creutz.dk

📜 Historical scan 2026-09-12 03:38:17 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

creutz.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 22 October 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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#

2 records 48ms

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 Records#

5 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	173.194.220.27 2a00:1450:4010:c07::1a 2a00:1450:4010:c07::1a	lk-in-f27.1e100.net lf-in-f26.1e100.net lf-in-x1a.1e100.net	AS15169 Google LLC 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::1a	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 141ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-12 17:57:38

www	NXDOMAIN
www vs bare domain	Neither resolves creutz.dk: no address www.creutz.dk: no address
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

error 2 SPF records: receivers must treat that as a permanent error (RFC 7208 §4.5)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

130ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026091001
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-07 02:40:32

Field	Value
Registrar	ONE.COM A/S
Registered	1997-10-22
Expires	2035-12-31 (3355d)

📋 WHOIS#

⏱️ Lookup Timing#

48ms

38ms

44ms

AAAA

51ms

TXT

141ms

CAA

46ms

HTTPS

44ms

TLSA

69ms

SOA

0ms

MTA-STS

58ms

DNSSEC

130ms

SRV

55ms

Total

754ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 17:57:38	704ms	2 NS 0 A 5 MX	🔒 Secure
2026-09-12 03:38:17 shown	754ms	2 NS 0 A 5 MX	🔒 Secure
2026-08-13 15:11:01	9997ms	2 NS 0 A 5 MX	🔒 Secure
2026-08-12 00:58:48	1037ms	2 NS 0 A 5 MX	🔒 Secure
2026-07-18 03:04:40	1287ms	2 NS 0 A 5 MX	🔒 Secure
2026-07-14 05:50:37	6993ms	2 NS 0 A 5 MX	🔒 Secure
2026-07-11 17:17:53	1003ms	2 NS 0 A 5 MX	🔒 Secure
2026-06-26 02:14:43	1805ms	2 NS 0 A 5 MX	🔒 Secure
2026-06-20 04:16:36	1538ms	2 NS 0 A 5 MX	🔒 Secure
2026-06-20 00:03:54	584ms	2 NS 0 A 5 MX	🔒 Secure
2026-06-16 22:55:10	538ms	2 NS 0 A 5 MX	🔒 Secure