dcu-sj.dk
Last scanned: 2026-08-28 06:29:17  ·  619ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   46ms
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   45ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.155.83.174 43200s 3113964463.cgn.nefnet.dk AS47304 nef Fonden 185.155.80.0/22 🇩🇰 Denmark Agedrup
📧 MX Records2 records   57ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s mail.dcu-sj.dk 185.155.83.174 3113964463.cgn.nefnet.dk AS47304 nef Fonden
20 43200s backup-mx.post.tele.dk — — —
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover185.155.83.174
🔶 Autoconfig185.155.83.174
🔷 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)
🔐 DNSSEC84ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026032401
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
46ms
A
45ms
MX
57ms
AAAA
29ms
TXT
198ms
CAA
46ms
HTTPS
44ms
TLSA
102ms
SOA
0ms
MTA-STS
64ms
DNSSEC
84ms
SRV
75ms
Total
619ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 06:29:17 619ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-26 11:39:36 663ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-16 18:42:57 955ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-09 20:25:07 8858ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-25 01:08:33 2650ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-24 04:16:13 1163ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-23 04:35:14 721ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-17 01:25:27 405ms 2 NS 1 A 2 MX ⚠️ Bogus View
2026-06-17 01:20:11 701ms 2 NS 1 A 2 MX 🔒 Secure View
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