fdpbyg.dk

Records from scan: 2026-10-01 21:54:46 · 2437ms total · last checked 2026-10-16 11:42 (unchanged)

⬇ 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 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 69ms

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 100ms

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 86ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	smtp.google.com	142.251.127.26 142.251.127.27 2a00:1450:4001:c21::1a 2a00:1450:4001:c21::1b	lcfrai-in-f26.1e100.net lcfrai-in-f27.1e100.net lcfrai-in-f26.1e100.net lcfrai-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 100ms

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 88ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.37.181,172.67.211.69 ech=AEX+DQBBIwAgACD2o9PTfXq9OElYDyJgULaT2jdBL9rteYT7YXGImaB7dAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:25b5,2606:4700:3035::ac43:d345

📝 TXT Records#

3 records 585ms

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#

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#

463ms

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

🏷️ SOA#

132ms

Field	Value
Serial	2416299523
Primary NS (MNAME)	kaiser.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

69ms

100ms

86ms

AAAA

100ms

TXT

585ms

CAA

89ms

HTTPS

88ms

TLSA

582ms

SOA

132ms

MTA-STS

178ms

DNSSEC

463ms

SRV

172ms

Total

2437ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 21:54:46 shown	2437ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 20:22:37	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