bus1duborg.dk

Records from scan: 2026-10-18 08:04:05 · 4052ms total · last checked 2026-10-19 08:08 (unchanged)

🧟 Lame delegation ⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bus1duborg.dk is a registered .dk domain whose nameservers (ns1.e-studio.dk, ns2.e-studio.dk, ns3.e-studio.dk) do not answer for it, so it is currently a lame delegation and does not resolve. It was registered on 3 September 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 659ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.e-studio.dk	195.242.131.5 2001:67c:564:fffc::11	ns1.e-studio.dk ns1.e-studio.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
ns2.e-studio.dk	2a00:1b18:2:3::2 62.69.152.34	ns2.e-studio.dk ns2.e-studio.dk	AS47527 DLX A/S AS47527 DLX A/S
ns3.e-studio.dk	193.200.90.183 2001:67c:564:fffc::13	ns3.e-studio.dk ns3.e-studio.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS

🌍 A Records#

🌍

No A records found

📧 MX Records#

📧

No MX records found

🔷 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#

checked 2026-10-08 14:26:46

www CNAME	bus1duborg.dk (all on bus1duborg.dk) → 195.242.131.32 (AS62121)
www vs bare domain	Same network bus1duborg.dk: 195.242.131.32 (AS62121) www.bus1duborg.dk: 195.242.131.32 (AS62121)
Wildcard	No
Denial of existence	NSEC3 · 7 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔗 TLSA / DANE#

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

🔐 DNSSEC#

686ms

Check	Result
Validation Status	⚠️ Bogus — the parent still publishes a DS record, but the delegated nameservers don't answer, so no signed answer can be fetched. The zone isn't serving broken signatures; it isn't serving at all.
AD Flag (resolver validates)	✗ Not set
DS Record	✓ Found
DNSKEY Record	✗ Not found
Flags	resolution failed: failure

🏷️ SOA#

✗ No SOA record found

📋 Registration#

WHOIS fetched 2026-10-19 00:54:42

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-09-03
Expires	2027-08-31 (316d)

🔗 Same registrant#

2 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
bus1poetzsch.dk	Punktum dk A/S (direct)
kobmandsgaarden.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

659ms

615ms

567ms

AAAA

641ms

TXT

2603ms

CAA

549ms

HTTPS

601ms

TLSA

368ms

SOA

104ms

MTA-STS

647ms

DNSSEC

686ms

SRV

1034ms

Total

4052ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 08:04:05 shown	4052ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-02 13:06:43	401ms	3 NS 1 A 2 MX	🔒 Secure
2026-09-18 11:51:02	649ms	3 NS 1 A 2 MX	🔒 Secure
2026-09-12 01:17:35	1103ms	3 NS 1 A 2 MX	🔒 Secure
2026-09-05 00:50:17	570ms	3 NS 1 A 2 MX	🔒 Secure
2026-09-01 04:16:55	532ms	3 NS 1 A 2 MX	🔒 Secure
2026-07-08 16:49:41	1371ms	3 NS 1 A 2 MX	🔒 Secure
2026-06-29 17:44:12	700ms	3 NS 1 A 2 MX	🔒 Secure
2026-06-24 16:42:55	860ms	3 NS 1 A 2 MX	⚠️ Bogus
2026-06-20 17:45:14	826ms	3 NS 1 A 2 MX	🔒 Secure
2026-06-16 17:45:20	607ms	3 NS 1 A 2 MX	🔒 Secure