tristan-otto.dk
Last scanned: 2026-08-27 18:53:44  ·  1278ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   51ms
NameserverIP addressesPTRASN / ISP
ns1.ku.dk 192.38.110.174
2001:878:1070:10::174		 ns1.ku.dk
ns1.ku.dk		 AS1835 IDDQD-AS
AS1835 IDDQD-AS
ns2.ku.dk 192.38.110.190
2001:878:1070:11::190		 ns2.ku.dk
ns2.ku.dk		 AS1835 IDDQD-AS
AS1835 IDDQD-AS
🌍 A Records1 records   50ms
IPTTLPTRASNISP / OrgCIDRCountryCity
130.226.237.173 3600s cmslb.adm.ku.dk AS1835 IDDQD-AS 130.226.0.0/16 🇩🇰 Denmark Copenhagen
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscovercmsgw.adm.ku.dk → 130.226.237.173
🔶 Autoconfigcmsgw.adm.ku.dk → 130.226.237.173
🔷 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
PolicyRecord (_dmarc.tristan-otto.dk)
p=quarantine v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:upglztho@ag.eu.dmarcadvisor.com; ruf=mailto:upglztho@fr.eu.dmarcadvisor.com; pct=100; fo=1; ri=3600
📬 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.tristan-otto.dk cmsgw.adm.ku.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC98ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026082701
Primary NS (MNAME)ns1.ku.dk
Responsible (RNAME)hostmaster@adm.ku.dk
Refresh28800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
51ms
A
50ms
MX
50ms
AAAA
53ms
TXT
546ms
CAA
52ms
HTTPS
46ms
TLSA
110ms
SOA
0ms
MTA-STS
165ms
DNSSEC
98ms
SRV
724ms
Total
1278ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 18:53:44 1278ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-08-27 13:41:25 1072ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-08-20 04:17:07 1933ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-08-13 16:06:31 5125ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-08-11 22:31:00 8900ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-08-09 06:46:26 1251ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-08-01 00:58:09 1316ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-07-23 04:03:38 968ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-07-17 14:09:01 1098ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-07-09 02:42:04 1335ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-07-03 12:05:59 2673ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-06-25 12:54:37 5292ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-06-19 04:06:57 928ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-06-18 07:39:44 868ms 2 NS 1 A 0 MX 🔓 Insecure View
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