fdpbyg.dk

📜 Historical scan 2026-06-17 10:17:04 · ← 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 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 mx1.mailpod15-cph3.g1i.one.com, mx2.mailpod15-cph3.g1i.one.com and 2 more. 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 82ms

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 78ms

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

📧 MX Records#

4 records 65ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx1.mailpod15-cph3.g1i.one.com	104.37.35.36	mx1.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	—	mx2.mailpod15-cph3.g1i.one.com	104.37.35.37	mx2.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	—	mx3.mailpod15-cph3.g1i.one.com	104.37.35.38	mx3.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	—	mx4.mailpod15-cph3.g1i.one.com	104.37.35.39	mx4.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

2 records 86ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:25b5	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:d345	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 76ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.37.181,172.67.211.69 ech=AEX+DQBB4AAgACDCYF+8kn+lkITHi/BN3p8uJF8P53PV1auDSJxA263SZwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:25b5,2606:4700:3033::ac43:d345

📝 TXT Records#

1 records 387ms

TXT Record
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#

4 records 265ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	DB00CDA1DB82CC93CBF96D7D5806F329…
SMTP _25._tcp.mx2.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	DB00CDA1DB82CC93CBF96D7D5806F329…
SMTP _25._tcp.mx3.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	DB00CDA1DB82CC93CBF96D7D5806F329…
SMTP _25._tcp.mx4.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	DB00CDA1DB82CC93CBF96D7D5806F329…

🔐 DNSSEC#

211ms

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

🏷️ SOA#

92ms

Field	Value
Serial	2406854640
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#

82ms

78ms

65ms

AAAA

86ms

TXT

387ms

CAA

61ms

HTTPS

76ms

TLSA

265ms

SOA

92ms

MTA-STS

187ms

DNSSEC

211ms

SRV

0ms

Total

3880ms

🕐 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	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 shown	3880ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-17 10:05:35	1631ms	2 NS 2 A 4 MX	🔓 Insecure