dtu-mba.dk

📜 Historical scan 2026-06-17 04:55:42 · ← 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 51ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.itwebhotel.dk	—	—	—
ns2.itwebhotel.dk	—	—	—
ns3.itwebhotel.dk	—	—	—

🌍 A Records#

1 records 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
136.243.153.199	—	ns3.itwebhotel.dk	AS24940	Hetzner Online GmbH	136.243.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	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 264ms

TXT Record
v=spf1 a mx ip4:136.243.153.199 ~all

✉️ SPF#

Policy	Record (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

www	136.243.153.199 (AS24940) (address records, no CNAME)
www vs bare domain	Same network dtu-mba.dk: 136.243.153.199 (AS24940) www.dtu-mba.dk: 136.243.153.199 (AS24940)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 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#

132ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

50ms

Field	Value
Serial	2025122200
Primary NS (MNAME)	ns1.itwebhotel.dk
Responsible (RNAME)	hostmaster@dtu-mba.dk
Refresh	3600s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-11 05:03:02

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2025-12-22
Expires	2026-12-21 (63d)

📋 WHOIS#

⏱️ Lookup Timing#

51ms

52ms

AAAA

53ms

TXT

264ms

CAA

52ms

HTTPS

50ms

TLSA

180ms

SOA

50ms

MTA-STS

85ms

DNSSEC

132ms

SRV

0ms

Total

674ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
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	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 shown	674ms	3 NS 1 A 1 MX	🔓 Insecure