D196EFE97D5956CCB
SHA256 / Certificate:	JYR9Zo608E/dQLErawdAxWfafQJDCOtsLJb+QdneIY0=
SHA256 hex / Cert (DANE * 0 1):	25847d668eb4f04fdd40b12b6b0740c567da7d024308eb6c2c96fe41d9de218d
SHA256 hex / PublicKey (DANE * 1 1):	60b87575447dcba2a36b7d11ac09fb24a9db406fee12d2cc90180517616e8a18
SHA256 hex / Subject Public Key Information (SPKI):	60b87575447dcba2a36b7d11ac09fb24a9db406fee12d2cc90180517616e8a18
SPKI checked via https://v1.pwnedkeys.com/spki-hash:	Good: Key isn't compromised
OCSP - Url:	http://isrg.trustid.ocsp.identrust.com
OCSP - must staple:	no
Certificate Transparency:	no
Enhanced Key Usage:

CN=DST Root CA X3, O=Digital Signature Trust Co.

30.09.2000

30.09.2021
1329 days expired

CN=DST Root CA X3, O=Digital Signature Trust Co.

30.09.2000

30.09.2021
1329 days expired

Keyalgorithm	RSA encryption (2048 bit)
Signatur:	SHA-1 with RSA Encryption
Serial Number:	44AFB080D6A327BA893039862EF8406B
Thumbprint:	DAC9024F54D8F6DF94935FB1732638CA6AD77C13
SHA256 / Certificate:	BocmAzGnJAPZCfEF5pvPDTLhvSST/8bZIG0RvNZ3Bzk=
SHA256 hex / Cert (DANE * 0 1):	0687260331a72403d909f105e69bcf0d32e1bd2493ffc6d9206d11bcd6770739
SHA256 hex / PublicKey (DANE * 1 1):	563b3caf8cfef34c2335caf560a7a95906e8488462eb75ac59784830df9e5b2b
SHA256 hex / Subject Public Key Information (SPKI):	563b3caf8cfef34c2335caf560a7a95906e8488462eb75ac59784830df9e5b2b
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)

Small Code Update - wait one minute

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

Summary

No data found or small Code-update

Details (currently limited to 500 rows - some problems with spam users)

Small Code Update - wait one minute

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

Small Code update, wait one minute

13. Nameserver - IP-Adresses

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.

14. CAA - Entries

Domainname	flag	Value	∑ Queries
server1.majsoftware.com			1
maleman.duckdns.org			1
majsoftware.com	0	no CAA entry found	1
duckdns.org	0	no CAA entry found	1
com	0	no CAA entry found	1
org	0	no CAA entry found	1

15. TXT - Entries

Domainname	TXT Entry	Status	∑ Queries
duckdns.org		ok	1
majsoftware.com	v=spf1 +a +mx +a:ns1.siteground326.com include:_spf.mailspamprotection.com ~all	ok	1
maleman.duckdns.org		ok	1
server1.majsoftware.com			1
_acme-challenge.maleman.duckdns.org		missing entry or wrong length	1
_acme-challenge.server1.majsoftware.com		Name Error - The domain name does not exist	1
_acme-challenge.maleman.duckdns.org.duckdns.org		perhaps wrong	1
_acme-challenge.maleman.duckdns.org.maleman.duckdns.org		perhaps wrong	1
_acme-challenge.server1.majsoftware.com.majsoftware.com		perhaps wrong	1
_acme-challenge.server1.majsoftware.com.server1.majsoftware.com		Name Error - The domain name does not exist	1

16. DomainService - Entries

No DomainServiceEntries entries found

17. Cipher Suites

No Ciphers found

18. Portchecks

No Port informations found. The feature is new (startet 2019-07-09), so recheck this domain.

Permalink: https://check-your-website.server-daten.de/?i=5af75502-5d69-4f62-b5c7-0aaa52ce05e0

Last Result: https://check-your-website.server-daten.de/?q=server1.majsoftware.com - 2019-07-07 23:56:02

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

Older results

1. IP-Addresses

2. DNSSEC

3. Name Servers

4. SOA-Entries

5. Screenshots

6. Url-Checks

7. Comments

1. General Results, most used to calculate the result

2. Header-Checks

3. DNS- and NameServer - Checks

4. Content- and Performance-critical Checks

8. Connections

9. Certificates

10. Last Certificates - Certificate Transparency Log Check

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

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

11. Html-Content - Entries

Summary

Details (currently limited to 500 rows - some problems with spam users)

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

13. Nameserver - IP-Adresses

14. CAA - Entries

15. TXT - Entries

16. DomainService - Entries

17. Cipher Suites

18. Portchecks