citycontainerrtr.dk
Last scanned: 2026-08-26 22:40:00  ·  547ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   39ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
🌍 A Records1 records   50ms
IPTTLPTRASNISP / OrgCIDRCountryCity
81.19.253.158 3600s — — — — 🇩🇰 Denmark —
📧 MX Records1 records   41ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s frontmta.hostedsepo.dk 92.43.124.44 — AS44398 Itm8 A/S
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   168ms
TXT Record
v=spf1 ptr:itafdelingen.net include:o._spf.hostedsepo.dk include:spf.protection.outlook.com -all
✉️ SPF
PolicyRecord (citycontainerrtr.dk)
-all (hard fail) v=spf1 ptr:itafdelingen.net include:o._spf.hostedsepo.dk include:spf.protection.outlook.com -all
📨 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 / DANE2 records   112ms
Service / OwnerTypeCert association
SMTP _25._tcp.frontmta.hostedsepo.dk DANE-TA · SPKI · SHA-256 1E20888F63520C235F8E61FDEA725CCE…
SMTP _25._tcp.frontmta.hostedsepo.dk DANE-EE · SPKI · SHA-256 F6EC319A6D18F16926CF1DC9D5AFACBE…
🔐 DNSSEC78ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026062402
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
39ms
A
50ms
MX
41ms
AAAA
37ms
TXT
168ms
CAA
47ms
HTTPS
62ms
TLSA
112ms
SOA
0ms
MTA-STS
63ms
DNSSEC
78ms
SRV
67ms
Total
547ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 22:40:00 547ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-07-11 06:00:43 16853ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-28 20:40:11 1026ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-27 01:16:06 1167ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-16 20:55:04 621ms 2 NS 1 A 1 MX 🔒 Secure View
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