u0.dk

Records from scan: 2026-10-25 13:43:02  ·  880ms total
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

u0.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 17 December 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.211.38 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by .. 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   132ms
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   123ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.211.38 600s domain-parking.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen

📧 MX Records#

1 records   128ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)

🔷 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 2026-10-25 13:43:02
www46.30.211.38 (AS51468) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceNSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

172ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

100ms
FieldValue
Serial2026102401
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-25 14:15:21
FieldValue
RegistrarONE.COM A/S
Registered2004-12-17
Expires2026-12-31 (66d)

🔗 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
adisk.dkONE.COM A/S
blavnsfeldt.dkONE.COM A/S
dansk-ejerkapital.dkONE.COM A/S
danskejerkapital.dkONE.COM A/S
fredholm.dkONE.COM A/S
frihaands-skydeselskabet.dkONE.COM A/S
internetbase.dkONE.COM A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
132ms
A
123ms
MX
128ms
AAAA
149ms
TXT
229ms
CAA
142ms
HTTPS
121ms
TLSA
254ms
SOA
100ms
MTA-STS
144ms
DNSSEC
172ms
SRV
126ms
Total
880ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-25 13:43:02 shown 880ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-20 00:04:35 489ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-30 21:19:51 783ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-04 13:26:13 581ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-27 18:27:16 700ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-26 05:08:12 849ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-21 00:15:02 2375ms 2 NS 1 A 4 MX ⚠️ Bogus
2026-06-18 03:27:27 4518ms 2 NS 1 A 4 MX 🔒 Secure
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