oer.dk

📜 Historical scan 2026-06-17 12:09:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

oer.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 18 May 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.184 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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 37ms

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 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.184	—	webcluster57.webpod11-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records#

5 records 26ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	aspmx.l.google.com	2a00:1450:4010:c0d::1a 2a00:1450:4010:c0d::1a 64.233.162.26	lq-in-x1a.1e100.net lq-in-f26.1e100.net li-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
20	—	alt1.aspmx.l.google.com	172.253.158.27 2404:6800:4000:1025::1a	so-in-f27.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	—	alt2.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1a	tp-in-f27.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	—	aspmx2.googlemail.com	192.178.213.26 2404:6800:4003:c26::1b	yugrqzs-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	—	aspmx3.googlemail.com	172.253.158.26 2404:6800:4008:c01::1b	so-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

1 records 36ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:102:80c1:aa94:d543:32e5	—	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-07 18:33:33

www	Exists, no address
www vs bare domain	Same network oer.dk: 77.111.240.184 2a02:2350:5:102:80c1:aa94:d543:32e5 (AS51468) www.oer.dk: 2a02:2350:5:102:80c1:aa94:d543:32e5 (AS51468)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

65ms

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

🏷️ SOA#

124ms

Field	Value
Serial	2026051705
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 2026-10-11 17:20:31

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-05-18
Expires	2027-06-30 (255d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
half.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

37ms

26ms

AAAA

36ms

TXT

158ms

CAA

73ms

HTTPS

106ms

TLSA

66ms

SOA

124ms

MTA-STS

58ms

DNSSEC

65ms

SRV

0ms

Total

764ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-24 15:46:23	912ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-15 05:40:30	1002ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-18 14:58:36	1369ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-16 09:31:28	1739ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-22 23:58:19	3448ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-22 06:48:04	1182ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 21:59:29	628ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-17 12:09:20 shown	764ms	2 NS 1 A 5 MX	🔒 Secure