thomastik-infeld.dk

📜 Historical scan 2026-09-28 06:05:09 · ← 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 not DNSSEC-signed, 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 52ms

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 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.12.41	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.193.166	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.12.41
🔶 Autoconfig	104.21.12.41

🔷 AAAA Records (IPv6)#

2 records 37ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:c29	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::ac43:c1a6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 37ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.12.41,172.67.193.166 ech=AEX+DQBBkAAgACDpyBXSgx4JC5zCezLA7rN0dHy2APSLOq3ni9z/ASPJTgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:c29,2606:4700:3032::ac43:c1a6

📝 TXT Records#

1 records 182ms

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

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.thomastik-infeld.dk	DwKMT8LLQC5g3BwaXw6UbLY7LplY7ApXOUD0kBgpStE
TXT	_acme-challenge.thomastik-infeld.dk	jiPrHZElVYp2CcU0Itq-srNOECiAunBScxqE2DcJ0PI

🔗 TLSA / DANE#

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

🔐 DNSSEC#

122ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2416000119
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 2026-10-05 08:37:05

Field	Value
Registrar	ASCIO TECHNOLOGIES, CORP. DANMARK - FILIAL AF ASCIO TECHNOLOGIES, CORP. CANADA
Registered	2021-09-01
Expires	2027-09-30 (345d)

📋 WHOIS#

⏱️ Lookup Timing#

52ms

39ms

44ms

AAAA

37ms

TXT

182ms

CAA

47ms

HTTPS

37ms

TLSA

57ms

SOA

0ms

MTA-STS

57ms

DNSSEC

122ms

SRV

78ms

Total

677ms

🕐 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 shown	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	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