mailsecurity.dk
📜 Historical scan 2026-06-17 13:43:59  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   136ms
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   134ms
IPTTLPTRASNISP / OrgCIDRCountryCity
178.23.247.179 — simitu-edgegw-03.tdchps.dk AS44398 Itm8 A/S 178.23.240.0/21 🇩🇰 Denmark Copenhagen
📧 MX Records3 records   148ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mxcloud1.simitu.dk — — —
10 — mxcloud2.simitu.dk — — —
10 — mxcloud3.simitu.dk — — —
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   218ms
TXT Record
9GcQzUpa
✉️ 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)
🔐 DNSSEC282ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA126ms
FieldValue
Serial2026061101
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
136ms
A
134ms
MX
148ms
AAAA
126ms
TXT
218ms
CAA
132ms
HTTPS
127ms
TLSA
363ms
SOA
126ms
MTA-STS
130ms
DNSSEC
282ms
SRV
0ms
Total
1709ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 11:26:02 2873ms 2 NS 1 A 3 MX 🔒 Secure View
2026-08-11 09:17:04 751ms 2 NS 1 A 3 MX 🔒 Secure View
2026-07-17 20:56:27 659ms 2 NS 1 A 3 MX 🔒 Secure View
2026-07-12 03:46:52 13520ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-27 09:42:11 3981ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-21 19:53:55 1165ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 23:36:54 2263ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-17 13:43:59 1709ms 2 NS 1 A 3 MX 🔒 Secure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone