jcelteknik.dk
Last scanned: 2026-09-06 20:59:00  ·  1065ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   124ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S
🌍 A Records1 records   143ms
IPTTLPTRASNISP / OrgCIDRCountryCity
162.159.135.42 3600s — AS13335 Cloudflare, Inc. 162.159.128.0/19 — —
📧 MX Records4 records   149ms
PriorityTTLMail ServerIP addressesPTRASN
10 10800s mx1.pub.mailpod14-cph3.one.com 185.10.9.212 mx1.pub.mailpod14-cph3.one.com AS51468 One.com A/S
10 10800s mx2.pub.mailpod14-cph3.one.com 185.10.9.213 mx2.pub.mailpod14-cph3.one.com AS51468 One.com A/S
10 10800s mx3.pub.mailpod14-cph3.one.com 185.10.9.214 mx3.pub.mailpod14-cph3.one.com AS51468 One.com A/S
10 10800s mx4.pub.mailpod14-cph3.one.com 185.10.9.215 mx4.pub.mailpod14-cph3.one.com AS51468 One.com A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover46.30.213.173
🔶 Autoconfig46.30.213.173
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records3 records   399ms
TXT Record
ca3-272c4bfdceb84994b0eea2fbc5158095
ca3-e1b51fcda94647ffa67bb31e9ed88506
v=spf1 include:_custspf.one.com include:relay.kinstamailservice.com include:relay.mailchannels.net ip4:162.159.135.42 ~all
✉️ SPF
PolicyRecord (jcelteknik.dk)
~all (soft fail) v=spf1 include:_custspf.one.com include:relay.kinstamailservice.com include:relay.mailchannels.net ip4:162.159.135.42 ~all
📨 DMARC
✗ No DMARC record — mail spoofing not restricted
📬 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
CNAME _acme-challenge.jcelteknik.dk jcelteknik.dk.kinstavalidation.app
🔗 TLSA / DANE8 records   117ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod14-cph3.one.com DANE-EE · SPKI · SHA-256 42A27444ECBF3C0485409E27E2A6AB15…
SMTP _25._tcp.mx1.pub.mailpod14-cph3.one.com DANE-EE · SPKI · SHA-256 A4B9A2A35B513EFAC91F5A3C11DD0C58…
SMTP _25._tcp.mx2.pub.mailpod14-cph3.one.com DANE-EE · SPKI · SHA-256 A4B9A2A35B513EFAC91F5A3C11DD0C58…
SMTP _25._tcp.mx2.pub.mailpod14-cph3.one.com DANE-EE · SPKI · SHA-256 42A27444ECBF3C0485409E27E2A6AB15…
SMTP _25._tcp.mx3.pub.mailpod14-cph3.one.com DANE-EE · SPKI · SHA-256 42A27444ECBF3C0485409E27E2A6AB15…
SMTP _25._tcp.mx3.pub.mailpod14-cph3.one.com DANE-EE · SPKI · SHA-256 A4B9A2A35B513EFAC91F5A3C11DD0C58…
SMTP _25._tcp.mx4.pub.mailpod14-cph3.one.com DANE-EE · SPKI · SHA-256 A4B9A2A35B513EFAC91F5A3C11DD0C58…
SMTP _25._tcp.mx4.pub.mailpod14-cph3.one.com DANE-EE · SPKI · SHA-256 42A27444ECBF3C0485409E27E2A6AB15…
🔐 DNSSEC191ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026090603
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
124ms
A
143ms
MX
149ms
AAAA
149ms
TXT
399ms
CAA
122ms
HTTPS
128ms
TLSA
117ms
SOA
0ms
MTA-STS
161ms
DNSSEC
191ms
SRV
145ms
Total
1065ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-06 20:59:00 1065ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-30 17:56:27 743ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-28 16:04:03 1698ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-27 14:31:06 644ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-26 13:36:12 1315ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-24 13:32:55 2961ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-23 07:02:30 3833ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-22 06:56:44 8939ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-21 06:45:48 4718ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-20 06:38:58 1974ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-19 00:45:12 5200ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-17 00:07:05 1079ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-15 21:47:26 988ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-14 05:24:14 1167ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-12 08:08:31 4740ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-11 06:50:56 3106ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-10 01:35:38 4457ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-03 16:39:00 1239ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-27 11:25:20 902ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-26 11:00:13 967ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-25 10:28:00 8669ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-24 09:58:28 908ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-23 08:50:45 923ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-22 02:55:46 16962ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-21 02:42:54 941ms 2 NS 1 A 4 MX 🔒 Secure View
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