thostr.dk

📜 Historical scan 2026-10-02 20:11:34 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

thostr.dk is a .dk domain served by 2 nameservers (cruz.ns.cloudflare.com, dilbert.ns.cloudflare.com). It was registered on 22 July 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is not DNSSEC-signed, 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#

2 records 30ms

Nameserver	IP addresses	PTR	ASN / ISP
cruz.ns.cloudflare.com	108.162.192.88 172.64.32.88 173.245.58.88 2606:4700:50::adf5:3a58 2803:f800:50::6ca2:c058 2a06:98c1:50::ac40:2058	cruz.ns.cloudflare.com cruz.ns.cloudflare.com cruz.ns.cloudflare.com cruz.ns.cloudflare.com cruz.ns.cloudflare.com cruz.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
dilbert.ns.cloudflare.com	108.162.193.155 172.64.33.155 173.245.59.155 2606:4700:58::adf5:3b9b 2803:f800:50::6ca2:c19b 2a06:98c1:50::ac40:219b	dilbert.ns.cloudflare.com dilbert.ns.cloudflare.com dilbert.ns.cloudflare.com dilbert.ns.cloudflare.com dilbert.ns.cloudflare.com dilbert.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 MX Records#

2 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.protonmail.ch	176.119.200.128 185.205.70.128 185.70.42.128	mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
20	300s	mailsec.protonmail.ch	176.119.200.129 185.205.70.129 185.70.42.129	mailsec.protonmail.ch mailsec.protonmail.ch mailsec.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

4 records 179ms

TXT Record
pm-verification=cmpcazffmseyyvpdcsohfojsqwwrot
protonmail-verification=9d8859f82457c51e920dc49f9083e4490d53b0e4
tailscale-verification=cecnEv95nrfu58vxqvVYvGRjhTXPxsKkhreRKuPKmicL
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF#

Policy	Record (thostr.dk)
~all (soft fail)	v=spf1 include:_spf.protonmail.ch ~all

📨 DMARC#

Policy	Record (_dmarc.thostr.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;

📬 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 2026-10-14 09:47:49

www	Exists, no address
www vs bare domain	Neither resolves thostr.dk: no address www.thostr.dk: no address
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Delete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

6 found

Selector	CNAME	Key
default	—	Revoked (empty key)
dkim	—	Revoked (empty key)
k1	—	Revoked (empty key)
mail	—	Revoked (empty key)
s1	—	Revoked (empty key)
s2	—	Revoked (empty key)

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

4 records 61ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…

🔐 DNSSEC#

62ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

23ms

Field	Value
Serial	2415945518
Primary NS (MNAME)	cruz.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-04 20:30:43

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2016-07-22
Expires	2028-07-31 (648d)

📋 WHOIS#

⏱️ Lookup Timing#

30ms

33ms

34ms

AAAA

30ms

TXT

179ms

CAA

42ms

HTTPS

38ms

TLSA

61ms

SOA

23ms

MTA-STS

51ms

DNSSEC

62ms

SRV

69ms

Total

506ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 09:47:49	1799ms	2 NS 0 A 2 MX	🔓 Insecure
2026-10-10 05:36:00	1150ms	2 NS 0 A 2 MX	🔓 Insecure
2026-10-05 20:32:32	1027ms	2 NS 0 A 2 MX	🔓 Insecure
2026-10-04 20:26:33	2312ms	2 NS 0 A 2 MX	🔓 Insecure
2026-10-03 20:14:12	2330ms	2 NS 0 A 2 MX	🔓 Insecure
2026-10-02 20:11:34 shown	506ms	2 NS 0 A 2 MX	🔓 Insecure
2026-09-27 07:04:59	808ms	2 NS 0 A 2 MX	🔓 Insecure
2026-09-26 07:00:26	2443ms	2 NS 0 A 2 MX	🔓 Insecure
2026-09-26 05:36:23	1171ms	2 NS 0 A 2 MX	🔓 Insecure
2026-09-23 04:24:06	1247ms	2 NS 0 A 2 MX	🔓 Insecure
2026-09-20 07:33:49	713ms	2 NS 0 A 2 MX	🔓 Insecure
2026-09-18 03:56:45	1211ms	2 NS 0 A 2 MX	🔓 Insecure
2026-09-14 09:06:35	868ms	2 NS 0 A 2 MX	🔓 Insecure
2026-08-27 00:25:36	568ms	2 NS 0 A 2 MX	🔓 Insecure
2026-08-10 14:40:19	1271ms	2 NS 0 A 2 MX	🔓 Insecure
2026-08-07 10:22:35	3059ms	2 NS 0 A 2 MX	🔓 Insecure
2026-07-17 07:29:54	16954ms	2 NS 0 A 2 MX	🔓 Insecure
2026-07-10 23:32:15	2193ms	2 NS 0 A 2 MX	🔓 Insecure
2026-06-26 17:56:30	871ms	2 NS 0 A 2 MX	🔓 Insecure
2026-06-20 09:52:36	547ms	2 NS 0 A 2 MX	🔓 Insecure
2026-06-18 04:33:44	980ms	2 NS 0 A 2 MX	🔓 Insecure