theisnet.dk

📜 Historical scan 2026-08-21 10:35:06 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

theisnet.dk is a .dk domain served by 2 nameservers (carlos.ns.cloudflare.com, jasmine.ns.cloudflare.com). It was registered on 21 February 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.165.255.209 is hosted by TDC Holding A/S (AS3292) in Denmark. 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 452ms

Nameserver	IP addresses	PTR	ASN / ISP
carlos.ns.cloudflare.com	108.162.195.112 162.159.44.112 172.64.35.112 2606:4700:58::a29f:2c70 2803:f800:50::6ca2:c370 2a06:98c1:50::ac40:2370	carlos.ns.cloudflare.com carlos.ns.cloudflare.com carlos.ns.cloudflare.com carlos.ns.cloudflare.com carlos.ns.cloudflare.com carlos.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
jasmine.ns.cloudflare.com	108.162.192.170 172.64.32.170 173.245.58.170 2606:4700:50::adf5:3aaa 2803:f800:50::6ca2:c0aa 2a06:98c1:50::ac40:20aa	jasmine.ns.cloudflare.com jasmine.ns.cloudflare.com jasmine.ns.cloudflare.com jasmine.ns.cloudflare.com jasmine.ns.cloudflare.com jasmine.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 332ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.165.255.209	300s	—	AS3292	TDC Holding A/S	93.165.128.0/17	🇩🇰 Denmark	Aarhus

📧 MX Records#

2 records 346ms

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

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	93.165.255.209
🔶 Autoconfig	93.165.255.209

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 1064ms

TXT Record
protonmail-verification=c7d5be8ce7fce32144076f318a0ccabb732f7b1c
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.theisnet.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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 2026-10-18 15:19:32

www	93.165.255.209 (AS3292) (address records, no CNAME)
www vs bare domain	Same network theisnet.dk: 93.165.255.209 (AS3292) www.theisnet.dk: 93.165.255.209 (AS3292)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.theisnet.dk	relWEaRNi6n-Ovu09P5hbzHSb7uu9muR29HRf41ELek
TXT	_acme-challenge.theisnet.dk	saCh0-ACJo2zpIFaqV2EJpAG06bLU28v-ws5r6hk6ss

🔗 TLSA / DANE#

4 records 351ms

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	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…

🔐 DNSSEC#

643ms

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	2412733779
Primary NS (MNAME)	carlos.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-14 12:20:54

Field	Value
Registrar	Simply.com A/S
Registered	2022-02-21
Expires	2027-02-20 (119d)

🔗 Same registrant#

1 domain

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
dronesyn.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

452ms

332ms

346ms

AAAA

401ms

TXT

1064ms

CAA

368ms

HTTPS

544ms

TLSA

351ms

SOA

0ms

MTA-STS

543ms

DNSSEC

643ms

SRV

598ms

Total

12184ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 15:19:32	2512ms	2 NS 1 A 2 MX	🔓 Insecure
2026-10-17 14:22:52	1980ms	2 NS 1 A 2 MX	🔓 Insecure
2026-10-16 13:39:24	751ms	2 NS 1 A 2 MX	🔓 Insecure
2026-10-02 15:06:53	865ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-24 14:16:16	1325ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-23 13:50:11	969ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-16 20:40:27	1504ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-10 11:07:55	1443ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-03 20:30:22	1105ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-30 16:46:42	2787ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-27 10:12:54	980ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-27 03:39:23	9899ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-21 10:35:06 shown	12184ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-20 09:19:40	2478ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-05 12:46:53	1468ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-25 20:59:59	2477ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-24 16:56:18	1029ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-23 04:24:51	1101ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 05:56:33	4727ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-19 23:42:38	2663ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-17 13:16:56	797ms	2 NS 1 A 2 MX	🔓 Insecure