gkon.dk

📜 Historical scan 2026-06-22 20:04:49 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gkon.dk is a .dk domain served by 2 nameservers (addyson.ns.cloudflare.com, ernest.ns.cloudflare.com). It was registered on 26 October 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.26.96 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.gkon.dk. The zone is DNSSEC-signed and validates, publishes a 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 58ms

Nameserver	IP addresses	PTR	ASN / ISP
addyson.ns.cloudflare.com	108.162.194.68 162.159.38.68 172.64.34.68 2606:4700:50::a29f:2644 2803:f800:50::6ca2:c244 2a06:98c1:50::ac40:2244	addyson.ns.cloudflare.com addyson.ns.cloudflare.com addyson.ns.cloudflare.com addyson.ns.cloudflare.com addyson.ns.cloudflare.com addyson.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ernest.ns.cloudflare.com	108.162.193.164 172.64.33.164 173.245.59.164 2606:4700:58::adf5:3ba4 2803:f800:50::6ca2:c1a4 2a06:98c1:50::ac40:21a4	ernest.ns.cloudflare.com ernest.ns.cloudflare.com ernest.ns.cloudflare.com ernest.ns.cloudflare.com ernest.ns.cloudflare.com ernest.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 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.26.96	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.135.214	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	mail.gkon.dk	168.119.144.139	cp02.azehosting.net	AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

2 records 55ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:1a60	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:87d6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 43ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.26.96,172.67.135.214 ech=AEX+DQBBWQAgACBSzgjc8HEJ9ualsqGRe1tDuGqrjMf2AWq/FU2ZIOkRZwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:1a60,2606:4700:3036::ac43:87d6

📝 TXT Records#

1 records 170ms

TXT Record
v=spf1 +a +mx +ip4:168.119.144.139 include:spf.azehosting.net ~all

✉️ SPF#

Policy	Record (gkon.dk)
~all (soft fail)	v=spf1 +a +mx +ip4:168.119.144.139 include:spf.azehosting.net ~all

📨 DMARC#

Policy	Record (_dmarc.gkon.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:799c879885b847a08934f0f2a5af99c4@dmarc-reports.cloudflare.net

📬 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 2026-10-18 13:25:59

www	104.21.26.96 172.67.135.214 2606:4700:3037::6815:1a60 2606:4700:3037::ac43:87d6 (AS13335) (address records, no CNAME)
www vs bare domain	Same network gkon.dk: 104.21.26.96 172.67.135.214 2606:4700:3037::6815:1a60 2606:4700:3037::ac43:87d6 (AS13335) www.gkon.dk: 104.21.26.96 172.67.135.214 2606:4700:3037::6815:1a60 2606:4700:3037::ac43:87d6 (AS13335)
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

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	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: 4/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

110ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2407415535
Primary NS (MNAME)	addyson.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 01:55:10

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-10-26
Expires	2026-10-31 (12d)

📋 WHOIS#

⏱️ Lookup Timing#

58ms

43ms

44ms

AAAA

55ms

TXT

170ms

CAA

38ms

HTTPS

43ms

TLSA

365ms

SOA

0ms

MTA-STS

121ms

DNSSEC

110ms

SRV

120ms

Total

1195ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 13:25:59	1689ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-13 07:57:48	2337ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-12 02:04:12	2182ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-11 01:46:34	3599ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-30 18:16:35	545ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-27 10:48:42	611ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-25 05:55:09	631ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-16 21:36:21	2971ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-10 17:24:40	10137ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-05 12:07:23	1238ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-31 20:35:04	1155ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-25 06:34:25	16928ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-13 11:14:26	922ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-07 07:41:06	1230ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-15 06:02:15	2797ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-09 04:54:32	1480ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-25 21:15:10	1297ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-22 20:04:49 shown	1195ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-17 09:29:18	557ms	2 NS 2 A 1 MX	🔒 Secure