doerner.dk

📜 Historical scan 2026-06-27 07:25:18 · ← 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 42ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.domaindiscount24.net	193.227.117.34 2a04:2b00:14cc::34	ns1.domaindiscount24.net ns1.monikerdns.net	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns2.domaindiscount24.net	194.50.187.34 2a04:2b00:14dd::34	ns2.domaindiscount24.net ns34.j.centralnic-dns.com	AS207021 ipcom GmbH AS1921 ipcom GmbH
ns3.domaindiscount24.net	194.0.182.34 2a04:2b00:14ee::34	ns3.domaindiscount24.net ns34.k.centralnic-dns.com	AS1921 ipcom GmbH AS1921 ipcom GmbH

🌍 A Records#

2 records 54ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.22.145.121	600s	relay.mail-forwarder.io	AS16509	Amazon.com, Inc.	5.22.145.0/24	🇩🇪 Germany	—
5.22.145.16	600s	relay.mail-forwarder.io	AS16509	Amazon.com, Inc.	5.22.145.0/24	🇩🇪 Germany	—

📧 MX Records#

1 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	28800s	mail.doerner.de	5.7.248.130	—	AS6805 Telefonica Germany

🔷 AAAA Records (IPv6)#

2 records 39ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a00:18e0:5:2:7577:4e4d:413b:f507	600s	relay.mail-forwarder.io	AS16509	Amazon.com, Inc.	2a00:18e0:5:0:0:0:0:0/48	🇩🇪 Germany	—
2a00:18e0:5:3:dfe2:c743:85aa:61bc	600s	relay.mail-forwarder.io	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#

81ms

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

🏷️ SOA#

64ms

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 (102d)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

54ms

55ms

AAAA

39ms

TXT

259ms

CAA

37ms

HTTPS

57ms

TLSA

167ms

SOA

64ms

MTA-STS

62ms

DNSSEC

81ms

SRV

73ms

Total

976ms

🕐 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 shown	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	701ms	3 NS 2 A 1 MX	🔓 Insecure