dcu-sj.dk

📜 Historical scan 2026-09-25 14:33:58  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dcu-sj.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 19 September 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.155.83.174 is hosted by nef Fonden (AS47304) in Denmark. Mail is handled by mail.dcu-sj.dk, backup-mx.post.tele.dk. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   41ms
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 Records#

1 records   43ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.155.83.174 43200s 3113964463.cgn.nefnet.dk AS47304 nef Fonden 185.155.80.0/22 🇩🇰 Denmark Agedrup

📧 MX Records#

2 records   41ms
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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-07 17:07:51
www185.155.83.174 (AS47304) (address records, no CNAME)
www vs bare domainSame network
dcu-sj.dk: 185.155.83.174 (AS47304)
www.dcu-sj.dk: 185.155.83.174 (AS47304)
WildcardYes: any name under the zone resolves
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

2057ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026092001
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-07 17:13:24
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2000-09-19
Expires2027-09-30 (348d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
41ms
A
43ms
MX
41ms
AAAA
46ms
TXT
181ms
CAA
44ms
HTTPS
37ms
TLSA
166ms
SOA
0ms
MTA-STS
56ms
DNSSEC
2057ms
SRV
71ms
Total
2490ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-07 17:07:51 2101ms 2 NS 1 A 2 MX 🔒 Secure
2026-10-01 15:40:20 2514ms 2 NS 1 A 2 MX 🔒 Secure
2026-09-25 14:33:58 shown 2490ms 2 NS 1 A 2 MX 🔒 Secure
2026-09-24 00:59:05 749ms 2 NS 1 A 2 MX 🔒 Secure
2026-09-03 12:26:48 663ms 2 NS 1 A 2 MX 🔒 Secure
2026-08-28 06:29:17 619ms 2 NS 1 A 2 MX 🔒 Secure
2026-08-26 11:39:36 663ms 2 NS 1 A 2 MX 🔒 Secure
2026-08-16 18:42:57 955ms 2 NS 1 A 2 MX 🔒 Secure
2026-08-09 20:25:07 8858ms 2 NS 1 A 2 MX 🔒 Secure
2026-06-25 01:08:33 2650ms 2 NS 1 A 2 MX 🔒 Secure
2026-06-24 04:16:13 1163ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-23 04:35:14 721ms 2 NS 1 A 2 MX 🔒 Secure
2026-06-17 01:25:27 405ms 2 NS 1 A 2 MX ⚠️ Bogus
2026-06-17 01:20:11 701ms 2 NS 1 A 2 MX 🔒 Secure
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