opera-opera.dk

Records from scan: 2026-10-18 11:59:47  ·  2878ms total  ·  last checked 2026-10-23 10:39 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

opera-opera.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 10 September 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 opera-opera.dk. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   462ms
NameserverIP addressesPTRASN / 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   73ms
IPTTLPTRASNISP / OrgCIDRCountryCity
91.226.145.85 600s — AS216275 Netnoerden ApS 91.226.144.0/23 🇩🇰 Denmark Copenhagen

📧 MX Records#

1 records   103ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s opera-opera.dk 91.226.145.85 — AS216275 Netnoerden ApS

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoveropera-opera.dk → 91.226.145.85
🔶 Autoconfigopera-opera.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#

📝
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#

checked 2026-10-18 11:59:47
www91.226.145.85 (AS216275) (address records, no CNAME)
www vs bare domainSame network
opera-opera.dk: 91.226.145.85 (AS216275)
www.opera-opera.dk: 91.226.145.85 (AS216275)
WildcardYes: any name under the zone resolves
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.opera-opera.dk opera-opera.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

549ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

65ms
FieldValue
Serial2026101701
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-18 12:37:46
FieldValue
RegistrarONE.COM A/S
Registered2007-09-10
Expires2027-09-30 (341d)

🔗 Same registrant#

9 domains

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).

DomainRegistrar
blinkyblinky.dkONE.COM A/S
globe-sat.dkONE.COM A/S
lejtrappelift.dkONE.COM A/S
lyddæmpning.dkPunktum dk A/S (direct)
lyscenter.dkONE.COM A/S
man-tge-forbrug.dkONE.COM A/S
pejse-indsats.dkONE.COM A/S
skorstensnet.dkONE.COM A/S
udendørstrappe.dkONE.COM A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
462ms
A
73ms
MX
103ms
AAAA
449ms
TXT
682ms
CAA
448ms
HTTPS
465ms
TLSA
1403ms
SOA
65ms
MTA-STS
488ms
DNSSEC
549ms
SRV
489ms
Total
2878ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-18 11:59:47 shown 2878ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-12 17:38:28 402ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-30 03:46:39 2520ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-24 13:07:05 558ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-24 06:28:01 1887ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-26 20:26:28 592ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-26 01:39:11 4639ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-17 23:29:14 771ms 2 NS 1 A 1 MX 🔒 Secure
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