koder.dk

📜 Historical scan 2026-10-12 01:21:17 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

koder.dk is a .dk domain served by 2 nameservers (dean.ns.cloudflare.com, suzanne.ns.cloudflare.com). It was registered on 6 July 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx.uplink.dk. 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 35ms

Nameserver	IP addresses	PTR	ASN / ISP
dean.ns.cloudflare.com	108.162.193.153 172.64.33.153 173.245.59.153 2606:4700:58::adf5:3b99 2803:f800:50::6ca2:c199 2a06:98c1:50::ac40:2199	dean.ns.cloudflare.com dean.ns.cloudflare.com dean.ns.cloudflare.com dean.ns.cloudflare.com dean.ns.cloudflare.com dean.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
suzanne.ns.cloudflare.com	108.162.194.87 162.159.38.87 172.64.34.87 2606:4700:50::a29f:2657 2803:f800:50::6ca2:c257 2a06:98c1:50::ac40:2257	suzanne.ns.cloudflare.com suzanne.ns.cloudflare.com suzanne.ns.cloudflare.com suzanne.ns.cloudflare.com suzanne.ns.cloudflare.com suzanne.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
127.0.0.1	300s	localhost	—	—	—	—	—

📧 MX Records#

1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.uplink.dk	2a0c:8900:3:298a::1 45.86.125.212	mx.uplink.dk mx.uplink.dk	AS200462 ETH-Services AS200462 ETH-Services

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 185ms

TXT Record
v=spf1 mx -all

✉️ SPF#

Policy	Record (koder.dk)
-all (hard fail)	v=spf1 mx -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 2026-10-17 07:11:55

www CNAME	koder.dk (all on koder.dk) → 127.0.0.1
www vs bare domain	Same network koder.dk: 127.0.0.1 www.koder.dk: 127.0.0.1
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.koder.dk	431VReQFpGSvdzrLVt-EGlKC4LTms1S-uNEES84bouU
TXT	_acme-challenge.koder.dk	80lVMtT2ac3-6tIL7IaoHEQ50TowYw500GV107lr9as

🔗 TLSA / DANE#

1 records 69ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.uplink.dk	DANE-EE · SPKI · SHA-256	B0971508DDECB3EF3E4651E930E49AEE…

🔐 DNSSEC#

64ms

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

🏷️ SOA#

23ms

Field	Value
Serial	2417177589
Primary NS (MNAME)	dean.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-11 00:59:27

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1998-07-06
Expires	2027-09-30 (348d)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

40ms

43ms

AAAA

39ms

TXT

185ms

CAA

34ms

HTTPS

50ms

TLSA

69ms

SOA

23ms

MTA-STS

55ms

DNSSEC

64ms

SRV

65ms

Total

2669ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 07:11:55	2234ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-15 05:47:34	3054ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-14 04:12:57	3157ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-13 03:01:08	1895ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-12 01:21:17 shown	2669ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-11 00:20:26	3538ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-09 20:22:29	2601ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 11:10:47	4494ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 05:35:23	1106ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 04:14:14	692ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-16 01:40:33	2226ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-01 10:10:35	2456ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-24 00:57:14	2996ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-19 00:05:12	11183ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-13 15:42:36	1299ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-06 13:38:14	1365ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-29 23:03:46	1132ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-06 08:52:49	1666ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 14:41:03	2228ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 19:08:58	909ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 09:15:32	2655ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 05:14:52	1034ms	2 NS 1 A 1 MX	🔒 Secure