t-a.dk

📜 Historical scan 2026-06-19 23:06:58 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

t-a.dk is a .dk domain served by 2 nameservers (arnold.ns.cloudflare.com, isla.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.56.56 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.t-a.dk. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 33ms

Nameserver	IP addresses	PTR	ASN / ISP
arnold.ns.cloudflare.com	108.162.193.69 172.64.33.69 173.245.59.69 2606:4700:58::adf5:3b45 2803:f800:50::6ca2:c145 2a06:98c1:50::ac40:2145	arnold.ns.cloudflare.com arnold.ns.cloudflare.com arnold.ns.cloudflare.com arnold.ns.cloudflare.com arnold.ns.cloudflare.com arnold.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
isla.ns.cloudflare.com	108.162.192.119 172.64.32.119 173.245.58.119 2606:4700:50::adf5:3a77 2803:f800:50::6ca2:c077 2a06:98c1:50::ac40:2077	isla.ns.cloudflare.com isla.ns.cloudflare.com isla.ns.cloudflare.com isla.ns.cloudflare.com isla.ns.cloudflare.com isla.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 54ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.56.56	600s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.178.132	600s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 66ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mail.t-a.dk	93.161.40.77	93-161-40-77-static.dk.customer.tdc.net	AS3292 TDC Holding A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	93.161.40.77
🔶 Autoconfig	93.161.40.77

🔷 AAAA Records (IPv6)#

2 records 33ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:3838	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:b284	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 56ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.56.56,172.67.178.132 ech=AEX+DQBBxQAgACDyYg1i/e0zUqcV9OWielLTCYkxwkA9aXhsLt+HvVibBwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3838,2606:4700:3035::ac43:b284

📝 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 2026-10-11 21:46:34

www	104.21.56.56 172.67.178.132 2606:4700:3031::6815:3838 2606:4700:3035::ac43:b284 (AS13335) (address records, no CNAME)
www vs bare domain	Same network t-a.dk: 104.21.56.56 172.67.178.132 2606:4700:3031::6815:3838 2606:4700:3035::ac43:b284 (AS13335) www.t-a.dk: 104.21.56.56 172.67.178.132 2606:4700:3031::6815:3838 2606:4700:3035::ac43:b284 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.t-a.dk	qeXTRxLh05pkN5LK5_QDpcrPRY-WINcb_qoz-WTC8LM

🔗 TLSA / DANE#

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

🔐 DNSSEC#

61ms

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

🏷️ SOA#

35ms

Field	Value
Serial	2403768502
Primary NS (MNAME)	arnold.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

33ms

54ms

66ms

AAAA

33ms

TXT

214ms

CAA

32ms

HTTPS

56ms

TLSA

155ms

SOA

35ms

MTA-STS

42ms

DNSSEC

61ms

SRV

62ms

Total

667ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 09:54:00	658ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-27 23:13:30	9498ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-23 20:11:55	705ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-06 02:20:42	1274ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 01:55:49	670ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-25 10:40:17	3010ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-08 10:07:41	1415ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-26 03:02:52	894ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 07:02:51	843ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-19 23:06:58 shown	667ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 17:41:13	1528ms	2 NS 2 A 1 MX	🔓 Insecure