cbsstudents.dk

📜 Historical scan 2026-06-23 19:22:55 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cbsstudents.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 13 November 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.158.133.1 is hosted by Cloudflare, Inc. (AS13335) in Germany. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. The zone is DNSSEC-signed but currently fails validation, 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#

2 records 43ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.158.133.1	600s	lovable-app-cd-1-4.p.l5e.io	AS13335	Cloudflare, Inc.	185.158.133.0/24	🇩🇪 Germany	Frankfurt am Main

📧 MX Records#

7 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	aspmx.l.google.com	173.194.222.27 2a00:1450:4010:c1c::1b	lo-in-f27.1e100.net la-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	43200s	alt1.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	43200s	alt2.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx2.googlemail.com	192.178.211.26 2404:6800:4003:c26::1b	lcbomp-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx3.googlemail.com	142.251.127.27 2a00:1450:4013:c1e::1a	lcfrai-in-f27.1e100.net yugrqzs-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx4.googlemail.com	108.177.125.26 2404:6800:400b:c01b::1b	tp-in-f26.1e100.net yunrtab-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx5.googlemail.com	173.194.43.27 2607:f8b0:400e:c1e::1a	yudlsqd-in-f27.1e100.net yudlsqd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 246ms

TXT Record
google-site-verification=8kNUmg_3sH-iTDEKoIg9dN02iaIxA8SPbyMVDyefg74

✉️ 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#

latest probe, not this scan · checked 2026-10-14 19:26:47

www	185.158.133.1 (AS13335) (address records, no CNAME)
www vs bare domain	Same network cbsstudents.dk: 185.158.133.1 (AS13335) www.cbsstudents.dk: 185.158.133.1 (AS13335)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

74ms

Check	Result
Validation Status	⚠️ Bogus
AD Flag (resolver validates)	✗ Not set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: insecurity proof failed

🏷️ SOA#

57ms

Field	Value
Serial	2026061401
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-14 19:41:04

Field	Value
Registrar	ONE.COM A/S
Registered	2007-11-13
Expires	2026-11-30 (41d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

43ms

48ms

41ms

AAAA

40ms

TXT

246ms

CAA

39ms

HTTPS

42ms

TLSA

58ms

SOA

57ms

MTA-STS

41ms

DNSSEC

74ms

SRV

79ms

Total

858ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 19:26:47	566ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-30 10:58:10	885ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-22 12:38:15	1417ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-19 02:07:29	1034ms	2 NS 1 A 7 MX	🔒 Secure
2026-08-14 19:36:50	5782ms	2 NS 1 A 7 MX	🔒 Secure
2026-07-16 05:46:54	1399ms	2 NS 1 A 7 MX	🔒 Secure
2026-07-02 23:03:57	906ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-26 11:19:32	2901ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-23 19:22:55 shown	858ms	2 NS 1 A 7 MX	⚠️ Bogus
2026-06-16 19:51:14	840ms	2 NS 1 A 7 MX	🔒 Secure