creutz.dk DNS records

🖥️ Nameservers2 records 41ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records

🌍

No A records found

📧 MX Records5 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	600s	aspmx.l.google.com	142.250.147.27 2a00:1450:4025:c01::1b	rd-in-f27.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	600s	alt1.aspmx.l.google.com	192.178.211.27 2404:6800:4000:1025::1b	lcbomp-in-f27.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	600s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	600s	alt3.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	600s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 198ms

TXT Record
v=spf1 include:_custspf.one.com ~all
v=spf1 include:_spf.google.com ~all

✉️ SPF

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (creutz.dk)
~all (soft fail)	v=spf1 include:_custspf.one.com ~all
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC

Policy	Record (_dmarc.creutz.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:mads@creutz.dk

📬 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

🔗 TLSA / DANE

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

🔐 DNSSEC135ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2026081203
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

41ms

A

39ms

MX

42ms

AAAA

35ms

TXT

198ms

CAA

36ms

HTTPS

49ms

TLSA

108ms

SOA

0ms

MTA-STS

101ms

DNSSEC

135ms

SRV

8127ms

Total

9997ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-13 15:11:01	9997ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-08-12 00:58:48	1037ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-07-18 03:04:40	1287ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-07-14 05:50:37	6993ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-07-11 17:17:53	1003ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-06-26 02:14:43	1805ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-06-20 04:16:36	1538ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-06-20 00:03:54	584ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-06-16 22:55:10	538ms	2 NS 0 A 5 MX	🔒 Secure	View