colum-bus.dk

📜 Historical scan 2026-06-23 04:53:42 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

colum-bus.dk is a .dk domain served by 4 nameservers (ns1.basejump.dk, ns1.kortermann-hosting.dk, ns2.kortermann-hosting.dk and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.189.39.106 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mx10.check4spam.dk, mx20.check4spam.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#

4 records 55ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.basejump.dk	93.167.198.71	—	AS3292 TDC Holding A/S
ns1.kortermann-hosting.dk	94.231.105.180	vdom105.net.dk2.zitcom.dk	AS48854 team.blue Denmark A/S
ns2.kortermann-hosting.dk	94.231.105.146	—	AS48854 team.blue Denmark A/S
ns3.alphasite.dk	—	—	—

🌍 A Records#

1 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.189.39.106	3600s	—	AS3292	TDC Holding A/S	94.189.0.0/17	🇩🇰 Denmark	—

📧 MX Records#

2 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx10.check4spam.dk	149.13.75.27 2001:978:2:7::162:100	fe1-r3-in.fra02.l.antispamcloud.com fe1-r3-in.fra02.l.antispamcloud.com	AS16633 N-able Technologies, Inc. AS174 Cogent Communications, LLC
20	3600s	mx20.check4spam.dk	154.59.193.124 2001:978:2:6::f:124	fe3-r3-in.du01.l.antispamcloud.com fe3-r3-in.du01.l.antispamcloud.com	AS16633 N-able Technologies, Inc. AS174 Cogent Communications, LLC

🔷 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 +a +mx include:spf.securesmtp.dk -all

✉️ SPF#

Policy	Record (colum-bus.dk)
-all (hard fail)	v=spf1 +a +mx include:spf.securesmtp.dk -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 2026-10-11 04:04:39

www	93.167.198.71 (AS3292) (address records, no CNAME)
www vs bare domain	Same network colum-bus.dk: 94.189.39.106 (AS3292) www.colum-bus.dk: 93.167.198.71 (AS3292)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2267ms

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

🏷️ SOA#

43ms

Field	Value
Serial	86551
Primary NS (MNAME)	ns1.kortermann-hosting.dk
Responsible (RNAME)	hostmaster@kortermann-hosting.dk
Refresh	14400s
Retry	7200s
Expire	2419200s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

55ms

44ms

48ms

AAAA

43ms

TXT

168ms

CAA

2241ms

HTTPS

48ms

TLSA

4036ms

SOA

43ms

MTA-STS

86ms

DNSSEC

2267ms

SRV

2246ms

Total

6888ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-08-03 11:14:58	14820ms	4 NS 1 A 2 MX	🔓 Insecure
2026-07-27 08:54:23	14954ms	4 NS 1 A 2 MX	🔓 Insecure
2026-06-25 14:51:58	22712ms	4 NS 1 A 2 MX	🔓 Insecure
2026-06-23 04:53:42 shown	6888ms	4 NS 1 A 2 MX	🔓 Insecure
2026-06-22 20:28:29	1167ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 21:24:06	1135ms	4 NS 1 A 2 MX	🔓 Insecure
2026-06-16 21:51:18	624ms	4 NS 1 A 2 MX	🔓 Insecure