josto.dk

📜 Historical scan 2026-06-20 14:55:10 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

josto.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.247.71.82 is hosted by Rackhosting.com ApS (AS31590) in Denmark. Mail is handled by mail.josto.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#

2 records 125ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 129ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.247.71.82	43200s	vps372.rackhosting.com	AS31590	Rackhosting.com ApS	77.247.64.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 121ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	mail.josto.dk	77.247.71.82	vps372.rackhosting.com	AS31590 Rackhosting.com ApS

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 188ms

Service	Priority	Weight	Port	Target
_imaps._tcp	0	0	993	josto.dk

📝 TXT Records#

1 records 439ms

TXT Record
v=spf1 +a +mx +a:vps372.rackhosting.com include:spf.rackhosting.com -all

✉️ SPF#

Policy	Record (josto.dk)
-all (hard fail)	v=spf1 +a +mx +a:vps372.rackhosting.com include:spf.rackhosting.com -all

📨 DMARC#

Policy	Record (_dmarc.josto.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 2026-10-08 04:20:14

www CNAME	josto.dk (all on josto.dk) → 77.247.71.82 (AS31590)
www vs bare domain	Same network josto.dk: 77.247.71.82 (AS31590) www.josto.dk: 77.247.71.82 (AS31590)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

222ms

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

🏷️ SOA#

138ms

Field	Value
Serial	2024060301
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

125ms

129ms

121ms

AAAA

132ms

TXT

439ms

CAA

128ms

HTTPS

122ms

TLSA

210ms

SOA

138ms

MTA-STS

136ms

DNSSEC

222ms

SRV

188ms

Total

1088ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-13 12:14:28	456ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-12 07:37:33	561ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 05:45:56	599ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 14:55:10 shown	1088ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 20:41:35	647ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 12:55:01	5860ms	2 NS 1 A 1 MX	🔒 Secure