smtp-server.dk
📜 Historical scan 2026-07-13 16:26:43  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   2041ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S
🌍 A Records1 records   2029ms
IPTTLPTRASNISP / OrgCIDRCountryCity
62.243.46.155 43200s cms01.kta.dk AS3292 TDC Holding A/S 62.242.0.0/15 🇩🇰 Denmark Brønshøj
📧 MX Records1 records   2030ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s mailscan.kta.dk 80.63.34.210 wan.kta.dk AS3292 TDC Holding A/S
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   2152ms
TXT Record
v=spf1 a ip4:62.243.46.129/26 ip4:176.20.24.193/26 ip4:87.54.62.9/30 include:_spf.mailersend.net ~all
✉️ SPF
PolicyRecord (smtp-server.dk)
~all (soft fail) v=spf1 a ip4:62.243.46.129/26 ip4:176.20.24.193/26 ip4:87.54.62.9/30 include:_spf.mailersend.net ~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 / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC9065ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA2025ms
FieldValue
Serial2026042111
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
2041ms
A
2029ms
MX
2030ms
AAAA
2031ms
TXT
2152ms
CAA
2026ms
HTTPS
4026ms
TLSA
87ms
SOA
2025ms
MTA-STS
2042ms
DNSSEC
9065ms
SRV
4026ms
Total
13730ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-16 01:06:59 5183ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-19 12:17:17 5093ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-13 16:26:43 13730ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-21 12:41:08 435ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 13:55:11 1421ms 2 NS 1 A 1 MX 🔒 Secure View
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