guldner.dk DNS records

🖥️ Nameservers2 records 96ms

Nameserver	IP addresses	PTR	ASN / ISP
ns3.nordicway.dk	2a01:4f8:c2c:d3c0::1 78.47.45.64	ns3.nordicway.dk ns3.nordicway.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns4.nordicway.dk	2a01:4f8:c010:24a2::1 78.47.56.84	ns4.nordicway.dk ns4.nordicway.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records1 records 68ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
49.12.171.172	3600s	cp12.nordicway.dk	AS24940	Hetzner Online GmbH	49.12.0.0/15	🇩🇪 Germany	Falkenstein

📧 MX Records2 records 64ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.simplelogin.co	176.119.200.136 176.119.200.136 185.205.70.136 185.205.70.136	mx2.simplelogin.co mx1.simplelogin.co mx1.simplelogin.co mx2.simplelogin.co	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
20	3600s	mx2.simplelogin.co	176.119.200.136 176.119.200.136 185.205.70.136 185.205.70.136	mx2.simplelogin.co mx1.simplelogin.co mx1.simplelogin.co mx2.simplelogin.co	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 346ms

TXT Record
v=spf1 +ip4:49.12.171.172 +include:simplelogin.co ~all

✉️ SPF

Policy	Record (guldner.dk)
~all (soft fail)	v=spf1 +ip4:49.12.171.172 +include:simplelogin.co ~all

📨 DMARC

Policy	Record (_dmarc.guldner.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100; adkim=s; aspf=s

📬 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.guldner.dk	zGz0gwgeQ_MD_jFKpeJcqniuLDkwuUtE2mb8fDGIwvQ

🔗 TLSA / DANE6 records 94ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.simplelogin.co	DANE-TA · SPKI · SHA-256	E5545E211347241891C554A03934CDE9…
SMTP _25._tcp.mx1.simplelogin.co	DANE-EE · SPKI · SHA-256	6B56DC55058100C47BEF4BB8020D2A24…
SMTP _25._tcp.mx1.simplelogin.co	DANE-TA · SPKI · SHA-256	8D02536C887482BC34FF54E41D2BA659…
SMTP _25._tcp.mx2.simplelogin.co	DANE-EE · SPKI · SHA-256	6B56DC55058100C47BEF4BB8020D2A24…
SMTP _25._tcp.mx2.simplelogin.co	DANE-TA · SPKI · SHA-256	8D02536C887482BC34FF54E41D2BA659…
SMTP _25._tcp.mx2.simplelogin.co	DANE-TA · SPKI · SHA-256	E5545E211347241891C554A03934CDE9…

🔐 DNSSEC106ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2026072600
Primary NS (MNAME)	ns3.nordicway.dk
Responsible (RNAME)	server@nordicway.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

96ms

A

68ms

MX

64ms

AAAA

91ms

TXT

346ms

CAA

79ms

HTTPS

87ms

TLSA

94ms

SOA

0ms

MTA-STS

94ms

DNSSEC

106ms

SRV

107ms

Total

1140ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 06:21:30	1140ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-27 02:59:50	9036ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-22 23:47:50	1459ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-20 11:03:55	2416ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-17 10:43:54	1138ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-17 10:38:20	1146ms	2 NS 1 A 2 MX	🔒 Secure	View