tun.dk
Last scanned: 2026-08-26 11:04:19  ·  1647ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   56ms
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 Records
🌍
No A records found
📧 MX Records2 records   41ms
PriorityTTLMail ServerIP addressesPTRASN
10 14400s cloud7.spamtitan.com 13.58.65.21
13.58.8.62
52.15.128.102		 cloud7.spamtitan.com
cloud7.spamtitan.com
cloud7.spamtitan.com		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
11 14400s cloud8.spamtitan.com 13.58.65.21
13.58.8.62
52.15.128.102		 cloud7.spamtitan.com
cloud7.spamtitan.com
cloud7.spamtitan.com		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverwebmail.tun.dk → 91.216.103.164
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   177ms
TXT Record
v=spf1 include:_spf_cd.spamtitan.com ~all
✉️ SPF
PolicyRecord (tun.dk)
~all (soft fail) v=spf1 include:_spf_cd.spamtitan.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)
🔐 DNSSEC98ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2026080101
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
56ms
A
29ms
MX
41ms
AAAA
48ms
TXT
177ms
CAA
33ms
HTTPS
56ms
TLSA
757ms
SOA
0ms
MTA-STS
65ms
DNSSEC
98ms
SRV
79ms
Total
1647ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 11:04:19 1647ms 2 NS 0 A 2 MX 🔒 Secure View
2026-08-25 20:48:24 678ms 2 NS 0 A 2 MX 🔒 Secure View
2026-08-03 06:23:15 8748ms 2 NS 0 A 2 MX 🔒 Secure View
2026-07-22 16:37:40 9008ms 2 NS 0 A 2 MX 🔒 Secure View
2026-07-03 10:55:15 2017ms 2 NS 0 A 2 MX 🔒 Secure View
2026-06-21 05:59:14 1437ms 2 NS 0 A 2 MX 🔒 Secure View
2026-06-21 05:11:17 1144ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 17:25:15 2556ms 2 NS 0 A 2 MX 🔒 Secure View
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