underviserportal.dk
Last scanned: 2026-06-18 05:37:17  ·  652ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   38ms
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   101ms
IPTTLPTRASNISP / OrgCIDRCountryCity
94.237.47.164 — k8s03.oitudv.dk AS202053 UpCloud Ltd 94.237.0.0/18 🇳🇱 The Netherlands Amsterdam
📧 MX Records2 records   63ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mx1.konformit.com 185.84.132.2
185.84.132.4		 mx1.konformit.com
mx1.konformit.com		 AS198452 Kontainer A/S
AS198452 Kontainer A/S
20 — mx2.konformit.com 185.84.132.3
185.84.132.5		 mx2.konformit.com
mx2.konformit.com		 AS198452 Kontainer A/S
AS198452 Kontainer A/S
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 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)
🔐 DNSSEC120ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA38ms
FieldValue
Serial2026032501
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
38ms
A
101ms
MX
63ms
AAAA
37ms
TXT
247ms
CAA
50ms
HTTPS
51ms
TLSA
54ms
SOA
38ms
MTA-STS
54ms
DNSSEC
120ms
SRV
86ms
Total
652ms
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