kombinator.dk

📜 Historical scan 2026-09-01 14:05:19 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kombinator.dk is a .dk domain served by 2 nameservers (jessica.ns.cloudflare.com, justin.ns.cloudflare.com). It was registered on 12 February 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.40.182 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 36ms

Nameserver	IP addresses	PTR	ASN / ISP
jessica.ns.cloudflare.com	108.162.192.171 172.64.32.171 173.245.58.171 2606:4700:50::adf5:3aab 2803:f800:50::6ca2:c0ab 2a06:98c1:50::ac40:20ab	jessica.ns.cloudflare.com jessica.ns.cloudflare.com jessica.ns.cloudflare.com jessica.ns.cloudflare.com jessica.ns.cloudflare.com jessica.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
justin.ns.cloudflare.com	108.162.193.187 172.64.33.187 173.245.59.187 2606:4700:58::adf5:3bbb 2803:f800:50::6ca2:c1bb 2a06:98c1:50::ac40:21bb	justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.40.182	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.137.87	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 41ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:8957	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:28b6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 47ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.40.182,172.67.137.87 ech=AEX+DQBBYQAgACCiXPj/HekqKfXm+fk8uhhqX5SewTv4S7jrJSS/ZkhefgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:8957,2606:4700:3034::6815:28b6

📝 TXT Records#

1 records 197ms

TXT Record
v=spf1 +a +mx +ip4:77.66.30.213 ?all

✉️ SPF#

Policy	Record (kombinator.dk)
?all (neutral)	v=spf1 +a +mx +ip4:77.66.30.213 ?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 2026-10-10 23:36:26

www	104.21.40.182 172.67.137.87 2606:4700:3032::ac43:8957 2606:4700:3034::6815:28b6 (AS13335) (address records, no CNAME)
www vs bare domain	Same network kombinator.dk: 104.21.40.182 172.67.137.87 2606:4700:3032::ac43:8957 2606:4700:3034::6815:28b6 (AS13335) www.kombinator.dk: 104.21.40.182 172.67.137.87 2606:4700:3032::ac43:8957 2606:4700:3034::6815:28b6 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

90ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2410899479
Primary NS (MNAME)	jessica.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-16 04:33:57

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2013-02-12
Expires	2027-02-28 (132d)

📋 WHOIS#

⏱️ Lookup Timing#

36ms

50ms

44ms

AAAA

41ms

TXT

197ms

CAA

47ms

HTTPS

47ms

TLSA

64ms

SOA

0ms

MTA-STS

73ms

DNSSEC

90ms

SRV

63ms

Total

665ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-28 12:57:13	587ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-27 12:49:42	1049ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-01 14:05:19 shown	665ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-06 11:22:46	965ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-24 08:16:31	871ms	2 NS 2 A 0 MX	❓ Unknown
2026-06-18 08:20:36	946ms	2 NS 2 A 0 MX	🔓 Insecure