mailsystem.dk

📜 Historical scan 2026-10-06 04:07:02  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mailsystem.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 3 February 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.242.131.64 is hosted by Christian Ebsen ApS (AS62121) in Denmark. Mail is handled by mailsystem.dk. The zone is DNSSEC-signed and validates, has no 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   137ms
NameserverIP addressesPTRASN / 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   134ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.242.131.64 14400s web2.e-studio.dk AS62121 Christian Ebsen ApS 195.242.130.0/23 🇩🇰 Denmark —

📧 MX Records#

1 records   144ms
PriorityTTLMail ServerIP addressesPTRASN
0 14400s mailsystem.dk 195.242.131.64 web2.e-studio.dk AS62121 Christian Ebsen ApS

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover195.242.131.64
🔶 Autoconfig195.242.131.64

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   263ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 cpanelemaildiscovery.cpanel.net

📝 TXT Records#

1 records   470ms
TXT Record
v=spf1 ip4:195.242.131.64 include:_spf.e-studio.dk +a +mx ~all

✉️ SPF#

PolicyRecord (mailsystem.dk)
~all (soft fail) v=spf1 ip4:195.242.131.64 include:_spf.e-studio.dk +a +mx ~all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-17 19:03:17
www CNAMEmailsystem.dk (all on mailsystem.dk)
www vs bare domainSame network
mailsystem.dk: 195.242.131.64 (AS62121)
www.mailsystem.dk: 195.242.131.64 (AS62121)
WildcardNo
Denial of existenceNSEC3 · 7 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
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#

TypeNameValue
TXT _acme-challenge.mailsystem.dk z11awvlm98q9NjSr-a6H53kJOTgP3JB43p0I-r87K3g

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

369ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

64ms
FieldValue
Serial2026100507
Primary NS (MNAME)ns1.e-studio.dk
Responsible (RNAME)hostmaster@e-studio.dk
Refresh3600s
Retry7200s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-13 16:21:32
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2004-02-03
Expires2027-02-28 (133d)

🔗 Same registrant#

0 domains

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).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
137ms
A
134ms
MX
144ms
AAAA
187ms
TXT
470ms
CAA
137ms
HTTPS
178ms
TLSA
187ms
SOA
64ms
MTA-STS
208ms
DNSSEC
369ms
SRV
263ms
Total
2068ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-17 19:03:17 409ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-16 19:00:44 1645ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-15 18:43:34 353ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-14 17:59:07 595ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-13 15:56:37 396ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-12 07:47:31 351ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-11 07:26:27 462ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-10 06:37:26 1618ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-09 06:09:02 2011ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-08 06:05:57 1772ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-07 06:02:45 1946ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-06 04:07:02 shown 2068ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-05 03:59:15 337ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-04 03:53:22 566ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-03 03:52:15 953ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-02 03:48:44 566ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-01 03:44:10 506ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-30 18:41:30 605ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-29 18:34:31 417ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-29 09:19:14 525ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-28 08:51:30 652ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-27 08:28:48 543ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-26 08:21:02 499ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-25 20:05:59 535ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-24 19:53:32 512ms 3 NS 1 A 1 MX 🔒 Secure
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