dudek.dk DNS records

🖥️ Nameservers3 records 52ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records1 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
141.147.0.77	600s	—	AS31898	Oracle Corporation	141.147.0.0/17	🇩🇪 Germany	Frankfurt am Main

📧 MX Records5 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	172.253.152.26 2a00:1450:4010:c1c::1b	yulpptr-in-f26.1e100.net la-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	dudek.dk → 141.147.0.77
🔶 Autoconfig	dudek.dk → 141.147.0.77

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 136ms

TXT Record
google-site-verification=tO8K1_ZGHWdcTesYh7YBm6fvqAprqvCNSHWTHCL8yJc
v=spf1 include:_spf.google.com include:spf.simply.com -all

✉️ SPF

Policy	Record (dudek.dk)
-all (hard fail)	v=spf1 include:_spf.google.com include:spf.simply.com -all

📨 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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.dudek.dk	dudek.dk

🔗 TLSA / DANE

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

🔐 DNSSEC82ms

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

🏷️ SOA0ms

Field	Value
Serial	2026021800
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

52ms

A

43ms

MX

41ms

AAAA

49ms

TXT

136ms

CAA

44ms

HTTPS

51ms

TLSA

76ms

SOA

0ms

MTA-STS

51ms

DNSSEC

82ms

SRV

60ms

Total

734ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 21:55:49	734ms	3 NS 1 A 5 MX	🔓 Insecure	View
2026-06-23 22:09:12	831ms	3 NS 1 A 5 MX	🔓 Insecure	View
2026-06-22 11:45:51	918ms	3 NS 1 A 5 MX	🔓 Insecure	View
2026-06-19 15:47:23	3319ms	3 NS 1 A 5 MX	🔓 Insecure	View
2026-06-17 04:55:27	614ms	3 NS 1 A 5 MX	🔓 Insecure	View