cederhorn.dk DNS records

🖥️ Nameservers3 records 30ms

Nameserver	IP addresses	PTR	ASN / ISP
auth01.ns.dk-hostmaster.dk	193.163.102.11 2a01:630:0:40::11	auth01.ns.dk-hostmaster.dk auth01.ns.dk-hostmaster.dk	AS39839 Punktum dk A/S AS39839 Punktum dk A/S
auth02.ns.dk-hostmaster.dk	193.163.102.24 2a01:630:0:40::24	auth02.ns.dk-hostmaster.dk auth02.ns.dk-hostmaster.dk	AS39839 Punktum dk A/S AS39839 Punktum dk A/S
auth03.ns.dk-hostmaster.dk	130.226.213.139 2001:878:0:e000:82:e2:d5:8b	auth03.ns.dk-hostmaster.dk auth03.ns.dk-hostmaster.dk	AS1835 IDDQD-AS AS1835 IDDQD-AS

🌍 A Records

🌍

No A records found

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 120ms

TXT Record
v=spf1 -all

✉️ SPF

Policy	Record (cederhorn.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.cederhorn.dk)
p=reject	v=DMARC1; p=reject;

📬 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

🔗 TLSA / DANE

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

🔐 DNSSEC98ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2026082900
Primary NS (MNAME)	auth01.ns.dk-hostmaster.dk
Responsible (RNAME)	tech@punktum.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

30ms

A

36ms

MX

31ms

AAAA

37ms

TXT

120ms

CAA

28ms

HTTPS

25ms

TLSA

14ms

SOA

0ms

MTA-STS

45ms

DNSSEC

98ms

SRV

46ms

Total

355ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 19:21:38	355ms	3 NS 0 A 0 MX	🔒 Secure	View
2026-08-29 16:45:23	855ms	3 NS 0 A 0 MX	🔒 Secure	View
2026-08-25 22:58:55	526ms	3 NS 0 A 0 MX	🔒 Secure	View
2026-08-24 09:42:28	8630ms	3 NS 0 A 0 MX	🔒 Secure	View
2026-08-23 02:45:32	1142ms	3 NS 0 A 0 MX	🔒 Secure	View
2026-08-18 21:57:49	1744ms	3 NS 0 A 0 MX	🔒 Secure	View
2026-08-17 06:29:30	1640ms	3 NS 0 A 0 MX	🔒 Secure	View
2026-08-15 17:42:13	6054ms	3 NS 0 A 0 MX	🔒 Secure	View
2026-08-12 03:40:01	2268ms	3 NS 0 A 0 MX	🔒 Secure	View
2026-08-09 22:38:40	591ms	3 NS 0 A 0 MX	🔒 Secure	View
2026-08-08 20:36:25	576ms	3 NS 0 A 0 MX	🔒 Secure	View
2026-08-02 05:22:30	736ms	3 NS 0 A 0 MX	🔒 Secure	View
2026-07-24 01:30:55	761ms	3 NS 0 A 0 MX	🔒 Secure	View
2026-07-23 00:54:56	645ms	3 NS 0 A 0 MX	🔒 Secure	View
2026-07-17 22:04:16	765ms	3 NS 0 A 0 MX	🔒 Secure	View
2026-07-16 21:55:37	603ms	3 NS 0 A 0 MX	🔒 Secure	View
2026-07-13 12:22:48	8488ms	3 NS 0 A 0 MX	🔒 Secure	View
2026-07-05 20:14:09	1503ms	3 NS 0 A 0 MX	🔒 Secure	View
2026-07-04 13:47:26	2631ms	3 NS 0 A 0 MX	🔒 Secure	View
2026-07-01 10:39:45	496ms	3 NS 0 A 0 MX	🔒 Secure	View
2026-06-25 00:50:25	1120ms	3 NS 0 A 0 MX	🔒 Secure	View
2026-06-23 11:58:36	606ms	3 NS 0 A 0 MX	🔒 Secure	View
2026-06-23 11:33:37	802ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 06:49:00	2264ms	3 NS 0 A 0 MX	🔒 Secure	View
2026-06-16 21:08:12	23664ms	0 NS 0 A 0 MX	❓ Unknown	View