thomastik-infeld.dk

📜 Historical scan 2026-06-22 07:03:43 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

thomastik-infeld.dk is a .dk domain served by 2 nameservers (neil.ns.cloudflare.com, tricia.ns.cloudflare.com). It was registered on 1 September 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.12.41 is hosted by Cloudflare, Inc. (AS13335). The zone is DNSSEC-signed but currently fails validation, 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 33ms

Nameserver	IP addresses	PTR	ASN / ISP
neil.ns.cloudflare.com	108.162.193.211 172.64.33.211 173.245.59.211 2606:4700:58::adf5:3bd3 2803:f800:50::6ca2:c1d3 2a06:98c1:50::ac40:21d3	neil.ns.cloudflare.com neil.ns.cloudflare.com neil.ns.cloudflare.com neil.ns.cloudflare.com neil.ns.cloudflare.com neil.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
tricia.ns.cloudflare.com	108.162.192.232 172.64.32.232 173.245.58.232 2606:4700:50::adf5:3ae8 2803:f800:50::6ca2:c0e8 2a06:98c1:50::ac40:20e8	tricia.ns.cloudflare.com tricia.ns.cloudflare.com tricia.ns.cloudflare.com tricia.ns.cloudflare.com tricia.ns.cloudflare.com tricia.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 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.12.41	600s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.193.166	600s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	172.67.193.166
🔶 Autoconfig	104.21.12.41

🔷 AAAA Records (IPv6)#

2 records 45ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:c29	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:c1a6	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 36ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.12.41,172.67.193.166 ech=AEX+DQBB+AAgACAZDRgWmZnfMEyg/ylLGp2E9y01joSBu+Rks3kxiynuDwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:c29,2606:4700:3035::ac43:c1a6

📝 TXT Records#

1 records 175ms

TXT Record
v=spf1 -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.thomastik-infeld.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:it@thomastik-infeld.com

📬 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 2026-10-09 14:44:07

www	104.21.12.41 172.67.193.166 2606:4700:3030::6815:c29 2606:4700:3032::ac43:c1a6 (AS13335) (address records, no CNAME)
www vs bare domain	Same network thomastik-infeld.dk: 104.21.12.41 172.67.193.166 2606:4700:3030::6815:c29 2606:4700:3032::ac43:c1a6 (AS13335) www.thomastik-infeld.dk: 104.21.12.41 172.67.193.166 2606:4700:3030::6815:c29 2606:4700:3032::ac43:c1a6 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 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#

61ms

Check	Result
Validation Status	⚠️ Bogus
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	broken trust chain resolving 'thomastik-infeld.dk/A/IN': 127.0.0.1#53

🏷️ SOA#

36ms

Field	Value
Serial	2406415851
Primary NS (MNAME)	neil.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-20 08:12:19

Field	Value
Registrar	ASCIO TECHNOLOGIES, CORP. DANMARK - FILIAL AF ASCIO TECHNOLOGIES, CORP. CANADA
Registered	2021-09-01
Expires	2027-09-30 (344d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

33ms

38ms

36ms

AAAA

45ms

TXT

175ms

CAA

36ms

HTTPS

36ms

TLSA

93ms

SOA

36ms

MTA-STS

50ms

DNSSEC

61ms

SRV

70ms

Total

507ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 14:44:07	387ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-06 10:40:55	2321ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-05 07:52:33	603ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-29 07:08:17	576ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-28 06:05:09	677ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-27 05:40:10	612ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-26 05:20:54	722ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-22 12:49:20	1166ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-19 18:01:02	1419ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-12 14:50:06	1051ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-05 14:25:10	513ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-28 10:10:59	596ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-27 18:56:56	498ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-11 02:22:41	1322ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-28 23:44:03	1026ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-23 07:26:36	5659ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-22 12:10:42	987ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 07:03:43 shown	507ms	2 NS 2 A 0 MX	⚠️ Bogus
2026-06-20 23:08:33	2042ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-19 19:22:37	2787ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 12:06:04	1057ms	2 NS 2 A 0 MX	🔓 Insecure