castgroup.dk

📜 Historical scan 2026-07-09 20:05:01 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

castgroup.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 12 February 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.106.179 is hosted by team.blue Denmark A/S (AS48854) in Denmark. The zone is DNSSEC-signed and validates, publishes a 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 31ms

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 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.106.179	3600s	linux219.curanet.dk	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 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#

1 records 177ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (castgroup.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.castgroup.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@fbdk.dk; ruf=mailto:dmarc@fbdk.dk; fo=1;

📬 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 21:49:04

www	94.231.106.179 (AS48854) (address records, no CNAME)
www vs bare domain	Same network castgroup.dk: 94.231.106.179 (AS48854) www.castgroup.dk: 94.231.106.179 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

54ms

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

🏷️ SOA#

25ms

Field	Value
Serial	2026062601
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 2026-08-28 03:17:43

Field	Value
Registrar	ONE.COM A/S
Registered	2021-02-12
Expires	2027-02-28 (134d)

📋 WHOIS#

⏱️ Lookup Timing#

31ms

AAAA

30ms

TXT

177ms

CAA

29ms

HTTPS

29ms

TLSA

45ms

SOA

25ms

MTA-STS

45ms

DNSSEC

54ms

SRV

48ms

Total

4583ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-27 21:08:00	522ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-26 21:01:07	466ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-08 09:51:08	506ms	2 NS 1 A 0 MX	🔒 Secure
2026-08-31 19:26:05	465ms	2 NS 1 A 0 MX	🔒 Secure
2026-08-28 03:17:30	440ms	2 NS 1 A 0 MX	🔒 Secure
2026-07-28 13:50:44	2421ms	2 NS 1 A 0 MX	🔒 Secure
2026-07-09 20:05:01 shown	4583ms	2 NS 1 A 0 MX	🔒 Secure
2026-07-03 12:35:16	466ms	2 NS 1 A 0 MX	🔒 Secure
2026-07-01 06:13:50	981ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-28 14:35:02	518ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-26 10:57:55	1278ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-23 04:22:16	667ms	2 NS 1 A 0 MX	⚠️ Bogus
2026-06-16 19:45:55	519ms	2 NS 1 A 0 MX	🔒 Secure