on-c.dk

Records from scan: 2026-10-11 17:29:24 · 1536ms total · last checked 2026-10-20 04:22 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

on-c.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 27 November 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.80 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 is reachable over IPv6. 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 115ms

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 112ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.80	3600s	webcluster1.webpod16-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 135ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

1 records 132ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:111:80:1f80:e3db:fa00	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 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 2026-10-11 17:29:24

www	46.30.215.80 2a02:2350:5:111:80:1f80:e3db:fa00 (AS51468) (address records, no CNAME)
www vs bare domain	Same network on-c.dk: 46.30.215.80 2a02:2350:5:111:80:1f80:e3db:fa00 (AS51468) www.on-c.dk: 46.30.215.80 2a02:2350:5:111:80:1f80:e3db:fa00 (AS51468)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

203ms

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

🏷️ SOA#

102ms

Field	Value
Serial	2026101105
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 2026-10-10 17:47:21

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2013-11-27
Expires	2026-11-30 (39d)

📋 WHOIS#

⏱️ Lookup Timing#

115ms

112ms

135ms

AAAA

132ms

TXT

261ms

CAA

134ms

HTTPS

140ms

TLSA

928ms

SOA

102ms

MTA-STS

150ms

DNSSEC

203ms

SRV

138ms

Total

1536ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 17:29:24 shown	1536ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-09 12:57:55	503ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-06 09:43:03	1534ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-04 08:52:21	415ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 00:22:41	487ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-07 17:36:08	433ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-12 13:59:16	1249ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-06 19:47:21	752ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-08 16:12:00	683ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 16:08:03	2600ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 17:55:41	1151ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 01:16:54	1193ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 17:34:57	1994ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 23:27:43	758ms	2 NS 1 A 0 MX	🔒 Secure