fiberbackbone.dk
📜 Historical scan 2026-06-23 19:59:38  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   32ms
NameserverIP addressesPTRASN / 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 Records1 records   70ms
IPTTLPTRASNISP / OrgCIDRCountryCity
178.23.177.67 600s mcb-c02.lynero.net AS47527 DLX A/S 178.23.176.0/21 🇩🇰 Denmark —
📧 MX Records3 records   50ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s 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 600s 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 600s 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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC79ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA45ms
FieldValue
Serial2016100601
Primary NS (MNAME)ns.mcb.dk
Responsible (RNAME)hostmaster@mcb.dk
Refresh10800s
Retry3600s
Expire2592000s
Minimum (neg-cache TTL)38400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
32ms
A
70ms
MX
50ms
AAAA
44ms
TXT
143ms
CAA
64ms
HTTPS
37ms
TLSA
49ms
SOA
45ms
MTA-STS
65ms
DNSSEC
79ms
SRV
80ms
Total
605ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 04:58:35 9798ms 3 NS 1 A 3 MX 🔓 Insecure View
2026-06-23 19:59:38 605ms 3 NS 1 A 3 MX 🔓 Insecure View
2026-06-22 00:27:46 2023ms 3 NS 1 A 3 MX 🔓 Insecure View
2026-06-21 05:27:24 1130ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 10:14:22 1009ms 3 NS 1 A 3 MX 🔓 Insecure View
2026-06-17 10:11:51 3752ms 3 NS 1 A 3 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone