operaunderholdning.dk

📜 Historical scan 2026-10-04 18:41:38 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

operaunderholdning.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 18 August 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.226.145.85 is hosted by Netnoerden ApS (AS216275) in Denmark. Mail is handled by operaunderholdning.dk. 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 32ms

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 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.226.145.85	600s	—	AS216275	Netnoerden ApS	91.226.144.0/23	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	operaunderholdning.dk	91.226.145.85	—	AS216275 Netnoerden ApS

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	operaunderholdning.dk → 91.226.145.85
🔶 Autoconfig	operaunderholdning.dk → 91.226.145.85

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 165ms

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

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.operaunderholdning.dk)
p=reject	v=DMARC1; p=reject

📬 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 2026-10-11 02:46:36

www	91.226.145.85 (AS216275) (address records, no CNAME)
www vs bare domain	Same network operaunderholdning.dk: 91.226.145.85 (AS216275) www.operaunderholdning.dk: 91.226.145.85 (AS216275)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

86ms

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

🏷️ SOA#

31ms

Field	Value
Serial	2026100301
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 2026-10-14 12:34:16

Field	Value
Registrar	ONE.COM A/S
Registered	2007-08-18
Expires	2027-08-31 (311d)

🔗 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
operaopera.dk	ONE.COM A/S

📋 WHOIS#

⏱️ Lookup Timing#

32ms

31ms

AAAA

41ms

TXT

165ms

CAA

36ms

HTTPS

53ms

TLSA

1196ms

SOA

31ms

MTA-STS

58ms

DNSSEC

86ms

SRV

69ms

Total

1606ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 02:46:36	3052ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-04 18:41:38 shown	1606ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 18:08:58	4495ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 15:28:11	2441ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-19 23:18:36	2587ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-04 13:29:17	2267ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 11:06:13	1815ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-12 05:03:36	3743ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 12:02:43	1051ms	2 NS 1 A 1 MX	🔒 Secure