o2.dk

Records from scan: 2026-10-05 20:32:18  ·  978ms total  ·  last checked 2026-10-16 15:38 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

o2.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 21 April 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 49.12.114.79 is hosted by Hetzner Online GmbH (AS24940) in Germany. 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   145ms
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   148ms
IPTTLPTRASNISP / OrgCIDRCountryCity
49.12.114.79 3600s cwserver03.conceptware.dk AS24940 Hetzner Online GmbH 49.12.0.0/15 🇩🇪 Germany Falkenstein

📧 MX Records#

1 records   131ms
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 2026-10-12 03:06:44
www49.12.114.79 (AS24940) (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#

176ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

96ms
FieldValue
Serial2026100401
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-05 20:52:21
FieldValue
RegistrarONE.COM A/S
Registered1999-04-21
Expires2027-06-30 (256d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
145ms
A
148ms
MX
131ms
AAAA
103ms
TXT
262ms
CAA
137ms
HTTPS
141ms
TLSA
295ms
SOA
96ms
MTA-STS
139ms
DNSSEC
176ms
SRV
158ms
Total
978ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-05 20:32:18 shown 978ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-30 19:40:09 796ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-30 06:36:03 1757ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-08 09:33:27 1267ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-01 10:34:57 1106ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-26 09:01:58 955ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-26 07:09:25 699ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-23 19:23:25 4919ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-20 14:24:32 5367ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-24 08:18:12 876ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-24 05:19:46 1177ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-17 20:01:41 696ms 2 NS 1 A 4 MX 🔒 Secure
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