bus1duborg.dk

📜 Historical scan 2026-06-16 17:45:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bus1duborg.dk is a .dk domain served by 3 nameservers (ns1.e-studio.dk, ns2.e-studio.dk, ns3.e-studio.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.242.131.32 is hosted by Christian Ebsen ApS (AS62121) in Denmark. Mail is handled by mx1.spamfri.dk, mx2.spamfri.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#

3 records 24ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.e-studio.dk	—	—	—
ns2.e-studio.dk	—	—	—
ns3.e-studio.dk	—	—	—

🌍 A Records#

1 records 23ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.242.131.32	—	web4.e-studio.dk	AS62121	Christian Ebsen ApS	195.242.130.0/23	🇩🇰 Denmark	—

📧 MX Records#

2 records 22ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx1.spamfri.dk	195.242.131.16	mx1.spamfri.dk	AS62121 Christian Ebsen ApS
20	—	mx2.spamfri.dk	193.200.91.109	mx2.spamfri.dk	AS62121 Christian Ebsen ApS

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 168ms

TXT Record
v=spf1 ip4:195.242.131.32 include:_spf.e-studio.dk ip4:195.242.130.94 +a +mx ~all

✉️ SPF#

Policy	Record (bus1duborg.dk)
~all (soft fail)	v=spf1 ip4:195.242.131.32 include:_spf.e-studio.dk ip4:195.242.130.94 +a +mx ~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 2026-10-08 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.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

2 records 137ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.spamfri.dk	DANE-EE · SPKI · SHA-256	884451547A03D0AC2F628D943839BAA6…
SMTP _25._tcp.mx2.spamfri.dk	DANE-EE · SPKI · SHA-256	6598C93F79B95376BB8099E9AC862167…

🔐 DNSSEC#

85ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

21ms

Field	Value
Serial	2026050700
Primary NS (MNAME)	ns1.e-studio.dk
Responsible (RNAME)	hostmaster@mailrelay.e-studio.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

24ms

23ms

22ms

AAAA

24ms

TXT

168ms

CAA

21ms

HTTPS

23ms

TLSA

137ms

SOA

21ms

MTA-STS

84ms

DNSSEC

85ms

SRV

0ms

Total

607ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
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 shown	607ms	3 NS 1 A 2 MX	🔒 Secure