fiberbackbone.dk

Records from scan: 2026-09-26 11:27:04 · 561ms total · last checked 2026-10-16 04:30 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fiberbackbone.dk is a .dk domain served by 3 nameservers (ns1.mcb.dk, ns2.mcb.dk, ns3.mcb.dk). It was registered on 11 May 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.23.177.67 is hosted by DLX A/S (AS47527) in Denmark. Mail is handled by mx10.mcb.dk, mx20.mcb.dk and 1 more. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. 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#

3 records 34ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.mcb.dk	178.23.177.69 2a00:1cf0:0:9::69	mail.mcb.dk mail.mcb.dk	AS47527 DLX A/S AS47527 DLX A/S
ns2.mcb.dk	195.182.36.51 2a00:1cf0:0:5::3	ns2.lynero.net ns2.lynero.net	AS47527 DLX A/S AS47527 DLX A/S
ns3.mcb.dk	185.208.212.121 2a00:1b19:2:1::121	ns3.lynero.net ns3.lynero.net	AS47527 DLX A/S AS47527 DLX A/S

🌍 A Records#

1 records 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.23.177.67	300s	mcb-c02.lynero.net	AS47527	DLX A/S	178.23.176.0/21	🇩🇰 Denmark	—

📧 MX Records#

3 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx10.mcb.dk	178.23.177.69 2a00:1cf0:0:9::69	mail.mcb.dk mail.mcb.dk	AS47527 DLX A/S AS47527 DLX A/S
20	300s	mx20.mcb.dk	195.182.36.36 2a00:1cf0:0:4::4	mx20.lynero.net mx20.lynero.net	AS47527 DLX A/S AS47527 DLX A/S
30	300s	mx30.mcb.dk	185.208.212.120 2a00:1b19:2:1::120	mx30.lynero.net mx30.lynero.net	AS47527 DLX A/S AS47527 DLX A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 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#

checked 2026-10-02 12:11:05

www CNAME	fiberbackbone.dk (all on fiberbackbone.dk)
Wildcard	No

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

79ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2016100601
Primary NS (MNAME)	ns.mcb.dk
Responsible (RNAME)	hostmaster@mcb.dk
Refresh	10800s
Retry	3600s
Expire	2592000s
Minimum (neg-cache TTL)	38400s

📋 Registration#

WHOIS fetched 2026-10-11 03:28:32

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2011-05-11
Expires	2027-05-31 (226d)

📋 WHOIS#

⏱️ Lookup Timing#

34ms

37ms

AAAA

36ms

TXT

131ms

CAA

40ms

HTTPS

31ms

TLSA

60ms

SOA

0ms

MTA-STS

48ms

DNSSEC

79ms

SRV

51ms

Total

561ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-26 11:27:04 shown	561ms	3 NS 1 A 3 MX	🔓 Insecure
2026-08-28 04:58:35	9798ms	3 NS 1 A 3 MX	🔓 Insecure
2026-06-23 19:59:38	605ms	3 NS 1 A 3 MX	🔓 Insecure
2026-06-22 00:27:46	2023ms	3 NS 1 A 3 MX	🔓 Insecure
2026-06-21 05:27:24	1130ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 10:14:22	1009ms	3 NS 1 A 3 MX	🔓 Insecure
2026-06-17 10:11:51	3752ms	3 NS 1 A 3 MX	🔓 Insecure