oer.dk

📜 Historical scan 2026-07-18 14:58:36 · ← 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 30ms

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 65ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.184	3600s	webcluster57.webpod11-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records#

5 records 68ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	21600s	aspmx.l.google.com	142.250.147.26 2a00:1450:4025:c03::1a	rd-in-f26.1e100.net rc-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	21600s	alt1.aspmx.l.google.com	192.178.211.27 2404:6800:4000:1025::1a	lcbomp-in-f27.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	21600s	alt2.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
30	21600s	aspmx2.googlemail.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	21600s	aspmx3.googlemail.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	oer.dk → 77.111.240.184
🔶 Autoconfig	oer.dk → 77.111.240.184

🔷 AAAA Records (IPv6)#

1 records 62ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:102:80c1:aa94:d543:32e5	3600s	—	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#

176ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026071605
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#

30ms

65ms

68ms

AAAA

62ms

TXT

360ms

CAA

56ms

HTTPS

69ms

TLSA

79ms

SOA

0ms

MTA-STS

82ms

DNSSEC

176ms

SRV

112ms

Total

1369ms

🕐 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 shown	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	764ms	2 NS 1 A 5 MX	🔒 Secure