cento-as.dk
Last scanned: 2026-08-12 22:28:13  ·  2239ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   40ms
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   43ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.137.115.2 3600s cpanel02.steait.net AS198944 TN HOSTING ApS 185.137.112.0/22 🇩🇰 Denmark —
📧 MX Records2 records   37ms
PriorityTTLMail ServerIP addressesPTRASN
5 3600s smtp.steait.net 81.161.97.151 smtp.steait.net AS198944 TN HOSTING ApS
10 3600s mail.steait.net 81.161.97.152 mail.steait.net AS198944 TN HOSTING ApS
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscovercento-as.dk → 185.137.115.2
🔶 Autoconfigcento-as.dk → 185.137.115.2
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   159ms
TXT Record
MS=ms33693634
v=spf1 mx include:spf.protection.outlook.com -all
✉️ SPF
PolicyRecord (cento-as.dk)
-all (hard fail) v=spf1 mx include:spf.protection.outlook.com -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 Records
✗ No CAA records — any CA may issue certificates
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.cento-as.dk cento-as.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC70ms
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
40ms
A
43ms
MX
37ms
AAAA
51ms
TXT
159ms
CAA
50ms
HTTPS
43ms
TLSA
177ms
SOA
0ms
MTA-STS
53ms
DNSSEC
70ms
SRV
62ms
Total
2239ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-12 22:28:13 2239ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-23 17:23:28 4878ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-18 07:40:11 915ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-12 10:20:54 8751ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-28 06:49:55 825ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-16 20:05:28 512ms 2 NS 1 A 2 MX 🔒 Secure View
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