thomasl.dk

📜 Historical scan 2026-09-23 12:36:23 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

thomasl.dk is a .dk domain served by 2 nameservers (holly.ns.cloudflare.com, howard.ns.cloudflare.com). It was registered on 2 September 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.10.174 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.zoho.eu, mx2.zoho.eu and 1 more. The zone is DNSSEC-signed and validates, publishes a 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 51ms

Nameserver	IP addresses	PTR	ASN / ISP
holly.ns.cloudflare.com	108.162.194.133 162.159.38.133 172.64.34.133 2606:4700:50::a29f:2685 2803:f800:50::6ca2:c285 2a06:98c1:50::ac40:2285	holly.ns.cloudflare.com holly.ns.cloudflare.com holly.ns.cloudflare.com holly.ns.cloudflare.com holly.ns.cloudflare.com holly.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
howard.ns.cloudflare.com	108.162.195.171 162.159.44.171 172.64.35.171 2606:4700:58::a29f:2cab 2803:f800:50::6ca2:c3ab 2a06:98c1:50::ac40:23ab	howard.ns.cloudflare.com howard.ns.cloudflare.com howard.ns.cloudflare.com howard.ns.cloudflare.com howard.ns.cloudflare.com howard.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 63ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.10.174	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.146.37	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mx.zoho.eu	185.230.214.166 185.230.214.166 185.230.214.166	mx2.zoho.eu mx.zoho.eu mx3.zoho.eu	AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V
20	600s	mx2.zoho.eu	185.230.214.166 185.230.214.166 185.230.214.166	mx2.zoho.eu mx.zoho.eu mx3.zoho.eu	AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V
50	600s	mx3.zoho.eu	89.36.170.166 89.36.170.166 89.36.170.166	mx.zoho.eu mx3.zoho.eu mx2.zoho.eu	AS41913 Computerline GmbH AS41913 Computerline GmbH AS41913 Computerline GmbH

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.10.174
🔶 Autoconfig	172.67.146.37

🔷 AAAA Records (IPv6)#

2 records 46ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:9225	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:aae	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 38ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.10.174,172.67.146.37 ech=AEX+DQBBJAAgACCTuwGZ5klhCDps6fSZeh/rhFGvB6eMroxS34GSMc3LBgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:9225,2606:4700:3035::6815:aae

📝 TXT Records#

2 records 241ms

TXT Record
v=spf1 include:zohomail.eu ~all
zoho-verification=zb44856003.zmverify.zoho.eu

✉️ SPF#

Policy	Record (thomasl.dk)
~all (soft fail)	v=spf1 include:zohomail.eu ~all

📨 DMARC#

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

📬 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 15:38:25

www	104.21.10.174 172.67.146.37 2606:4700:3033::ac43:9225 2606:4700:3035::6815:aae (AS13335) (address records, no CNAME)
www vs bare domain	Same network thomasl.dk: 104.21.10.174 172.67.146.37 2606:4700:3033::ac43:9225 2606:4700:3035::6815:aae (AS13335) www.thomasl.dk: 104.21.10.174 172.67.146.37 2606:4700:3033::ac43:9225 2606:4700:3035::6815:aae (AS13335)
Wildcard	Yes: any name under the zone resolves
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: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2052ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415142207
Primary NS (MNAME)	holly.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-15 15:48:08

Field	Value
Registrar	Simply.com A/S
Registered	2005-09-02
Expires	2027-09-30 (347d)

🔗 Same registrant#

4 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).

Domain	Registrar
bitstale.dk	Simply.com A/S
fodboldligaen.dk	Simply.com A/S
ifiktion.dk	Simply.com A/S
simsport.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

51ms

63ms

43ms

AAAA

46ms

TXT

241ms

CAA

43ms

HTTPS

38ms

TLSA

215ms

SOA

0ms

MTA-STS

68ms

DNSSEC

2052ms

SRV

88ms

Total

2734ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 15:38:25	1450ms	2 NS 2 A 3 MX	🔒 Secure
2026-09-29 13:48:28	1328ms	2 NS 2 A 3 MX	🔒 Secure
2026-09-23 12:36:23 shown	2734ms	2 NS 2 A 3 MX	🔒 Secure
2026-09-19 05:49:44	980ms	2 NS 2 A 3 MX	🔒 Secure
2026-09-17 23:04:56	1560ms	2 NS 2 A 3 MX	🔒 Secure
2026-09-10 21:41:07	2001ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-03 19:05:07	701ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-29 13:37:11	1854ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-28 10:16:25	663ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-27 10:09:10	1463ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-25 14:45:31	3174ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-19 00:24:31	8915ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-12 01:25:15	3269ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-19 04:08:19	3638ms	2 NS 2 A 2 MX	🔒 Secure
2026-06-27 04:28:22	1104ms	2 NS 2 A 2 MX	🔒 Secure
2026-06-21 01:21:45	686ms	2 NS 2 A 2 MX	🔒 Secure
2026-06-18 07:06:44	972ms	2 NS 2 A 2 MX	🔒 Secure