doerner.dk

📜 Historical scan 2026-06-17 04:01:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

doerner.dk is a .dk domain served by 3 nameservers (ns1.domaindiscount24.net, ns2.domaindiscount24.net, ns3.domaindiscount24.net). It was registered on 2 January 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.22.145.121 is hosted by Amazon.com, Inc. (AS16509) in Germany. Mail is handled by mail.doerner.de. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 68ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.domaindiscount24.net	—	—	—
ns2.domaindiscount24.net	—	—	—
ns3.domaindiscount24.net	—	—	—

🌍 A Records#

2 records 53ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.22.145.121	—	relay.mail-forwarder.io	AS16509	Amazon.com, Inc.	5.22.145.0/24	🇩🇪 Germany	—
5.22.145.16	—	relay.mail-forwarder.io	AS16509	Amazon.com, Inc.	5.22.145.0/24	🇩🇪 Germany	—

📧 MX Records#

1 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mail.doerner.de	5.7.248.130	—	AS6805 Telefonica Germany

🔷 AAAA Records (IPv6)#

2 records 68ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a00:18e0:5:2:7577:4e4d:413b:f507	—	—	AS16509	Amazon.com, Inc.	2a00:18e0:5:0:0:0:0:0/48	🇩🇪 Germany	—
2a00:18e0:5:3:dfe2:c743:85aa:61bc	—	—	AS16509	Amazon.com, Inc.	2a00:18e0:5:0:0:0:0:0/48	🇩🇪 Germany	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-14 01:58:15

www	5.22.145.121 5.22.145.16 2a00:18e0:5:2:7577:4e4d:413b:f507 2a00:18e0:5:3:dfe2:c743:85aa:61bc (AS16509) (address records, no CNAME)
www vs bare domain	Same network doerner.dk: 5.22.145.121 5.22.145.16 2a00:18e0:5:2:7577:4e4d:413b:f507 2a00:18e0:5:3:dfe2:c743:85aa:61bc (AS16509) www.doerner.dk: 5.22.145.121 5.22.145.16 2a00:18e0:5:2:7577:4e4d:413b:f507 2a00:18e0:5:3:dfe2:c743:85aa:61bc (AS16509)
Wildcard	No

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

144ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

67ms

Field	Value
Serial	2021102700
Primary NS (MNAME)	ns1.domaindiscount24.net
Responsible (RNAME)	tech@key-systems.net
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	28800s

📋 Registration#

WHOIS fetched 2026-10-07 09:46:43

Field	Value
Registrar	Key-Systems GmbH
Registered	2013-01-02
Expires	2027-01-31 (101d)

📋 WHOIS#

⏱️ Lookup Timing#

68ms

53ms

52ms

AAAA

68ms

TXT

212ms

CAA

76ms

HTTPS

51ms

TLSA

124ms

SOA

67ms

MTA-STS

39ms

DNSSEC

144ms

SRV

0ms

Total

701ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-24 10:36:59	747ms	3 NS 2 A 1 MX	🔓 Insecure
2026-09-07 11:24:15	1339ms	3 NS 2 A 1 MX	🔓 Insecure
2026-07-02 11:16:56	2234ms	3 NS 2 A 1 MX	🔓 Insecure
2026-06-27 07:25:18	976ms	3 NS 2 A 1 MX	🔓 Insecure
2026-06-17 04:27:39	17288ms	3 NS 2 A 1 MX	🔓 Insecure
2026-06-17 04:12:59	475ms	3 NS 2 A 1 MX	🔓 Insecure
2026-06-17 04:07:39	1751ms	3 NS 2 A 1 MX	🔓 Insecure
2026-06-17 04:01:07 shown	701ms	3 NS 2 A 1 MX	🔓 Insecure