gtnet.dk

📜 Historical scan 2026-08-23 19:17:36 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gtnet.dk is a .dk domain served by 2 nameservers (apollo.ns.cloudflare.com, harleigh.ns.cloudflare.com). It was registered on 6 April 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.75.230 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, 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 116ms

Nameserver	IP addresses	PTR	ASN / ISP
apollo.ns.cloudflare.com	108.162.193.66 172.64.33.66 173.245.59.66 2606:4700:58::adf5:3b42 2803:f800:50::6ca2:c142 2a06:98c1:50::ac40:2142	apollo.ns.cloudflare.com apollo.ns.cloudflare.com apollo.ns.cloudflare.com apollo.ns.cloudflare.com apollo.ns.cloudflare.com apollo.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
harleigh.ns.cloudflare.com	108.162.194.58 162.159.38.58 172.64.34.58 2606:4700:50::a29f:263a 2803:f800:50::6ca2:c23a 2a06:98c1:50::ac40:223a	harleigh.ns.cloudflare.com harleigh.ns.cloudflare.com harleigh.ns.cloudflare.com harleigh.ns.cloudflare.com harleigh.ns.cloudflare.com harleigh.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 103ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.75.230	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.182.232	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 121ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:b6e8	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:4be6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 82ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.75.230,172.67.182.232 ech=AEX+DQBBFwAgACBXQNZW1QY4IKhbu/+6krRohaxDoObjOZYdla7tpF5bawAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:b6e8,2606:4700:3034::6815:4be6

📝 TXT Records#

1 records 423ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (gtnet.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.gtnet.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:05467b80528a516@rep.dmarcanalyzer.com; ruf=mailto:05467b80528a516@for.dmarcanalyzer.com; fo=1;

📬 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 07:22:44

www	104.21.75.230 172.67.182.232 2606:4700:3031::ac43:b6e8 2606:4700:3034::6815:4be6 (AS13335) (address records, no CNAME)
www vs bare domain	Same network gtnet.dk: 104.21.75.230 172.67.182.232 2606:4700:3031::ac43:b6e8 2606:4700:3034::6815:4be6 (AS13335) www.gtnet.dk: 104.21.75.230 172.67.182.232 2606:4700:3031::ac43:b6e8 2606:4700:3034::6815:4be6 (AS13335)
Wildcard	No

🔎 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#

276ms

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	2412969280
Primary NS (MNAME)	apollo.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-10 07:56:23

Field	Value
Registrar	Simply.com A/S
Registered	2021-04-06
Expires	2029-04-30 (924d)

📋 WHOIS#

⏱️ Lookup Timing#

116ms

103ms

168ms

AAAA

121ms

TXT

423ms

CAA

112ms

HTTPS

82ms

TLSA

203ms

SOA

0ms

MTA-STS

159ms

DNSSEC

276ms

SRV

153ms

Total

2318ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 07:22:44	4636ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-07 20:06:20	923ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-25 03:05:59	9918ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-27 04:56:56	628ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-23 19:17:36 shown	2318ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-12 15:55:11	4241ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-28 20:19:40	713ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-26 09:02:43	798ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 10:15:42	2118ms	2 NS 2 A 0 MX	🔓 Insecure