ahrendt.dk

Records from scan: 2026-10-10 16:02:40 · 1732ms total · last checked 2026-10-16 00:36 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ahrendt.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 5 May 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.242.131.2 is hosted by Christian Ebsen ApS (AS62121) in Denmark. Mail is handled by mx1.spamfri.dk, mx2.spamfri.dk and 1 more. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 36ms

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 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.242.131.2	14400s	web.e-studio.dk	AS62121	Christian Ebsen ApS	195.242.130.0/23	🇩🇰 Denmark	—

📧 MX Records#

3 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	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	3600s	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	3600s	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	195.242.131.2
🔶 Autoconfig	195.242.131.2

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 59ms

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

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

Policy	Record (_dmarc.ahrendt.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#

checked 2026-10-10 16:02:40

www CNAME	ahrendt.dk (all on ahrendt.dk) → 195.242.131.2 (AS62121)
www vs bare domain	Same network ahrendt.dk: 195.242.131.2 (AS62121) www.ahrendt.dk: 195.242.131.2 (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.

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.ahrendt.dk	TjkYUEy5IFZjWLelWv7z4GTTLhz4RQfmW4ynWkcamCk

🔗 TLSA / DANE#

3 records 78ms

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#

116ms

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

🏷️ SOA#

42ms

Field	Value
Serial	2026101001
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 2026-10-10 16:45:04

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-05-05
Expires	2027-06-30 (256d)

📋 WHOIS#

⏱️ Lookup Timing#

36ms

35ms

31ms

AAAA

26ms

TXT

145ms

CAA

1149ms

HTTPS

29ms

TLSA

78ms

SOA

42ms

MTA-STS

45ms

DNSSEC

116ms

SRV

59ms

Total

1732ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 16:02:40 shown	1732ms	3 NS 1 A 3 MX	🔓 Insecure
2026-10-09 14:39:39	887ms	3 NS 1 A 3 MX	🔓 Insecure
2026-09-30 23:52:29	757ms	3 NS 1 A 3 MX	🔓 Insecure
2026-09-29 22:12:32	2393ms	3 NS 1 A 3 MX	🔓 Insecure
2026-09-26 22:54:50	9554ms	3 NS 1 A 3 MX	🔓 Insecure
2026-08-10 17:06:12	996ms	3 NS 1 A 3 MX	🔓 Insecure
2026-06-25 16:24:42	732ms	3 NS 1 A 3 MX	🔓 Insecure
2026-06-19 20:23:45	614ms	3 NS 1 A 3 MX	🔓 Insecure
2026-06-16 12:51:27	1584ms	3 NS 1 A 3 MX	🔓 Insecure