fdpbyg.dk

📜 Historical scan 2026-09-24 20:22:37 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fdpbyg.dk is a .dk domain served by 2 nameservers (kaiser.ns.cloudflare.com, nena.ns.cloudflare.com). It was registered on 30 December 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.37.181 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 31ms

Nameserver	IP addresses	PTR	ASN / ISP
kaiser.ns.cloudflare.com	108.162.195.9 162.159.44.9 172.64.35.9 2606:4700:58::a29f:2c09 2803:f800:50::6ca2:c309 2a06:98c1:50::ac40:2309	kaiser.ns.cloudflare.com kaiser.ns.cloudflare.com kaiser.ns.cloudflare.com kaiser.ns.cloudflare.com kaiser.ns.cloudflare.com kaiser.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
nena.ns.cloudflare.com	108.162.194.161 162.159.38.161 172.64.34.161 2606:4700:50::a29f:26a1 2803:f800:50::6ca2:c2a1 2a06:98c1:50::ac40:22a1	nena.ns.cloudflare.com nena.ns.cloudflare.com nena.ns.cloudflare.com nena.ns.cloudflare.com nena.ns.cloudflare.com nena.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 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.37.181	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.211.69	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	smtp.google.com	108.177.14.26 108.177.14.27 2a00:1450:4010:c0e::1a 2a00:1450:4010:c0e::1a 2a00:1450:4010:c0e::1b 2a00:1450:4010:c0e::1b 2a00:1450:4010:c0f::1a 2a00:1450:4010:c0f::1a 2a00:1450:4010:c0f::1b 2a00:1450:4010:c0f::1b 74.125.131.26 74.125.131.27 74.125.205.27	lt-in-f26.1e100.net lt-in-f27.1e100.net lu-in-f26.1e100.net lu-in-x1a.1e100.net lu-in-f27.1e100.net lu-in-x1b.1e100.net lt-in-f26.1e100.net lt-in-x1a.1e100.net lt-in-x1b.1e100.net lt-in-f27.1e100.net lu-in-f26.1e100.net lu-in-f27.1e100.net le-in-f27.1e100.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

🔷 AAAA Records (IPv6)#

2 records 46ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:25b5	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:d345	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=104.21.37.181,172.67.211.69 ech=AEX+DQBB1gAgACCpAaf7d1k21wYqJxvQwPKZPCU/qMtrmwHPHBBFzpamFgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:25b5,2606:4700:3035::ac43:d345

📝 TXT Records#

3 records 212ms

TXT Record
google-site-verification=_JizRdcsY_gI7vAv4vuDSf0U_rklRIXcVaYGi1WQR-I
google-site-verification=_JizRdcsY_gl7vAv4vuDSfOU_rkIRIXcVaYGi1WQR-I
v=spf1 include:_custspf.one.com ~all

✉️ SPF#

Policy	Record (fdpbyg.dk)
~all (soft fail)	v=spf1 include:_custspf.one.com ~all

📨 DMARC#

Policy	Record (_dmarc.fdpbyg.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:977edc386c9148be875af3e74fe1e6ea@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 2026-10-13 07:30:43

www	NXDOMAIN
www vs bare domain	www does not resolve fdpbyg.dk: 104.21.37.181 172.67.211.69 2606:4700:3033::6815:25b5 2606:4700:3035::ac43:d345 (AS13335) www.fdpbyg.dk: no address (all like this)
Wildcard	No

✍️ 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: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2084ms

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	2413086027
Primary NS (MNAME)	kaiser.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-18 15:03:53

Field	Value
Registrar	ONE.COM A/S
Registered	2025-12-30
Expires	2026-12-29 (70d)

🔗 Same registrant#

0 domains

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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

31ms

37ms

44ms

AAAA

46ms

TXT

212ms

CAA

79ms

HTTPS

52ms

TLSA

115ms

SOA

0ms

MTA-STS

76ms

DNSSEC

2084ms

SRV

70ms

Total

2653ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 21:54:46	2437ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 20:22:37 shown	2653ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-03 07:49:17	1482ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 11:53:03	2138ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-25 08:06:19	815ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-24 07:07:19	1332ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-21 01:51:07	10855ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-20 00:08:30	5359ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-06 02:35:15	1461ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-25 23:40:40	2575ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-23 23:50:01	1016ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-17 10:17:04	3880ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-17 10:05:35	1631ms	2 NS 2 A 4 MX	🔓 Insecure