carstenholst.dk
Last scanned: 2026-08-28 03:14:39  ·  1013ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   21ms
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 Records1 records   53ms
IPTTLPTRASNISP / OrgCIDRCountryCity
92.113.145.52 300s holstweb.dk AS44803 Webdock.io ApS 92.113.144.0/21 🇩🇰 Denmark Nørre Åby
📧 MX Records4 records   50ms
PriorityTTLMail ServerIP addressesPTRASN
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
62.69.152.43		 mx3.spamfri.dk
43.34-46.152.69.62.in-addr.arpa
mx3.spamfri.dk		 AS47527 DLX A/S
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
ServiceCNAME / IP
🔷 Autodiscover193.200.90.102
🔶 Autoconfig193.200.90.102
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   63ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 cpanelemaildiscovery.cpanel.net
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 DMARC
PolicyRecord (_dmarc.carstenholst.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
🔏 ACME Challenge
TypeNameValue
TXT _acme-challenge.carstenholst.dk zrctBGUWO29cw9omg8EiXmcEylVLkLF8w6XV37xRKzo
🔗 TLSA / DANE4 records   452ms
Service / OwnerTypeCert 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…
🔐 DNSSEC88ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026080400
Primary NS (MNAME)ns1.e-studio.dk
Responsible (RNAME)hostmaster@mailrelay.e-studio.dk
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
21ms
A
53ms
MX
50ms
AAAA
38ms
TXT
132ms
CAA
42ms
HTTPS
31ms
TLSA
452ms
SOA
0ms
MTA-STS
51ms
DNSSEC
88ms
SRV
63ms
Total
1013ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 03:14:39 1013ms 3 NS 1 A 4 MX 🔓 Insecure View
2026-08-25 09:19:57 2613ms 3 NS 1 A 4 MX 🔓 Insecure View
2026-08-05 16:41:29 3243ms 3 NS 1 A 4 MX 🔓 Insecure View
2026-07-29 18:54:53 27184ms 2 NS 0 A 0 MX ❓ Unknown View
2026-07-28 11:01:07 17332ms 2 NS 0 A 0 MX ❓ Unknown View
2026-07-27 09:40:01 1070ms 2 NS 0 A 0 MX ⚠️ Bogus View
2026-07-26 08:41:48 953ms 2 NS 0 A 0 MX ⚠️ Bogus View
2026-07-25 08:07:48 10067ms 2 NS 0 A 0 MX ⚠️ Bogus View
2026-07-24 07:43:00 1481ms 2 NS 0 A 0 MX ⚠️ Bogus View
2026-07-23 06:34:14 1105ms 2 NS 0 A 0 MX ⚠️ Bogus View
2026-07-22 03:21:55 902ms 2 NS 0 A 0 MX ⚠️ Bogus View
2026-07-20 08:19:18 8591ms 2 NS 0 A 0 MX ⚠️ Bogus View
2026-07-19 03:03:26 842ms 2 NS 0 A 0 MX ⚠️ Bogus View
2026-07-18 01:49:41 8682ms 2 NS 0 A 0 MX ⚠️ Bogus View
2026-07-15 23:15:55 970ms 2 NS 0 A 0 MX ⚠️ Bogus View
2026-07-13 15:33:36 8615ms 2 NS 0 A 0 MX ⚠️ Bogus View
2026-07-12 00:28:07 982ms 2 NS 0 A 0 MX ⚠️ Bogus View
2026-07-10 09:57:15 27334ms 2 NS 0 A 0 MX ❓ Unknown View
2026-07-08 13:46:21 1037ms 2 NS 0 A 0 MX ⚠️ Bogus View
2026-07-06 16:42:06 65535ms 2 NS 0 A 0 MX ❓ Unknown View
2026-07-05 14:46:26 1356ms 2 NS 0 A 0 MX ⚠️ Bogus View
2026-07-04 10:25:02 47114ms 2 NS 0 A 0 MX ❓ Unknown View
2026-07-02 22:23:13 848ms 2 NS 0 A 0 MX ⚠️ Bogus View
2026-06-23 04:26:59 1120ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-21 00:37:32 579ms 0 NS 0 A 0 MX ⚠️ Bogus View
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