citybolig.dk
Last scanned: 2026-09-01 02:26:55  ·  690ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   40ms
NameserverIP addressesPTRASN / ISP
ns1.cb.dk 193.104.202.25 ext202-25.cph1.sit.dk AS50346 It Forum Gruppen A/s
ns2.cb.dk 193.104.202.26 ext202-26.cph1.sit.dk AS50346 It Forum Gruppen A/s
🌍 A Records
🌍
No A records found
📧 MX Records1 records   31ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.citybolig.dk 194.60.243.111 — AS42876 Unit IT Services ApS
🔷 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)
🔐 DNSSEC84ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2018022807
Primary NS (MNAME)ns1.cb.dk
Responsible (RNAME)hostmaster@cb.dk
Refresh14400s
Retry7200s
Expire2419200s
Minimum (neg-cache TTL)7200s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
40ms
A
41ms
MX
31ms
AAAA
42ms
TXT
167ms
CAA
31ms
HTTPS
41ms
TLSA
67ms
SOA
0ms
MTA-STS
51ms
DNSSEC
84ms
SRV
66ms
Total
690ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-01 02:26:55 690ms 2 NS 0 A 1 MX 🔓 Insecure View
2026-06-25 22:24:18 643ms 2 NS 0 A 1 MX 🔓 Insecure View
2026-06-24 20:01:11 713ms 2 NS 0 A 1 MX 🔓 Insecure View
2026-06-20 03:28:27 694ms 2 NS 0 A 1 MX 🔓 Insecure View
2026-06-20 02:20:21 827ms 2 NS 0 A 1 MX 🔓 Insecure View
2026-06-16 20:55:56 484ms 2 NS 0 A 1 MX 🔓 Insecure View
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