schulma.dk
Last scanned: 2026-08-16 08:37:19  ·  5093ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   49ms
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   62ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.47.247.18 600s one.com.webforward.g1i.one AS51468 One.com A/S 195.47.247.0/24 — —
📧 MX Records2 records   72ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s mxa.mailgun.org 34.149.254.5 5.254.149.34.bc.googleusercontent.com AS396982 Google LLC
10 600s mxb.mailgun.org 34.36.182.139 139.182.36.34.bc.googleusercontent.com AS396982 Google LLC
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover195.47.247.18
🔶 Autoconfig195.47.247.18
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   255ms
TXT Record
v=spf1 include:mailgun.org include:spf.mailjet.com -all
✉️ SPF
PolicyRecord (schulma.dk)
-all (hard fail) v=spf1 include:mailgun.org include:spf.mailjet.com -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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC128ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA95ms
FieldValue
Serial2026080901
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
49ms
A
62ms
MX
72ms
AAAA
104ms
TXT
255ms
CAA
75ms
HTTPS
57ms
TLSA
235ms
SOA
95ms
MTA-STS
112ms
DNSSEC
128ms
SRV
92ms
Total
5093ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-16 08:37:19 5093ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-10 17:15:30 997ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-14 19:44:50 8803ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-12 23:19:39 891ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-09 01:56:16 17095ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-17 14:03:25 2075ms 2 NS 1 A 2 MX 🔒 Secure View
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