a-square.dk
📜 Historical scan 2026-06-16 12:41:13  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   40ms
NameserverIP addressesPTRASN / ISP
ns01.one.com — — —
ns02.one.com — — —
🌍 A Records1 records   35ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.215.187 — webcluster2.webpod17-cph3.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark —
📧 MX Records4 records   42ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mx1.mailpod15-cph3.g1i.one.com 104.37.35.36 mx1.mailpod15-cph3.g1i.one.com AS51468 One.com A/S
10 — mx2.mailpod15-cph3.g1i.one.com 104.37.35.37 mx2.mailpod15-cph3.g1i.one.com AS51468 One.com A/S
10 — mx3.mailpod15-cph3.g1i.one.com 104.37.35.38 mx3.mailpod15-cph3.g1i.one.com AS51468 One.com A/S
10 — mx4.mailpod15-cph3.g1i.one.com 104.37.35.39 mx4.mailpod15-cph3.g1i.one.com AS51468 One.com A/S
🔷 AAAA Records (IPv6)1 records   41ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:106:80db:5460:c3c:dec3 — — AS51468 One.com A/S 2a02:2350::/32 🇩🇰 Denmark Copenhagen
🔐 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 Records
✗ No CAA records — any CA may issue certificates
🔗 TLSA / DANE4 records   87ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.mailpod15-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 DB00CDA1DB82CC93CBF96D7D5806F329…
SMTP _25._tcp.mx2.mailpod15-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 DB00CDA1DB82CC93CBF96D7D5806F329…
SMTP _25._tcp.mx3.mailpod15-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 DB00CDA1DB82CC93CBF96D7D5806F329…
SMTP _25._tcp.mx4.mailpod15-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 DB00CDA1DB82CC93CBF96D7D5806F329…
🔐 DNSSEC141ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA39ms
FieldValue
Serial2026052901
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
40ms
A
35ms
MX
42ms
AAAA
41ms
TXT
131ms
CAA
38ms
HTTPS
39ms
TLSA
87ms
SOA
39ms
MTA-STS
45ms
DNSSEC
141ms
SRV
0ms
Total
813ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-31 05:55:14 2668ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-11 19:16:40 4879ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-06 02:26:35 1391ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-19 11:42:47 865ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-01 10:00:00 704ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-25 08:01:22 3181ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-24 13:05:22 977ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-19 23:11:42 692ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-19 04:22:54 1220ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-16 12:41:13 813ms 2 NS 1 A 4 MX 🔒 Secure View
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