colmo.dk
Last scanned: 2026-08-13 06:34:24  ·  12744ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   41ms
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   42ms
IPTTLPTRASNISP / OrgCIDRCountryCity
80.248.138.17 1800s — AS216275 Netnoerden ApS 80.248.138.0/23 🇩🇰 Denmark —
📧 MX Records2 records   37ms
PriorityTTLMail ServerIP addressesPTRASN
100 3600s smtp.colmo.eu 2a13:e746:28f9:3390:2ff:aaff:fe00:1 — AS216275 Netnoerden ApS
100 3600s smtp.rundal.dk 2a13:e746:28f9:3390:2ff:aaff:fe00:1 — AS216275 Netnoerden ApS
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   153ms
TXT Record
v=spf1 a include:_spf.colmo.eu ~all
✉️ SPF
PolicyRecord (colmo.dk)
~all (soft fail) v=spf1 a include:_spf.colmo.eu ~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)
🔐 DNSSEC88ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA53ms
FieldValue
Serial2026081101
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
41ms
A
42ms
MX
37ms
AAAA
42ms
TXT
153ms
CAA
60ms
HTTPS
55ms
TLSA
4065ms
SOA
53ms
MTA-STS
66ms
DNSSEC
88ms
SRV
64ms
Total
12744ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-13 06:34:24 12744ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-12 01:54:35 10635ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-17 17:06:10 3090ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-12 15:51:05 4775ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-30 09:36:44 683ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-27 00:48:12 605ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-26 23:20:42 1325ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-20 12:39:45 973ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-20 04:46:32 1804ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-16 21:46:14 516ms 2 NS 1 A 2 MX 🔒 Secure View
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