dcu-sj.dk

📜 Historical scan 2026-08-09 20:25:07  ·  ← 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   50ms
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   58ms
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   50ms
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 80.160.77.115 — AS3292 TDC Holding A/S

📧 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#

96ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

57ms
FieldValue
Serial2026032401
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
50ms
A
58ms
MX
50ms
AAAA
44ms
TXT
204ms
CAA
61ms
HTTPS
58ms
TLSA
120ms
SOA
57ms
MTA-STS
83ms
DNSSEC
96ms
SRV
86ms
Total
8858ms

🕐 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 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 shown 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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