2by2.dk
Last scanned: 2026-08-27 00:22:19  ·  1018ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   38ms
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   35ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.211.38 3600s domain-parking.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen
📧 MX Records2 records   408ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s dk.mx1.mailanyone.net 192.162.219.155
2a01:77c0:1619:4100:6fa6:1315:2bd2:51cd		 mx41.electric.net
mx11.electric.net		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
20 3600s dk.mx2.mx25.net 192.162.219.49 mx41.electric.net AS16509 Amazon.com, Inc.
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 DMARC
PolicyRecord (_dmarc.2by2.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:e67605f3@mxtoolbox.dmarc-report.com; ruf=mailto:e67605f3@forensics.dmarc-report.com; fo=1
📬 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 / DANE4 records   130ms
Service / OwnerTypeCert association
SMTP _25._tcp.dk.mx1.mailanyone.net DANE-EE · Full cert · SHA-256 443DFE296DAC92DD311766BAD0B04CC7…
SMTP _25._tcp.dk.mx1.mailanyone.net DANE-EE · Full cert · SHA-256 1AAAC405385DEB66C25E43D629569F6C…
SMTP _25._tcp.dk.mx2.mx25.net DANE-EE · Full cert · SHA-256 1AAAC405385DEB66C25E43D629569F6C…
SMTP _25._tcp.dk.mx2.mx25.net DANE-EE · Full cert · SHA-256 443DFE296DAC92DD311766BAD0B04CC7…
🔐 DNSSEC94ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026061601
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
38ms
A
35ms
MX
408ms
AAAA
56ms
TXT
219ms
CAA
62ms
HTTPS
36ms
TLSA
130ms
SOA
0ms
MTA-STS
70ms
DNSSEC
94ms
SRV
72ms
Total
1018ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 00:22:19 1018ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-26 22:26:23 527ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-24 11:07:08 1170ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 08:49:34 534ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-18 23:30:14 1140ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-16 12:39:41 766ms 2 NS 1 A 2 MX 🔒 Secure View
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