koldfront.dk

Records from scan: 2026-10-21 14:03:26 · 715ms total

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

koldfront.dk is a .dk domain served by 3 nameservers (ns1.koldfront.dk, ns2.koldfront.dk, ns3.koldfront.dk). It was registered on 11 October 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.237.178.116 is hosted by EWII Bredbaand A/S (AS204151) in Denmark. Mail is handled by mail.koldfront.dk, anton.koldfront.dk and 1 more. The zone is DNSSEC-signed and validates, publishes a 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#

3 records 61ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.koldfront.dk	2a01:7e01::f03c:91ff:fe2c:eae8	clara.koldfront.dk	AS63949 Akamai Connected Cloud
ns2.koldfront.dk	2a01:4f9:c012:be42::1 95.216.188.131	anton.koldfront.dk anton.koldfront.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns3.koldfront.dk	212.237.178.116 2a06:4001:d06f:0:eee7:a7ff:fe1d:826c	virgil.koldfront.dk —	AS204151 EWII Bredbaand A/S AS204151 EWII Bredbaand A/S

🌍 A Records#

1 records 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
212.237.178.116	86400s	virgil.koldfront.dk	AS204151	EWII Bredbaand A/S	212.237.176.0/21	🇩🇰 Denmark	Aarhus

📧 MX Records#

3 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	86400s	mail.koldfront.dk	212.237.178.116	virgil.koldfront.dk	AS204151 EWII Bredbaand A/S
20	86400s	anton.koldfront.dk	2a01:4f9:c012:be42::1 95.216.188.131	anton.koldfront.dk anton.koldfront.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
20	86400s	clara.koldfront.dk	139.162.176.195 2a01:7e01::f03c:91ff:fe2c:eae8	clara.koldfront.dk clara.koldfront.dk	AS63949 Akamai Connected Cloud AS63949 Akamai Connected Cloud

🔷 AAAA Records (IPv6)#

1 records 53ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a06:4001:d06f:0:eee7:a7ff:fe1d:826c	86400s	—	AS204151	EWII Bredbaand A/S	2a06:4000:0:0:0:0:0:0/29	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

2 records 222ms

Service	Priority	Weight	Port	Target
_xmpp-client._tcp	5	0	5222	koldfront.dk
_xmpp-server._tcp	5	0	5269	koldfront.dk

📝 TXT Records#

2 records 299ms

TXT Record
v=spf1 ip4:212.237.178.116 a:virgil.koldfront.dk mx -all
yahoo-verification-key=CoqcwyNYmerl+IbNY32SK/vnmtVLY3SWvT4VtMrkJys=

✉️ SPF#

Policy	Record (koldfront.dk)
-all (hard fail)	v=spf1 ip4:212.237.178.116 a:virgil.koldfront.dk mx -all

📨 DMARC#

Policy	Record (_dmarc.koldfront.dk)
p=reject	v=DMARC1; p=reject; adkim=r; aspf=r; pct=100

📬 MTA-STS#

169ms

Check	Result
Status	🔒 Enforce
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	enforce
Policy ID	202408091347
max_age	2592000s
Policy MX	mail.koldfront.dk, clara.koldfront.dk, anton.koldfront.dk, mail.asjo.org, mail.auto-u.dk, mail.azda.se, mail.vantbanken.se, mail.kammeratadam.dk, mail.feedbase.org, mail.olduse.net, mail.d-a-d.band

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

2 records 55ms

Flags	Tag	Value
0	iodef	mailto:asjo@koldfront.dk
0	issue	letsencrypt.org

🧩 Web & zone#

checked 2026-10-21 14:03:26

www CNAME	virgil.koldfront.dk (all on koldfront.dk) → 212.237.178.116 2a06:4001:d06f:0:eee7:a7ff:fe1d:826c (AS204151)
www vs bare domain	Same network koldfront.dk: 212.237.178.116 2a06:4001:d06f:0:eee7:a7ff:fe1d:826c (AS204151) www.koldfront.dk: 212.237.178.116 2a06:4001:d06f:0:eee7:a7ff:fe1d:826c (AS204151)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
mail	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

79ms

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

🏷️ SOA#

50ms

Field	Value
Serial	2026080947
Primary NS (MNAME)	ns1.koldfront.dk
Responsible (RNAME)	asjo@koldfront.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-14 20:49:12

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-10-11
Expires	2026-12-31 (70d)

🔗 Same registrant#

2 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).

Domain	Registrar
kammeratadam.dk	Punktum dk A/S (direct)
speedofdarkness.dk	Domeneshop AS

📋 WHOIS#

⏱️ Lookup Timing#

61ms

47ms

35ms

AAAA

53ms

TXT

299ms

CAA

55ms

HTTPS

56ms

TLSA

153ms

SOA

50ms

MTA-STS

169ms

DNSSEC

79ms

SRV

222ms

Total

715ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 14:03:26 shown	715ms	3 NS 1 A 3 MX	🔒 Secure
2026-10-19 03:07:01	1041ms	3 NS 1 A 3 MX	🔒 Secure
2026-10-18 03:02:01	829ms	3 NS 1 A 3 MX	🔒 Secure
2026-10-17 02:57:21	15337ms	3 NS 1 A 3 MX	🔒 Secure
2026-10-16 01:26:25	1735ms	3 NS 1 A 3 MX	🔒 Secure
2026-10-14 20:13:13	7091ms	3 NS 1 A 3 MX	🔒 Secure
2026-10-13 18:56:29	2700ms	3 NS 1 A 3 MX	🔒 Secure
2026-10-12 16:40:46	754ms	3 NS 1 A 3 MX	🔒 Secure
2026-10-11 16:20:02	1032ms	3 NS 1 A 3 MX	🔒 Secure
2026-10-09 10:43:54	5608ms	3 NS 1 A 3 MX	🔒 Secure
2026-10-08 10:33:48	2852ms	3 NS 1 A 3 MX	🔒 Secure
2026-10-07 10:27:56	1261ms	3 NS 1 A 3 MX	🔒 Secure
2026-10-06 06:25:45	4005ms	3 NS 1 A 3 MX	🔒 Secure
2026-10-05 06:03:57	2576ms	3 NS 1 A 3 MX	🔒 Secure
2026-10-04 05:38:06	3499ms	3 NS 1 A 3 MX	🔒 Secure
2026-10-03 05:35:45	1020ms	3 NS 1 A 3 MX	🔒 Secure
2026-10-01 05:30:17	1101ms	3 NS 1 A 3 MX	🔒 Secure
2026-09-30 05:19:12	11664ms	3 NS 1 A 3 MX	🔒 Secure
2026-09-29 05:07:14	2670ms	3 NS 1 A 3 MX	🔒 Secure
2026-09-28 04:59:47	4151ms	3 NS 1 A 3 MX	🔒 Secure
2026-09-27 04:37:58	7841ms	3 NS 1 A 3 MX	🔒 Secure
2026-09-26 04:25:24	6184ms	3 NS 1 A 3 MX	🔒 Secure
2026-09-25 19:17:28	5080ms	3 NS 1 A 3 MX	🔒 Secure
2026-09-24 19:09:33	10277ms	3 NS 1 A 3 MX	🔒 Secure
2026-09-23 18:42:42	3801ms	3 NS 1 A 3 MX	🔒 Secure