kastell.dk

📜 Historical scan 2026-08-27 04:09:26 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kastell.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 17 March 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.135 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by aspmx.l.google.com. 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#

4 records 53ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 66ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.135	43200s	linux125.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	aspmx.l.google.com	2a00:1450:4010:c03::1b 2a00:1450:4010:c03::1b 64.233.164.27	lr-in-x1b.1e100.net lr-in-f27.1e100.net lf-in-f27.1e100.net	AS15169 Google LLC 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#

📝

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#

latest probe, not this scan · checked 2026-10-13 04:26:05

www	94.231.103.135 (AS48854) (address records, no CNAME)
www vs bare domain	Same network kastell.dk: 94.231.103.135 (AS48854) www.kastell.dk: 94.231.103.135 (AS48854)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

103ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2022061802
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-10 00:57:05

Field	Value
Registrar	Simply.com A/S
Registered	2004-03-17
Expires	2027-03-31 (163d)

📋 WHOIS#

⏱️ Lookup Timing#

53ms

66ms

52ms

AAAA

66ms

TXT

161ms

CAA

47ms

HTTPS

39ms

TLSA

43ms

SOA

0ms

MTA-STS

80ms

DNSSEC

103ms

SRV

71ms

Total

542ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 04:26:05	2431ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-02 15:09:06	428ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-12 18:52:21	547ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-27 04:09:26 shown	542ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-25 11:11:52	541ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-24 05:40:48	1122ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 14:01:50	1589ms	4 NS 1 A 1 MX	🔒 Secure