gert.dk

📜 Historical scan 2026-06-27 09:28:44 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gert.dk is a .dk domain served by 2 nameservers (brett.ns.cloudflare.com, teresa.ns.cloudflare.com). It was registered on 23 June 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.36.181 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. 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 72ms

Nameserver	IP addresses	PTR	ASN / ISP
brett.ns.cloudflare.com	108.162.193.76 172.64.33.76 173.245.59.76 2606:4700:58::adf5:3b4c 2803:f800:50::6ca2:c14c 2a06:98c1:50::ac40:214c	brett.ns.cloudflare.com brett.ns.cloudflare.com brett.ns.cloudflare.com brett.ns.cloudflare.com brett.ns.cloudflare.com brett.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
teresa.ns.cloudflare.com	108.162.194.216 162.159.38.216 172.64.34.216 2606:4700:50::a29f:26d8 2803:f800:50::6ca2:c2d8 2a06:98c1:50::ac40:22d8	teresa.ns.cloudflare.com teresa.ns.cloudflare.com teresa.ns.cloudflare.com teresa.ns.cloudflare.com teresa.ns.cloudflare.com teresa.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 60ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.36.181	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.198.67	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

7 records 53ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	2a00:1450:4010:c07::1a 2a00:1450:4010:c07::1a 64.233.164.26	lf-in-x1a.1e100.net lf-in-f26.1e100.net lf-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1a	tp-in-f27.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx2.googlemail.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx3.googlemail.com	108.177.125.27 2404:6800:4008:c01::1a	tp-in-f27.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx4.googlemail.com	192.178.230.26 2404:6800:400b:c01b::1a	yunrtab-in-f26.1e100.net yunrtab-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx5.googlemail.com	173.194.43.27 2607:f8b0:400e:c1e::1a	yudlsqd-in-f27.1e100.net yudlsqd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	172.67.198.67
🔶 Autoconfig	104.21.36.181

🔷 AAAA Records (IPv6)#

2 records 88ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:24b5	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:c643	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 81ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.36.181,172.67.198.67 ech=AEX+DQBBAAAgACD2W8FZNPXilLiFC/JYVZLvaYyCsa38UVtHKosEQjL0JgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:24b5,2606:4700:3034::ac43:c643

📝 TXT Records#

2 records 198ms

TXT Record
ca3-5cf1c3c652ce4bcca84f56340fc2edfa
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (gert.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~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 2026-10-16 23:30:23

www	104.21.36.181 172.67.198.67 2606:4700:3030::6815:24b5 2606:4700:3034::ac43:c643 (AS13335) (address records, no CNAME)
www vs bare domain	Same network gert.dk: 104.21.36.181 172.67.198.67 2606:4700:3030::6815:24b5 2606:4700:3034::ac43:c643 (AS13335) www.gert.dk: 104.21.36.181 172.67.198.67 2606:4700:3030::6815:24b5 2606:4700:3034::ac43:c643 (AS13335)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	Delete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

133ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2407284404
Primary NS (MNAME)	brett.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 23:54:34

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1997-06-23
Expires	2032-06-30 (2081d)

🔗 Same registrant#

1 domain

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
takeastand.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

72ms

60ms

53ms

AAAA

88ms

TXT

198ms

CAA

60ms

HTTPS

81ms

TLSA

82ms

SOA

0ms

MTA-STS

83ms

DNSSEC

133ms

SRV

104ms

Total

990ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 23:30:23	2082ms	2 NS 2 A 7 MX	🔓 Insecure
2026-10-09 14:52:04	761ms	2 NS 2 A 7 MX	🔓 Insecure
2026-10-04 17:43:32	3023ms	2 NS 2 A 7 MX	🔓 Insecure
2026-09-29 17:24:29	803ms	2 NS 2 A 7 MX	🔓 Insecure
2026-09-23 23:47:32	945ms	2 NS 2 A 7 MX	🔓 Insecure
2026-09-17 20:38:56	1459ms	2 NS 2 A 7 MX	🔓 Insecure
2026-08-30 22:00:17	3172ms	2 NS 2 A 7 MX	🔓 Insecure
2026-08-08 07:25:15	1940ms	2 NS 2 A 7 MX	🔓 Insecure
2026-07-20 14:15:47	1591ms	2 NS 2 A 7 MX	🔓 Insecure
2026-07-13 01:10:51	1883ms	2 NS 2 A 7 MX	🔓 Insecure
2026-06-27 09:28:44 shown	990ms	2 NS 2 A 7 MX	🔓 Insecure
2026-06-17 10:00:06	9413ms	2 NS 2 A 7 MX	🔓 Insecure