jost.dk
Last scanned: 2026-09-01 13:52:05  ·  819ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   47ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
🌍 A Records1 records   49ms
IPTTLPTRASNISP / OrgCIDRCountryCity
91.226.144.216 600s — AS216275 Netnoerden ApS 91.226.144.0/23 🇩🇰 Denmark Copenhagen
📧 MX Records2 records   57ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s mail.jost.dk 91.226.144.216 — AS216275 Netnoerden ApS
15 600s mx2.jost.dk 185.139.228.78 — AS36007 Kamatera, Inc.
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   162ms
TXT Record
google-site-verification=FfcFGfNeGmBBOMVUN4f-z0G5XhOClEeXNOCMQXM0xNM
v=spf1 ip4:80.167.254.38 ip4:91.226.144.216 ip4:185.139.228.78 include:spf.smtp2go.com -all
✉️ SPF
PolicyRecord (jost.dk)
-all (hard fail) v=spf1 ip4:80.167.254.38 ip4:91.226.144.216 ip4:185.139.228.78 include:spf.smtp2go.com -all
📨 DMARC
PolicyRecord (_dmarc.jost.dk)
p=reject v=DMARC1; p=reject; rua=mailto:1ys2gnwa@ag.dmarcian-eu.com
📬 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.jost.dk j1LWcipT2sy4PJ2VzvhXsXVtDV4N2I8MgvZ0Bh9kbsE
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC89ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082004
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
47ms
A
49ms
MX
57ms
AAAA
55ms
TXT
162ms
CAA
69ms
HTTPS
53ms
TLSA
68ms
SOA
0ms
MTA-STS
56ms
DNSSEC
89ms
SRV
58ms
Total
819ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-01 13:52:05 819ms 3 NS 1 A 2 MX 🔒 Secure View
2026-09-01 00:31:24 745ms 3 NS 1 A 2 MX 🔒 Secure View
2026-08-21 14:28:32 6141ms 3 NS 1 A 2 MX 🔒 Secure View
2026-08-20 14:20:18 6258ms 3 NS 1 A 2 MX 🔒 Secure View
2026-07-02 06:08:34 717ms 3 NS 1 A 2 MX 🔒 Secure View
2026-06-24 21:59:15 5593ms 3 NS 1 A 2 MX 🔒 Secure View
2026-06-21 02:32:57 870ms 3 NS 1 A 2 MX 🔒 Secure View
2026-06-20 16:00:31 1371ms 3 NS 1 A 2 MX 🔒 Secure View
2026-06-17 12:11:16 982ms 3 NS 1 A 2 MX 🔒 Secure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone