spamcheck.dk
Last scanned: 2026-08-11 20:26:32  ·  2983ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   267ms
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   195ms
IPTTLPTRASNISP / OrgCIDRCountryCity
87.55.159.26 43200s 87-55-159-26-static.dk.customer.tdc.net AS3292 TDC Holding A/S 87.48.0.0/13 🇩🇰 Denmark Aabenraa
📧 MX Records2 records   194ms
PriorityTTLMail ServerIP addressesPTRASN
5 900s mail.spamcheck.dk 87.55.159.26 87-55-159-26-static.dk.customer.tdc.net AS3292 TDC Holding A/S
20 900s backup-mx.post.tele.dk 80.160.77.115 backup-mx2.post.tele.dk AS3292 TDC Holding 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 Records
✗ No CAA records — any CA may issue certificates
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC428ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
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
267ms
A
195ms
MX
194ms
AAAA
194ms
TXT
523ms
CAA
211ms
HTTPS
195ms
TLSA
466ms
SOA
0ms
MTA-STS
330ms
DNSSEC
428ms
SRV
315ms
Total
2983ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-11 20:26:32 2983ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-17 22:05:45 784ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-16 11:31:33 692ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-30 18:29:16 635ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-27 21:42:19 1399ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-17 14:03:19 2189ms 2 NS 1 A 2 MX 🔒 Secure View
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