fdpbyg.dk

📜 Historical scan 2026-06-25 23:40:40  ·  ← 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 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   249ms
NameserverIP addressesPTRASN / 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   221ms
IPTTLPTRASNISP / OrgCIDRCountryCity
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#

4 records   245ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx1.mailpod15-cph3.g1i.one.com 104.37.35.36 mx1.mailpod15-cph3.g1i.one.com AS51468 One.com A/S
10 300s mx2.mailpod15-cph3.g1i.one.com 104.37.35.37 mx2.mailpod15-cph3.g1i.one.com AS51468 One.com A/S
10 300s mx3.mailpod15-cph3.g1i.one.com 104.37.35.38 mx3.mailpod15-cph3.g1i.one.com AS51468 One.com A/S
10 300s 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   446ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
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   187ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.37.181,172.67.211.69 ech=AEX+DQBBRwAgACB9r5PkQ4/uQt9S6M42JO0L5D/KKrziFANNUcogwVWyEAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:25b5,2606:4700:3035::ac43:d345

📝 TXT Records#

1 records   419ms
TXT Record
v=spf1 include:_custspf.one.com ~all

✉️ SPF#

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

📨 DMARC#

PolicyRecord (_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
wwwNXDOMAIN
www vs bare domainwww does not resolve (all like this)
WildcardNo

✍️ DKIM keys#

1 found
SelectorCNAMEKey
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   284ms
Service / OwnerTypeCert 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#

332ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

246ms
FieldValue
Serial2406854640
Primary NS (MNAME)kaiser.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-18 15:03:53
FieldValue
RegistrarONE.COM A/S
Registered2025-12-30
Expires2026-12-29 (71d)

🔗 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#

NS
249ms
A
221ms
MX
245ms
AAAA
446ms
TXT
419ms
CAA
230ms
HTTPS
187ms
TLSA
284ms
SOA
246ms
MTA-STS
265ms
DNSSEC
332ms
SRV
259ms
Total
2575ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 shown 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
dhd.dk [/] search Domains, Hosts & DNS — .dk zone