kofobbs.dk

📜 Historical scan 2026-06-17 17:56:20 · ← Latest scan

kofobbs.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). Mail is handled by mx.kofo.org. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers

2 records 247ms

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

🌍

No A records found

📧 MX Records

1 records 174ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx.kofo.org	80.63.101.233	—	AS3292 TDC Holding A/S

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records

1 records 490ms

TXT Record
v=spf1 ip4:93.161.37.40/30 ip4:80.63.101.232/29 ~all

✉️ SPF

Policy	Record (kofobbs.dk)
~all (soft fail)	v=spf1 ip4:93.161.37.40/30 ip4:80.63.101.232/29 ~all

📨 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

latest probe, not this scan · checked 2026-09-29 16:50:17

www CNAME	fido0.kofobbs.net (all on kofobbs.net) ⚠ Dangling: the CNAME target does not exist. If that name can be claimed (an unregistered domain, or a free name on a hosting platform), whoever claims it controls www.kofobbs.dk
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check

zone-wide SPF report

DNS lookups: 0/10 · policy: ~all

No problems found

🔗 TLSA / DANE

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

🔐 DNSSEC

399ms

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

🏷️ SOA

223ms

Field	Value
Serial	2026061101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

247ms

216ms

174ms

AAAA

188ms

TXT

490ms

CAA

226ms

HTTPS

201ms

TLSA

352ms

SOA

223ms

MTA-STS

220ms

DNSSEC

399ms

SRV

0ms

Total

2172ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-23 15:25:31	469ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-15 06:58:07	949ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-25 00:48:30	13463ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-12 08:23:09	1763ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-02 10:36:25	8628ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-18 00:24:44	8758ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-16 21:50:45	8510ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-12 19:13:18	772ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-17 17:56:20 shown	2172ms	2 NS 0 A 1 MX	🔒 Secure