schela.dk
Last scanned: 2026-08-28 11:07:21  ·  810ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   42ms
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   39ms
IPTTLPTRASNISP / OrgCIDRCountryCity
78.46.3.75 3600s dedi875.your-server.de AS24940 Hetzner Online GmbH 78.46.0.0/15 🇩🇪 Germany Nuremberg
📧 MX Records1 records   38ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s schela-dk.mail.protection.outlook.com — — —
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.40
🔶 Autoconfig78.46.3.75
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   78ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 0 1 5061 sipfed.online.lync.com
📝 TXT Records2 records   189ms
TXT Record
knowbe4-site-verification=187cbe33e578bcaaba6d488076eefed6
v=spf1 include:spf.protection.outlook.com include:spf.esvacloud.com -all
✉️ SPF
PolicyRecord (schela.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com include:spf.esvacloud.com -all
📨 DMARC
PolicyRecord (_dmarc.schela.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:exchadmin@schela.dk;
📬 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)
🔐 DNSSEC88ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026041201
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
42ms
A
39ms
MX
38ms
AAAA
38ms
TXT
189ms
CAA
41ms
HTTPS
58ms
TLSA
299ms
SOA
0ms
MTA-STS
92ms
DNSSEC
88ms
SRV
78ms
Total
810ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 11:07:21 810ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-02 03:37:18 824ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 21:28:07 1078ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-23 00:21:39 1287ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-22 13:56:14 889ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-18 03:01:59 2494ms 2 NS 1 A 1 MX 🔒 Secure View
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