12aarhus.dk

📜 Historical scan 2026-09-24 12:42:41 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

12aarhus.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 1 February 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.102.88.132 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by smtp.google.com. 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 46ms

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#

1 records 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.102.88.132	3600s	—	AS47292	Sentia Denmark A/S	91.102.88.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	smtp.google.com	2a00:1450:4010:c02::1a 2a00:1450:4010:c02::1a 2a00:1450:4010:c02::1b 2a00:1450:4010:c02::1b 2a00:1450:4010:c07::1a 2a00:1450:4010:c07::1a 2a00:1450:4010:c07::1b 2a00:1450:4010:c07::1b 64.233.164.26 64.233.164.27 64.233.165.26 74.125.205.26 74.125.205.27	le-in-f26.1e100.net le-in-x1a.1e100.net le-in-x1b.1e100.net le-in-f27.1e100.net lf-in-f26.1e100.net lf-in-x1a.1e100.net lf-in-f27.1e100.net lf-in-x1b.1e100.net lf-in-f26.1e100.net lf-in-f27.1e100.net lg-in-f26.1e100.net le-in-f26.1e100.net le-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	12aarhus.dk → 91.102.88.132
🔶 Autoconfig	12aarhus.dk → 91.102.88.132

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 175ms

TXT Record
google-site-verification=_FvXLmNPeVHdLwv78gTXoRz1ZxbVaKTaWY1vWP-xmlY
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (12aarhus.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.12aarhus.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:postmaster@12aarhus.dk, mailto:dmarc@12aarhus.dk; 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-13 22:50:47

www	91.102.88.132 (AS47292) (address records, no CNAME)
www vs bare domain	Same network 12aarhus.dk: 91.102.88.132 (AS47292) www.12aarhus.dk: 91.102.88.132 (AS47292)
Wildcard	Yes: any name under the zone resolves
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

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.12aarhus.dk	12aarhus.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

66ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026091101
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 2026-10-10 03:10:35

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2002-02-01
Expires	2027-03-31 (165d)

📋 WHOIS#

⏱️ Lookup Timing#

46ms

35ms

AAAA

30ms

TXT

175ms

CAA

37ms

HTTPS

43ms

TLSA

102ms

SOA

0ms

MTA-STS

61ms

DNSSEC

66ms

SRV

57ms

Total

2704ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 22:50:47	1560ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 07:53:50	4749ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 12:42:41 shown	2704ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-11 21:32:31	819ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 16:54:13	873ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-13 01:50:55	3532ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-13 14:47:30	1254ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 23:59:40	771ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 00:52:06	806ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 12:40:25	5258ms	2 NS 1 A 1 MX	🔒 Secure