jk-gulvvarme.dk
Last scanned: 2026-08-10 22:00:24  ·  19109ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   66ms
NameserverIP addressesPTRASN / ISP
ns1.hostingformule.net 2.58.165.109
2a0f:91c0::15		 web10.hostingformule.nl
—		 AS207843 vBoxx B.V.
AS207843 vBoxx B.V.
ns2.hostingformule.net 2.58.165.109
2a0f:91c0::15		 web10.hostingformule.nl
—		 AS207843 vBoxx B.V.
AS207843 vBoxx B.V.
ns3.hostingformule.net 185.40.99.241 a185-40-99-241.vboxx.nl AS207176 Openfiber B.v.
🌍 A Records1 records   1601ms
IPTTLPTRASNISP / OrgCIDRCountryCity
2.58.165.109 3600s web10.hostingformule.nl AS207843 vBoxx B.V. 2.58.165.0/24 🇳🇱 The Netherlands —
📧 MX Records4 records   80ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx1.sth.nl 185.123.60.111
185.123.61.211		 mail2.sth.host
mail1.sth.host		 AS60781 LeaseWeb Netherlands B.V.
AS39647 Enreach Netherlands B.V.
20 3600s mx2.sth.nl 185.123.60.111
185.123.61.211		 mail2.sth.host
mail1.sth.host		 AS60781 LeaseWeb Netherlands B.V.
AS39647 Enreach Netherlands B.V.
30 3600s mx3.sth.nl 185.123.60.111 mail2.sth.host AS60781 LeaseWeb Netherlands B.V.
40 3600s mx4.sth.nl 185.123.61.211 mail1.sth.host AS39647 Enreach Netherlands B.V.
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   270ms
TXT Record
v=spf1 ip4:149.72.39.137 ip4:178.22.58.4 ip4:2.58.165.109 ip4:178.22.58.5 ip4:149.72.186.86 ip6:2a0f:91c0:0:0:0:0:0:15 ip6:2a0b:3100:100::58:4 include:spf.sth.nl include:spf.mandrillapp.com -all
✉️ SPF
PolicyRecord (jk-gulvvarme.dk)
-all (hard fail) v=spf1 ip4:149.72.39.137 ip4:178.22.58.4 ip4:2.58.165.109 ip4:178.22.58.5 ip4:149.72.186.86 ip6:2a0f:91c0:0:0:0:0:0:15 ip6:2a0b:3100:100::58:4 include:spf.sth.nl include:spf.mandrillapp.com -all
📨 DMARC
PolicyRecord (_dmarc.jk-gulvvarme.dk)
p=reject v=DMARC1;p=reject; ruf=mailto:dmarc@sth.nl
📬 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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC1336ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA65ms
FieldValue
Serial2025031103
Primary NS (MNAME)ns2.hostingformule.net
Responsible (RNAME)hostmaster@jk-gulvvarme.dk
Refresh3600s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
66ms
A
1601ms
MX
80ms
AAAA
63ms
TXT
270ms
CAA
71ms
HTTPS
59ms
TLSA
184ms
SOA
65ms
MTA-STS
96ms
DNSSEC
1336ms
SRV
1005ms
Total
19109ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-10 22:00:24 19109ms 3 NS 1 A 4 MX 🔓 Insecure View
2026-06-23 08:53:24 1620ms 3 NS 1 A 4 MX 🔓 Insecure View
2026-06-18 06:04:46 6619ms 3 NS 1 A 4 MX 🔓 Insecure View
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