42s.dk

📜 Historical scan 2026-10-07 20:18:04 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

42s.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 15 September 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.200.90.102 is hosted by Christian Ebsen ApS (AS62121) in Denmark. Mail is handled by mx4.spamfri.dk, mx2.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 32ms

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 18ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.200.90.102	14400s	web9.e-studio.dk	AS62121	Christian Ebsen ApS	193.200.90.0/23	🇩🇰 Denmark	—

📧 MX Records#

4 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx4.spamfri.dk	193.200.91.108 2001:67c:564:fffd::4001	mx4.spamfri.dk mx4.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
40	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

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	193.200.90.102
🔶 Autoconfig	193.200.90.102

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 65ms

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

📝 TXT Records#

1 records 160ms

TXT Record
v=spf1 +a +mx +ip4:193.200.90.102 include:_spf.e-studio.dk ~all

✉️ SPF#

Policy	Record (42s.dk)
~all (soft fail)	v=spf1 +a +mx +ip4:193.200.90.102 include:_spf.e-studio.dk ~all

📨 DMARC#

Policy	Record (_dmarc.42s.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 2026-10-11 07:13:40

www CNAME	42s.dk (all on 42s.dk) → 193.200.90.102 (AS62121)
www vs bare domain	Same network 42s.dk: 193.200.90.102 (AS62121) www.42s.dk: 193.200.90.102 (AS62121)
Wildcard	No

✍️ 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.42s.dk	nbUPfhHT6YvG8kNcljL8tEpjER06uO2OD6byxsjKBiY

🔗 TLSA / DANE#

4 records 69ms

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…
SMTP _25._tcp.mx4.spamfri.dk	DANE-EE · SPKI · SHA-256	4EE743A99328AEF5142706CA5FD3AD61…

🔐 DNSSEC#

93ms

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

🏷️ SOA#

50ms

Field	Value
Serial	2026081001
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 2026-10-11 07:40:26

Field	Value
Registrar	dns.services ApS
Registered	2014-09-15
Expires	2027-09-30 (348d)

📋 WHOIS#

⏱️ Lookup Timing#

32ms

18ms

32ms

AAAA

29ms

TXT

160ms

CAA

51ms

HTTPS

47ms

TLSA

69ms

SOA

50ms

MTA-STS

39ms

DNSSEC

93ms

SRV

65ms

Total

635ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 07:13:39	3436ms	3 NS 1 A 4 MX	🔓 Insecure
2026-10-07 20:18:04 shown	635ms	3 NS 1 A 4 MX	🔓 Insecure
2026-09-29 17:05:37	569ms	3 NS 1 A 4 MX	🔓 Insecure
2026-08-16 13:34:07	3974ms	3 NS 1 A 4 MX	🔓 Insecure
2026-08-10 22:13:24	17431ms	3 NS 1 A 4 MX	❓ Unknown
2026-06-16 12:44:57	673ms	3 NS 1 A 4 MX	🔓 Insecure