osback.dk
📜 Historical scan 2026-07-24 02:20:07  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   54ms
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
46.30.215.127 3600s webforward.webpod16-cph3.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen
📧 MX Records4 records   74ms
PriorityTTLMail ServerIP addressesPTRASN
10 10800s mx1.pub.mailpod12-cph3.one.com 104.37.34.246 mx1.pub.mailpod12-cph3.one.com AS51468 One.com A/S
10 10800s mx2.pub.mailpod12-cph3.one.com 104.37.34.247 mx2.pub.mailpod12-cph3.one.com AS51468 One.com A/S
10 10800s mx3.pub.mailpod12-cph3.one.com 104.37.34.248 mx3.pub.mailpod12-cph3.one.com AS51468 One.com A/S
10 10800s mx4.pub.mailpod12-cph3.one.com 104.37.34.249 mx4.pub.mailpod12-cph3.one.com AS51468 One.com A/S
🔷 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
✗ 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 Records1 records   47ms
FlagsTagValue
0 issue letsencrypt.org
🔗 TLSA / DANE4 records   62ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod12-cph3.one.com DANE-EE · SPKI · SHA-256 3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx2.pub.mailpod12-cph3.one.com DANE-EE · SPKI · SHA-256 3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx3.pub.mailpod12-cph3.one.com DANE-EE · SPKI · SHA-256 3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx4.pub.mailpod12-cph3.one.com DANE-EE · SPKI · SHA-256 3E81C76D10E1A717F28178710EADCAA8…
🔐 DNSSEC147ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA50ms
FieldValue
Serial2026070603
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 RegistrationWHOIS fetched 2026-07-05 19:58:53
FieldValue
RegistrarONE.COM A/S
Registered2024-09-10
Expires2026-09-09 (6d)
📋 WHOIS
⏱️ Lookup Timing
NS
54ms
A
35ms
MX
74ms
AAAA
39ms
TXT
406ms
CAA
47ms
HTTPS
59ms
TLSA
62ms
SOA
50ms
MTA-STS
49ms
DNSSEC
147ms
SRV
8067ms
Total
24753ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 05:30:35 1182ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-26 16:56:25 777ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-26 16:49:13 552ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-24 02:20:07 24753ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-06 22:48:01 1378ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-05 19:54:49 2078ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-17 13:40:01 1898ms 2 NS 1 A 4 MX 🔒 Secure View
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