j2c.dk
Last scanned: 2026-08-26 02:28:39  ·  1239ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   64ms
NameserverIP addressesPTRASN / ISP
helium.ns.hetzner.de 193.47.99.5
2001:67c:192c::add:5		 helium.ns.hetzner.de
helium.ns.hetzner.de		 AS12337 noris network AG
AS12337 noris network AG
hydrogen.ns.hetzner.com 213.133.100.98
2a01:4f8:0:1::add:1098		 hydrogen.ns.hetzner.com
hydrogen.ns.hetzner.com		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
oxygen.ns.hetzner.com 2a01:4f8:0:1::add:2992
88.198.229.192		 oxygen.ns.hetzner.com
oxygen.ns.hetzner.com		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
🌍 A Records1 records   69ms
IPTTLPTRASNISP / OrgCIDRCountryCity
78.47.89.142 10800s static.142.89.47.78.clients.your-server.de AS24940 Hetzner Online GmbH 78.46.0.0/15 🇩🇪 Germany Falkenstein
📧 MX Records1 records   76ms
PriorityTTLMail ServerIP addressesPTRASN
10 10800s mx1.j2c.dk 88.99.37.222 mx1.j2c.dk AS24940 Hetzner Online GmbH
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscovermx1.j2c.dk → 88.99.37.222
🔶 Autoconfigmx1.j2c.dk → 88.99.37.222
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   126ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 20 443 mx1.j2c.dk
📝 TXT Records2 records   338ms
TXT Record
google-site-verification=D2VsaTvKLDt-vxzzVQk_uX0nYzpocxwYFae9EcjCixY
v=spf1 mx ip4:88.99.37.222/32 ip4:94.130.229.78/32 -all
✉️ SPF
PolicyRecord (j2c.dk)
-all (hard fail) v=spf1 mx ip4:88.99.37.222/32 ip4:94.130.229.78/32 -all
📨 DMARC
PolicyRecord (_dmarc.j2c.dk)
p=reject v=DMARC1; p=reject; pct=100; rua=mailto:dmarc@j2c.dk; ruf=mailto:dmarc@j2c.dk; sp=reject; adkim=s; aspf=s
📬 MTA-STS
✗ No MTA-STS policy — SMTP TLS not enforced
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records1 records   70ms
FlagsTagValue
0 issue letsencrypt.org
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC110ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026081201
Primary NS (MNAME)hydrogen.ns.hetzner.com
Responsible (RNAME)dns@hetzner.com
Refresh86400s
Retry10800s
Expire3600000s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
64ms
A
69ms
MX
76ms
AAAA
74ms
TXT
338ms
CAA
70ms
HTTPS
66ms
TLSA
369ms
SOA
0ms
MTA-STS
115ms
DNSSEC
110ms
SRV
126ms
Total
1239ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 02:28:39 1239ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-08-13 15:09:28 3414ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-21 07:59:46 2018ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-18 07:23:15 846ms 3 NS 1 A 1 MX 🔓 Insecure View
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