2x4.dk
Last scanned: 2026-08-27 17:07:59  ·  1053ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   70ms
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   74ms
IPTTLPTRASNISP / OrgCIDRCountryCity
213.138.111.85 43200s teresa.3001.dk AS35425 Iomart Managed Services Limited 213.138.96.0/19 🇬🇧 United Kingdom —
📧 MX Records1 records   67ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s teresa.3001.dk 2001:41c8:51:655::85
213.138.111.85		 teresa.3001.dk
teresa.3001.dk		 AS35425 Iomart Managed Services Limited
AS35425 Iomart Managed Services Limited
🔷 AAAA Records (IPv6)1 records   50ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2001:41c8:51:655::85 43200s teresa.3001.dk AS35425 Iomart Managed Services Limited 2001:41c8:0:0:0:0:0:0/29 🇬🇧 United Kingdom —
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   216ms
TXT Record
v=spf1 +ip4: 213.138.111.85 +ip6:2001:41c8:51:655::85 -a:spf.sucks ~all
✉️ SPF
PolicyRecord (2x4.dk)
~all (soft fail) v=spf1 +ip4: 213.138.111.85 +ip6:2001:41c8:51:655::85 -a:spf.sucks ~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 Records3 records   64ms
FlagsTagValue
0 iodef mailto:hostmaster@3001.dk
0 issue letsencrypt.org
0 issuewild ;
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC111ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026032401
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
70ms
A
74ms
MX
67ms
AAAA
50ms
TXT
216ms
CAA
64ms
HTTPS
72ms
TLSA
302ms
SOA
0ms
MTA-STS
79ms
DNSSEC
111ms
SRV
92ms
Total
1053ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 17:07:59 1053ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-13 08:05:33 6675ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-25 12:14:46 3987ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-19 23:54:12 3792ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-19 18:07:31 1639ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-16 12:58:23 3327ms 2 NS 1 A 1 MX 🔓 Insecure View
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