tcat.dk

📜 Historical scan 2026-09-30 20:17:55 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tcat.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 20 March 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 31.97.39.26 is hosted by Hostinger International Limited (AS47583) in Germany. Mail is handled by mx1.hostinger.com, mx2.hostinger.com. 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#

4 records 27ms

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 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
31.97.39.26	3600s	srv889514.hstgr.cloud	AS47583	Hostinger International Limited	31.97.0.0/16	🇩🇪 Germany	Frankfurt am Main

📧 MX Records#

2 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	3600s	mx1.hostinger.com	172.65.182.103 2606:4700:90:0:c1f8:f874:2386:b61f	— —	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
10	3600s	mx2.hostinger.com	172.65.182.103 2606:4700:90:0:c1f8:f874:2386:b61f	— —	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.mail.hostinger.com → 34.120.251.119
🔶 Autoconfig	autoconfig.mail.hostinger.com → 34.120.251.119

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

1 records 46ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=31.97.39.26 ipv6hint=2a02:4780:41:b72f::1

📝 TXT Records#

2 records 122ms

TXT Record
120fb9bff8d0238e58b7394aef94bc8d
v=spf1 include:_spf.mail.hostinger.com ~all

✉️ SPF#

Policy	Record (tcat.dk)
~all (soft fail)	v=spf1 include:_spf.mail.hostinger.com ~all

📨 DMARC#

Policy	Record (_dmarc.tcat.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:heine@tcat.dk

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

1 records 28ms

Flags	Tag	Value
0	issue	letsencrypt.org

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-12 13:45:16

www	NXDOMAIN
www vs bare domain	www does not resolve tcat.dk: 31.97.39.26 (AS47583) www.tcat.dk: no address (all like this)
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

🔎 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#

64ms

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

🏷️ SOA#

35ms

Field	Value
Serial	2026092100
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 20:43:31

Field	Value
Registrar	Simply.com A/S
Registered	2002-03-20
Expires	2028-03-31 (529d)

📋 WHOIS#

⏱️ Lookup Timing#

27ms

37ms

32ms

AAAA

44ms

TXT

122ms

CAA

28ms

HTTPS

46ms

TLSA

331ms

SOA

35ms

MTA-STS

41ms

DNSSEC

64ms

SRV

56ms

Total

718ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 13:45:16	833ms	4 NS 1 A 2 MX	🔒 Secure
2026-10-01 20:22:04	1694ms	4 NS 1 A 2 MX	🔒 Secure
2026-09-30 20:17:55 shown	718ms	4 NS 1 A 2 MX	🔒 Secure
2026-09-27 15:44:15	685ms	4 NS 1 A 2 MX	🔒 Secure
2026-09-23 21:29:48	559ms	4 NS 1 A 2 MX	🔒 Secure
2026-09-11 15:08:08	1007ms	4 NS 1 A 2 MX	🔒 Secure
2026-07-13 09:22:49	1100ms	4 NS 1 A 2 MX	🔒 Secure
2026-06-17 14:07:28	2151ms	4 NS 1 A 2 MX	🔒 Secure