gc-anlaeg.dk

📜 Historical scan 2026-09-17 04:27:04 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gc-anlaeg.dk is a .dk domain served by 2 nameservers (lewis.ns.cloudflare.com, noor.ns.cloudflare.com). It was registered on 2 March 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.51.126 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by smtp.google.com. 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 74ms

Nameserver	IP addresses	PTR	ASN / ISP
lewis.ns.cloudflare.com	108.162.195.159 162.159.44.159 172.64.35.159 2606:4700:58::a29f:2c9f 2803:f800:50::6ca2:c39f 2a06:98c1:50::ac40:239f	lewis.ns.cloudflare.com lewis.ns.cloudflare.com lewis.ns.cloudflare.com lewis.ns.cloudflare.com lewis.ns.cloudflare.com lewis.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
noor.ns.cloudflare.com	108.162.194.74 162.159.38.74 172.64.34.74 2606:4700:50::a29f:264a 2803:f800:50::6ca2:c24a 2a06:98c1:50::ac40:224a	noor.ns.cloudflare.com noor.ns.cloudflare.com noor.ns.cloudflare.com noor.ns.cloudflare.com noor.ns.cloudflare.com noor.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 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.51.126	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.180.153	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 69ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	smtp.google.com	173.194.220.27 173.194.221.26 173.194.221.27 173.194.222.26 2a00:1450:4010:c06::1b 2a00:1450:4010:c06::1b 2a00:1450:4010:c09::1a 2a00:1450:4010:c09::1a 2a00:1450:4010:c0a::1a 2a00:1450:4010:c0a::1a 2a00:1450:4010:c0a::1b 2a00:1450:4010:c0a::1b 64.233.163.26	lk-in-f27.1e100.net lm-in-f26.1e100.net lm-in-f27.1e100.net lo-in-f26.1e100.net lj-in-x1b.1e100.net lj-in-f27.1e100.net lk-in-x1a.1e100.net lk-in-f26.1e100.net lm-in-f26.1e100.net lm-in-x1a.1e100.net lm-in-x1b.1e100.net lm-in-f27.1e100.net lj-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.51.126
🔶 Autoconfig	172.67.180.153

🔷 AAAA Records (IPv6)#

2 records 51ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:b499	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:337e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 52ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.51.126,172.67.180.153 ech=AEX+DQBBYwAgACBud7uyN9k6vORHpKWnaXdIeRbK3slxapDZgXRh6DSlDgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:b499,2606:4700:3034::6815:337e

📝 TXT Records#

2 records 293ms

TXT Record
google-site-verification=dq9Cbrau9NVrn6p1TTWpUqAUzpc_3p_tFYkfEikDqjY
v=spf1 include:spf.curanet.dk include:_spf.google.com-all

✉️ SPF#

Policy	Record (gc-anlaeg.dk)
no all — incomplete SPF	v=spf1 include:spf.curanet.dk include:_spf.google.com-all

📨 DMARC#

Policy	Record (_dmarc.gc-anlaeg.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 17:46:10

www	104.21.51.126 172.67.180.153 2606:4700:3033::ac43:b499 2606:4700:3034::6815:337e (AS13335) (address records, no CNAME)
www vs bare domain	Same network gc-anlaeg.dk: 104.21.51.126 172.67.180.153 2606:4700:3033::ac43:b499 2606:4700:3034::6815:337e (AS13335) www.gc-anlaeg.dk: 104.21.51.126 172.67.180.153 2606:4700:3033::ac43:b499 2606:4700:3034::6815:337e (AS13335)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	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: none

error include:_spf.google.com-all has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)
warn No "all" and no redirect: mail from unlisted servers gets a neutral result

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.gc-anlaeg.dk	08tG-omK-ZfO7-aEz6anj6Ua4QIWIkyJhPi0Istb1Hk
TXT	_acme-challenge.gc-anlaeg.dk	kyL9ptU4j3wCyKqQiihkpBiNtGQpUWBHqxZNgvY8NSs

🔗 TLSA / DANE#

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

🔐 DNSSEC#

244ms

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	2414931115
Primary NS (MNAME)	lewis.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 12:43:07

Field	Value
Registrar	CURANET A/S
Registered	2026-03-02
Expires	2027-03-01 (126d)

🔗 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
gc-aps.dk	CURANET A/S

📋 WHOIS#

⏱️ Lookup Timing#

74ms

42ms

69ms

AAAA

51ms

TXT

293ms

CAA

53ms

HTTPS

52ms

TLSA

104ms

SOA

0ms

MTA-STS

167ms

DNSSEC

244ms

SRV

149ms

Total

2362ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 17:46:09	2303ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 13:49:30	635ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-27 22:19:54	757ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-18 12:06:56	1414ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-17 04:27:04 shown	2362ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-12 14:22:14	1356ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 17:57:46	2766ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-19 09:52:55	6433ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-19 02:31:37	1250ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 18:37:14	2669ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 09:23:55	924ms	2 NS 2 A 1 MX	🔓 Insecure