16c.dk
Last scanned: 2026-08-31 21:37:00  ·  2517ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   61ms
NameserverIP addressesPTRASN / ISP
ns1.loopiagroup.com 2a10:bbc0::11
45.10.97.11		 ns1.websupport.eu
ns1.websupport.eu		 AS25234 ACTIVE 24, s.r.o.
AS25234 ACTIVE 24, s.r.o.
ns2.loopiagroup.com 185.71.159.12
2a02:250:3::12		 ns2.websupport.eu
ns2.websupport.eu		 AS25234 ACTIVE 24, s.r.o.
AS25234 ACTIVE 24, s.r.o.
🌍 A Records
🌍
No A records found
📧 MX Records2 records   55ms
PriorityTTLMail ServerIP addressesPTRASN
10 7200s mail.16c.dk 109.235.175.21 m101-u5-mx.websupport.se AS41528 Loopia AB
20 7200s mail2.16c.dk 109.235.175.22 m101-u6-mx.websupport.se AS41528 Loopia AB
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverweb.prod.bts.websupport.sk → 37.9.169.171
🔶 Autoconfigweb.prod.bts.websupport.sk → 37.9.169.172
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   279ms
TXT Record
v=spf1 mx ip4:77.232.64.0/19 include:_spf.m101.websupport.se +all
✉️ SPF
PolicyRecord (16c.dk)
+all (no restriction) v=spf1 mx ip4:77.232.64.0/19 include:_spf.m101.websupport.se +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)
🔐 DNSSEC2071ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial1717059926
Primary NS (MNAME)ns1.loopiagroup.com
Responsible (RNAME)dnsadmin@loopiagroup.com
Refresh7200s
Retry2048s
Expire1048576s
Minimum (neg-cache TTL)2560s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
61ms
A
62ms
MX
55ms
AAAA
63ms
TXT
279ms
CAA
60ms
HTTPS
45ms
TLSA
88ms
SOA
0ms
MTA-STS
102ms
DNSSEC
2071ms
SRV
155ms
Total
2517ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-31 21:37:00 2517ms 2 NS 0 A 2 MX 🔓 Insecure View
2026-08-26 22:21:42 693ms 2 NS 0 A 2 MX 🔓 Insecure View
2026-08-26 17:47:22 854ms 2 NS 0 A 2 MX 🔓 Insecure View
2026-08-16 19:46:55 6176ms 2 NS 0 A 2 MX 🔓 Insecure View
2026-08-03 01:01:40 932ms 2 NS 0 A 2 MX 🔓 Insecure View
2026-07-03 14:56:10 2044ms 2 NS 0 A 2 MX 🔓 Insecure View
2026-06-28 23:40:06 881ms 2 NS 0 A 2 MX 🔓 Insecure View
2026-06-27 03:10:22 806ms 2 NS 0 A 2 MX 🔓 Insecure View
2026-06-23 07:56:55 1502ms 2 NS 0 A 2 MX 🔓 Insecure View
2026-06-22 04:07:08 1144ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-16 12:43:09 2870ms 2 NS 0 A 2 MX 🔓 Insecure View
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