jsa.dk

📜 Historical scan 2026-06-18 18:44:01 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jsa.dk is a .dk domain served by 3 nameservers (ns1.dns.services, ns2.dns.services, ns3.dns.services). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.242.131.71 is hosted by Christian Ebsen ApS (AS62121) in Denmark. Mail is handled by mx1-dk.centerasecurity.dk, mx2-dk.centerasecurity.dk. The zone is DNSSEC-signed and validates, 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 46ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dns.services	195.242.131.6 2001:67c:564:ffff::11	ns1.dns.services ns1.dns.services	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
ns2.dns.services	2a00:1b18:2:3:3::2 62.69.152.37	ns2.dns.services 37.34-46.152.69.62.in-addr.arpa	AS47527 DLX A/S AS47527 DLX A/S
ns3.dns.services	185.55.197.53	ns3.dns.services	AS60153 Inpadi ApS

🌍 A Records#

1 records 131ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.242.131.71	86400s	web5.e-studio.dk	AS62121	Christian Ebsen ApS	195.242.130.0/23	🇩🇰 Denmark	—

📧 MX Records#

2 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mx1-dk.centerasecurity.dk	128.76.60.167 128.76.60.187 89.233.19.127 89.233.19.127 89.233.19.188 89.233.19.188	mx6.centerasecurity.dk mx6.centerasecurity.dk 127.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk 188.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3292 TDC Holding A/S AS3308 Norlys Telco A/S AS3308 Norlys Telco A/S AS3308 Norlys Telco A/S AS3308 Norlys Telco A/S
20	600s	mx2-dk.centerasecurity.dk	128.76.60.168 128.76.60.169 89.233.19.128 89.233.19.128 89.233.19.129 89.233.19.129	mx6.centerasecurity.dk mx6.centerasecurity.dk 128.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk 129.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3292 TDC Holding A/S AS3308 Norlys Telco A/S AS3308 Norlys Telco A/S AS3308 Norlys Telco A/S AS3308 Norlys Telco A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 167ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	mail.jsa.dk

📝 TXT Records#

3 records 266ms

TXT Record
_s14i1i6n5wny3ytf7st0mwveafg8wat
MS=A4BDDE5A6A833E9E64D0DB40EBCC9AF419A8EE00
v=spf1 mx a include:_spf.centerasecurity.dk include:_spf.e-studio.dk ~all

✉️ SPF#

Policy	Record (jsa.dk)
~all (soft fail)	v=spf1 mx a include:_spf.centerasecurity.dk include:_spf.e-studio.dk ~all

📨 DMARC#

Policy	Record (_dmarc.jsa.dk)
p=reject	v=DMARC1; p=reject;

📬 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 2026-10-08 16:41:49

www CNAME	jsa.dk (all on jsa.dk) → 195.242.131.71 (AS62121)
www vs bare domain	Same network jsa.dk: 195.242.131.71 (AS62121) www.jsa.dk: 195.242.131.71 (AS62121)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

4 records 98ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx1-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx2-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx2-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…

🔐 DNSSEC#

69ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

100ms

Field	Value
Serial	2022072038
Primary NS (MNAME)	ns1.dns.services
Responsible (RNAME)	post@dns.services
Refresh	10800s
Retry	3600s
Expire	1814400s
Minimum (neg-cache TTL)	7200s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

46ms

131ms

43ms

AAAA

111ms

TXT

266ms

CAA

44ms

HTTPS

50ms

TLSA

98ms

SOA

100ms

MTA-STS

104ms

DNSSEC

69ms

SRV

167ms

Total

1015ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 16:41:49	556ms	3 NS 1 A 2 MX	🔒 Secure
2026-09-26 10:59:46	653ms	3 NS 1 A 2 MX	🔒 Secure
2026-09-02 03:01:23	966ms	3 NS 1 A 2 MX	🔒 Secure
2026-06-28 00:01:41	1271ms	3 NS 1 A 2 MX	🔒 Secure
2026-06-22 10:49:23	1107ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 07:11:19	1420ms	3 NS 1 A 2 MX	🔒 Secure
2026-06-18 18:44:01 shown	1015ms	3 NS 1 A 2 MX	🔒 Secure
2026-06-18 02:54:21	845ms	3 NS 1 A 2 MX	🔒 Secure
2026-06-18 02:53:38	938ms	3 NS 1 A 2 MX	🔒 Secure