fiberboost.dk

📜 Historical scan 2026-09-15 08:04:49  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fiberboost.dk is a .dk domain served by 2 nameservers (celeste.ns.cloudflare.com, dakota.ns.cloudflare.com). It was registered on 1 March 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.6.240 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com and 2 more. The zone is not DNSSEC-signed, has no 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   55ms
NameserverIP addressesPTRASN / ISP
celeste.ns.cloudflare.com 108.162.194.7
162.159.38.7
172.64.34.7
2606:4700:50::a29f:2607
2803:f800:50::6ca2:c207
2a06:98c1:50::ac40:2207		 celeste.ns.cloudflare.com
celeste.ns.cloudflare.com
celeste.ns.cloudflare.com
celeste.ns.cloudflare.com
celeste.ns.cloudflare.com
celeste.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
dakota.ns.cloudflare.com 108.162.195.79
162.159.44.79
172.64.35.79
2606:4700:58::a29f:2c4f
2803:f800:50::6ca2:c34f
2a06:98c1:50::ac40:234f		 dakota.ns.cloudflare.com
dakota.ns.cloudflare.com
dakota.ns.cloudflare.com
dakota.ns.cloudflare.com
dakota.ns.cloudflare.com
dakota.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   45ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.6.240 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.135.121 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

4 records   34ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx1.pub.mailpod11-cph3.one.com 104.37.34.230 mx1.pub.mailpod11-cph3.one.com AS51468 One.com A/S
10 300s mx2.pub.mailpod11-cph3.one.com 104.37.34.231 mx2.pub.mailpod11-cph3.one.com AS51468 One.com A/S
10 300s mx3.pub.mailpod11-cph3.one.com 104.37.34.232 mx3.pub.mailpod11-cph3.one.com AS51468 One.com A/S
10 300s mx4.pub.mailpod11-cph3.one.com 104.37.34.233 mx4.pub.mailpod11-cph3.one.com AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

2 records   38ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3032::6815:6f0 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::ac43:8779 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   41ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.6.240,172.67.135.121 ech=AEX+DQBBcAAgACBuMsSnOKbY2fxGPYar2Gjp7wlu8IeBZQH+2fQ+JJUcWgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:6f0,2606:4700:3037::ac43:8779

📝 TXT Records#

📝
No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-08 18:27:00
www104.21.6.240 172.67.135.121 2606:4700:3032::6815:6f0 2606:4700:3037::ac43:8779 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.fiberboost.dk mCYFUwQcomsu0uvvi4R4cHk5ZqSumwj8-_eyFXk7lJA
TXT _acme-challenge.fiberboost.dk wtSyGpnMgDCYSLYBKiocOOrNlDOeaw4VBdYds7AVme4

🔗 TLSA / DANE#

4 records   91ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 24F573980561755185B794745411B05D…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 24F573980561755185B794745411B05D…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 24F573980561755185B794745411B05D…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 24F573980561755185B794745411B05D…

🔐 DNSSEC#

121ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2414684798
Primary NS (MNAME)celeste.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-17 07:52:25
FieldValue
RegistrarONE.COM A/S
Registered2023-03-01
Expires2027-02-28 (132d)

🔗 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
55ms
A
45ms
MX
34ms
AAAA
38ms
TXT
173ms
CAA
52ms
HTTPS
41ms
TLSA
91ms
SOA
0ms
MTA-STS
58ms
DNSSEC
121ms
SRV
63ms
Total
1608ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-03 17:41:35 672ms 2 NS 2 A 4 MX 🔓 Insecure
2026-09-29 17:21:20 578ms 2 NS 2 A 4 MX 🔓 Insecure
2026-09-20 22:18:41 765ms 2 NS 2 A 4 MX 🔓 Insecure
2026-09-15 08:04:49 shown 1608ms 2 NS 2 A 4 MX 🔓 Insecure
2026-09-10 05:05:50 1300ms 2 NS 2 A 4 MX 🔓 Insecure
2026-08-26 06:42:47 1933ms 2 NS 2 A 4 MX 🔓 Insecure
2026-08-24 23:14:09 2333ms 2 NS 2 A 4 MX 🔓 Insecure
2026-08-21 20:31:16 1508ms 2 NS 2 A 4 MX 🔓 Insecure
2026-08-18 20:02:34 5698ms 2 NS 2 A 4 MX 🔓 Insecure
2026-08-07 05:07:21 1412ms 2 NS 2 A 4 MX 🔓 Insecure
2026-06-27 11:30:17 1071ms 2 NS 2 A 4 MX 🔓 Insecure
2026-06-17 09:29:50 939ms 2 NS 2 A 4 MX 🔓 Insecure
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