ai-guru.dk

📜 Historical scan 2026-10-12 16:52:42 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ai-guru.dk is a .dk domain served by 3 nameservers (ns1.e-studio.dk, ns2.e-studio.dk, ns3.e-studio.dk). It was registered on 20 April 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.200.90.178 is hosted by Christian Ebsen ApS (AS62121) in Denmark. Mail is handled by mail.ai-guru.dk, mx1.spamfri.dk and 2 more. 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#

3 records 86ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.e-studio.dk	195.242.131.5 2001:67c:564:fffc::11	ns1.e-studio.dk ns1.e-studio.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
ns2.e-studio.dk	2a00:1b18:2:3::2 62.69.152.34	ns2.e-studio.dk ns2.e-studio.dk	AS47527 DLX A/S AS47527 DLX A/S
ns3.e-studio.dk	193.200.90.183 2001:67c:564:fffc::13	ns3.e-studio.dk ns3.e-studio.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS

🌍 A Records#

1 records 75ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.200.90.178	300s	web6.e-studio.dk	AS62121	Christian Ebsen ApS	193.200.90.0/23	🇩🇰 Denmark	—

📧 MX Records#

4 records 89ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail.ai-guru.dk	193.200.90.180	web8.e-studio.dk	AS62121 Christian Ebsen ApS
10	300s	mx1.spamfri.dk	195.242.131.16 2001:67c:564:fffd::1001	mx1.spamfri.dk mx1.spamfri.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
20	300s	mx2.spamfri.dk	193.200.91.109 2001:67c:564:fffd::2001	mx2.spamfri.dk mx2.spamfri.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
30	300s	mx3.spamfri.dk	2a00:1b18:2:3:fe::2 62.69.152.43	mx3.spamfri.dk mx3.spamfri.dk	AS47527 DLX A/S AS47527 DLX A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	193.200.90.178
🔶 Autoconfig	193.200.90.178

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 198ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	cpanelemaildiscovery.cpanel.net

📝 TXT Records#

1 records 420ms

TXT Record
v=spf1 a mx include:_spf.e-studio.dk ~all

✉️ SPF#

Policy	Record (ai-guru.dk)
~all (soft fail)	v=spf1 a mx include:_spf.e-studio.dk ~all

📨 DMARC#

Policy	Record (_dmarc.ai-guru.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-16 01:43:27

www CNAME	ai-guru.dk (all on ai-guru.dk) → 193.200.90.178 (AS62121)
www vs bare domain	Same network ai-guru.dk: 193.200.90.178 (AS62121) www.ai-guru.dk: 193.200.90.178 (AS62121)
Wildcard	No
Denial of existence	NSEC3 · 7 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit

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: 3/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.ai-guru.dk	KXFvW8uPLvtQZ-Byj77GpyfmUlPwgbHshRU5wfMxUPU

🔗 TLSA / DANE#

3 records 270ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.spamfri.dk	DANE-EE · SPKI · SHA-256	884451547A03D0AC2F628D943839BAA6…
SMTP _25._tcp.mx2.spamfri.dk	DANE-EE · SPKI · SHA-256	6598C93F79B95376BB8099E9AC862167…
SMTP _25._tcp.mx3.spamfri.dk	DANE-EE · SPKI · SHA-256	BBFB0694919290E5BC9D6E2C6F47D846…

🔐 DNSSEC#

250ms

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

🏷️ SOA#

70ms

Field	Value
Serial	2026101204
Primary NS (MNAME)	ns1.e-studio.dk
Responsible (RNAME)	hostmaster@mailrelay.e-studio.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-13 17:52:38

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2023-04-20
Expires	2027-04-19 (184d)

🔗 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
ai-pro.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

86ms

75ms

89ms

AAAA

96ms

TXT

420ms

CAA

97ms

HTTPS

116ms

TLSA

270ms

SOA

70ms

MTA-STS

152ms

DNSSEC

250ms

SRV

198ms

Total

2001ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 01:43:27	1420ms	3 NS 1 A 4 MX	🔓 Insecure
2026-10-14 20:53:20	761ms	3 NS 1 A 4 MX	🔓 Insecure
2026-10-13 17:32:48	429ms	3 NS 1 A 4 MX	🔓 Insecure
2026-10-12 16:52:42 shown	2001ms	3 NS 1 A 4 MX	🔓 Insecure
2026-10-11 16:14:18	677ms	3 NS 1 A 4 MX	🔓 Insecure
2026-10-10 16:04:28	824ms	3 NS 1 A 4 MX	🔓 Insecure
2026-10-09 11:32:27	2304ms	3 NS 1 A 4 MX	🔓 Insecure
2026-10-08 11:15:39	2764ms	3 NS 1 A 4 MX	🔓 Insecure
2026-10-07 11:07:15	1787ms	3 NS 1 A 4 MX	🔓 Insecure
2026-10-06 10:43:13	1456ms	3 NS 1 A 4 MX	🔓 Insecure
2026-10-05 10:21:28	651ms	3 NS 1 A 4 MX	🔓 Insecure
2026-10-04 10:15:06	654ms	3 NS 1 A 4 MX	🔓 Insecure
2026-10-03 11:59:48	699ms	3 NS 1 A 4 MX	🔓 Insecure
2026-10-02 11:59:18	1928ms	3 NS 1 A 4 MX	🔓 Insecure
2026-10-01 11:56:30	792ms	3 NS 1 A 4 MX	🔓 Insecure
2026-09-30 11:50:30	882ms	3 NS 1 A 4 MX	🔓 Insecure
2026-09-29 11:44:48	715ms	3 NS 1 A 4 MX	🔓 Insecure
2026-09-28 11:40:33	710ms	3 NS 1 A 4 MX	🔓 Insecure
2026-09-27 11:31:56	716ms	3 NS 1 A 4 MX	🔓 Insecure
2026-09-26 11:12:38	751ms	3 NS 1 A 4 MX	🔓 Insecure
2026-09-25 11:06:51	1820ms	3 NS 1 A 4 MX	🔓 Insecure
2026-09-25 05:32:55	763ms	3 NS 1 A 4 MX	🔓 Insecure
2026-09-24 05:09:11	722ms	3 NS 1 A 4 MX	🔓 Insecure
2026-09-22 06:22:24	2416ms	3 NS 1 A 4 MX	🔓 Insecure
2026-09-18 06:37:56	686ms	3 NS 1 A 4 MX	🔓 Insecure