fiberboost.dk DNS records

🖥️ Nameservers2 records 58ms

Nameserver	IP addresses	PTR	ASN / ISP
celeste.ns.cloudflare.com	—	—	—
dakota.ns.cloudflare.com	—	—	—

🌍 A Records2 records 67ms

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

📧 MX Records4 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx1.pub.mailpod11-cph3.one.com	104.37.34.230	mx1.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	—	mx2.pub.mailpod11-cph3.one.com	104.37.34.231	mx2.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	—	mx3.pub.mailpod11-cph3.one.com	104.37.34.232	mx3.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	—	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 69ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:6f0	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000::/42	—	—
2606:4700:3036::ac43:8779	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000::/42	—	—

🔐 HTTPS Records1 records 53ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.6.240,172.67.135.121 ech=AEX+DQBBBwAgACCqfmcfnIuoKJ5IlEf/fctMxRpLGzhWDr4T3BFQFMHreQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:6f0,2606:4700:3036::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

🔗 TLSA / DANE4 records 59ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…

🔐 DNSSEC167ms

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

🏷️ SOA84ms

Field	Value
Serial	2407118125
Primary NS (MNAME)	celeste.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

58ms

A

67ms

MX

51ms

AAAA

69ms

TXT

146ms

CAA

58ms

HTTPS

53ms

TLSA

59ms

SOA

84ms

MTA-STS

49ms

DNSSEC

167ms

SRV

0ms

Total

939ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 06:42:47	1933ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-08-24 23:14:09	2333ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-08-21 20:31:16	1508ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-08-18 20:02:34	5698ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-08-07 05:07:21	1412ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-06-27 11:30:17	1071ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-06-17 09:29:50	939ms	2 NS 2 A 4 MX	🔓 Insecure	View