sigurdsurdej.dk

Records from scan: 2026-10-19 05:02:09  ·  1176ms total  ·  last checked 2026-10-22 20:33 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sigurdsurdej.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 16 January 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.221.196.240 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by sigurdsurdej.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   158ms
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   139ms
IPTTLPTRASNISP / OrgCIDRCountryCity
91.221.196.240 600s — AS51468 One.com A/S 91.221.196.0/23 🇩🇰 Denmark Copenhagen

📧 MX Records#

1 records   150ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s sigurdsurdej.dk 91.221.196.240 — AS51468 One.com A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoversigurdsurdej.dk → 91.221.196.240
🔶 Autoconfigsigurdsurdej.dk → 91.221.196.240

🔷 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 2026-10-19 05:02:09
www CNAMEsigurdsurdej.dk (all on sigurdsurdej.dk)
www vs bare domainSame network
sigurdsurdej.dk: 91.221.196.240 (AS51468)
www.sigurdsurdej.dk: 91.221.196.240 (AS51468)
WildcardYes: any name under the zone resolves
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.sigurdsurdej.dk sigurdsurdej.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

360ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

91ms
FieldValue
Serial2026101901
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-19 05:42:04
FieldValue
RegistrarONE.COM A/S
Registered2015-01-16
Expires2027-01-31 (100d)

🔗 Same registrant#

7 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
deathwing.dkONE.COM A/S
frysehus.dkONE.COM A/S
knitwork.dknordicway ApS
kokkenogtossen.dknordicway ApS
stueplanten.dkONE.COM A/S
vielskerbanko.dkNetsite A/S
vildvidenskab.dknordicway ApS
📋 WHOIS#

⏱️ Lookup Timing#

NS
158ms
A
139ms
MX
150ms
AAAA
103ms
TXT
422ms
CAA
107ms
HTTPS
289ms
TLSA
256ms
SOA
91ms
MTA-STS
315ms
DNSSEC
360ms
SRV
354ms
Total
1176ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-19 05:02:09 shown 1176ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-26 12:40:03 2365ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-25 14:16:07 715ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-25 14:20:27 591ms 2 NS 1 A 1 MX 🔒 Secure
2026-07-24 11:50:00 32582ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-26 19:18:45 634ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-23 16:57:19 4091ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-21 16:45:25 1158ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-20 14:29:41 2213ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-17 23:41:49 1102ms 2 NS 1 A 1 MX 🔒 Secure
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