dtu-mba.dk

📜 Historical scan 2026-10-01 00:06:34  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dtu-mba.dk is a .dk domain served by 3 nameservers (ns1.itwebhotel.dk, ns2.itwebhotel.dk, ns3.itwebhotel.dk). It was registered on 22 December 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 136.243.153.199 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mail.dtu-mba.dk. The zone is not DNSSEC-signed, 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#

3 records   56ms
NameserverIP addressesPTRASN / ISP
ns1.itwebhotel.dk 136.243.153.136 ns1.itwebhotel.dk AS24940 Hetzner Online GmbH
ns2.itwebhotel.dk 136.243.153.176 ns2.itwebhotel.dk AS24940 Hetzner Online GmbH
ns3.itwebhotel.dk 136.243.153.199 ns3.itwebhotel.dk AS24940 Hetzner Online GmbH

🌍 A Records#

1 records   68ms
IPTTLPTRASNISP / OrgCIDRCountryCity
136.243.153.199 3600s ns3.itwebhotel.dk AS24940 Hetzner Online GmbH 136.243.0.0/16 🇩🇪 Germany Falkenstein

📧 MX Records#

1 records   43ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.dtu-mba.dk 136.243.153.199 ns3.itwebhotel.dk AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   300ms
TXT Record
v=spf1 a mx ip4:136.243.153.199 ~all

✉️ SPF#

PolicyRecord (dtu-mba.dk)
~all (soft fail) v=spf1 a mx ip4:136.243.153.199 ~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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-15 14:53:50
www136.243.153.199 (AS24940) (address records, no CNAME)
www vs bare domainSame network
dtu-mba.dk: 136.243.153.199 (AS24940)
www.dtu-mba.dk: 136.243.153.199 (AS24940)
WildcardNo
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

97ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

66ms
FieldValue
Serial2025122200
Primary NS (MNAME)ns1.itwebhotel.dk
Responsible (RNAME)hostmaster@dtu-mba.dk
Refresh3600s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-11 05:03:02
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2025-12-22
Expires2026-12-21 (63d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
56ms
A
68ms
MX
43ms
AAAA
67ms
TXT
300ms
CAA
57ms
HTTPS
49ms
TLSA
154ms
SOA
66ms
MTA-STS
112ms
DNSSEC
97ms
SRV
98ms
Total
810ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-15 14:53:49 1412ms 3 NS 1 A 1 MX 🔓 Insecure
2026-10-15 14:22:11 1487ms 3 NS 1 A 1 MX 🔓 Insecure
2026-10-11 04:45:22 2201ms 3 NS 1 A 1 MX 🔓 Insecure
2026-10-01 00:06:34 shown 810ms 3 NS 1 A 1 MX 🔓 Insecure
2026-09-26 12:31:11 748ms 3 NS 1 A 1 MX 🔓 Insecure
2026-08-27 07:35:30 731ms 3 NS 1 A 1 MX 🔓 Insecure
2026-06-20 00:57:34 2201ms 3 NS 1 A 1 MX 🔓 Insecure
2026-06-17 04:55:42 674ms 3 NS 1 A 1 MX 🔓 Insecure
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