ckb.dk DNS records

🖥️ Nameservers3 records 66ms

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 Records1 records 106ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.242.130.70	14400s	web7.e-studio.dk	AS62121	Christian Ebsen ApS	195.242.130.0/23	🇩🇰 Denmark	—

📧 MX Records4 records 110ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	14400s	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	14400s	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	14400s	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	14400s	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	195.242.130.70
🔶 Autoconfig	195.242.130.70

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 197ms

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

📝 TXT Records1 records 647ms

TXT Record
v=spf1 +include:_spf.e-studio.dk -all

✉️ SPF

Policy	Record (ckb.dk)
-all (hard fail)	v=spf1 +include:_spf.e-studio.dk -all

📨 DMARC

Policy	Record (_dmarc.ckb.dk)
p=none (monitor only)	v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400

📬 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

Type	Name	Value
TXT	_acme-challenge.ckb.dk	INKV1b4IJ0bRIiyYDjzCywkTcleJ4TqFiPDIgRU4x6E

🔗 TLSA / DANE4 records 381ms

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…

🔐 DNSSEC434ms

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

🏷️ SOA0ms

Field	Value
Serial	2026090102
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

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

66ms

A

106ms

MX

110ms

AAAA

103ms

TXT

647ms

CAA

103ms

HTTPS

112ms

TLSA

381ms

SOA

0ms

MTA-STS

154ms

DNSSEC

434ms

SRV

197ms

Total

4514ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 08:31:57	4514ms	3 NS 1 A 4 MX	🔓 Insecure	View
2026-08-30 03:47:57	986ms	3 NS 1 A 4 MX	🔓 Insecure	View
2026-08-28 21:18:03	577ms	3 NS 1 A 4 MX	🔓 Insecure	View
2026-08-27 18:15:12	1043ms	3 NS 1 A 4 MX	🔓 Insecure	View
2026-08-26 17:58:54	560ms	3 NS 1 A 4 MX	🔓 Insecure	View
2026-08-25 05:40:45	2444ms	3 NS 1 A 4 MX	🔓 Insecure	View
2026-08-24 04:57:58	1339ms	3 NS 1 A 4 MX	🔓 Insecure	View
2026-08-23 02:16:28	1174ms	3 NS 1 A 4 MX	🔓 Insecure	View
2026-08-22 02:14:16	17378ms	3 NS 1 A 4 MX	🔓 Insecure	View
2026-08-21 02:03:57	2597ms	3 NS 1 A 4 MX	🔓 Insecure	View
2026-08-20 01:54:15	8669ms	3 NS 1 A 4 MX	🔓 Insecure	View
2026-08-18 23:30:16	5681ms	3 NS 1 A 4 MX	🔓 Insecure	View
2026-08-17 14:31:00	1467ms	3 NS 1 A 4 MX	🔓 Insecure	View
2026-08-16 02:40:19	1245ms	3 NS 1 A 4 MX	🔓 Insecure	View
2026-08-14 15:29:21	6734ms	3 NS 1 A 4 MX	🔓 Insecure	View
2026-08-12 18:24:27	1347ms	3 NS 1 A 4 MX	🔓 Insecure	View
2026-08-11 09:13:07	4323ms	3 NS 1 A 4 MX	🔓 Insecure	View
2026-08-10 06:51:58	1413ms	3 NS 1 A 4 MX	🔓 Insecure	View
2026-08-07 06:42:28	1385ms	3 NS 1 A 4 MX	🔓 Insecure	View
2026-07-30 18:12:37	1297ms	3 NS 1 A 4 MX	❓ Unknown	View
2026-07-29 15:03:58	3153ms	3 NS 1 A 4 MX	🔓 Insecure	View
2026-07-28 01:49:15	2320ms	3 NS 1 A 4 MX	🔓 Insecure	View
2026-07-27 01:34:03	3264ms	3 NS 1 A 4 MX	🔓 Insecure	View
2026-07-26 01:13:10	1120ms	3 NS 1 A 4 MX	🔓 Insecure	View
2026-07-25 00:49:52	17186ms	3 NS 1 A 4 MX	🔓 Insecure	View