28282828.dk
Last scanned: 2026-08-26 06:51:23  ·  444ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   41ms
NameserverIP addressesPTRASN / ISP
ns1.dnsserver.dk 185.25.141.12
2a02:2339:4006:108::123		 ns1.curanet.dk
ns1.curanet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.dnsserver.dk 2a02:2339:1:10f::123:123
91.197.248.75		 ns2.curanet.dk
ns2.curanet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
🌍 A Records1 records   42ms
IPTTLPTRASNISP / OrgCIDRCountryCity
193.8.37.82 10800s — AS3308 Norlys Telco A/S 193.8.36.0/23 🇩🇰 Denmark Ølstykke
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.8
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   82ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com
📝 TXT Records1 records   138ms
TXT Record
v=spf1 include:spf.protection.outlook.com ip4:193.8.36.0/22 -all
✉️ SPF
PolicyRecord (28282828.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com ip4:193.8.36.0/22 -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)
🔐 DNSSEC78ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026011201
Primary NS (MNAME)ns1.dnsserver.dk
Responsible (RNAME)hostmaster@curanet.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
41ms
A
42ms
MX
39ms
AAAA
36ms
TXT
138ms
CAA
36ms
HTTPS
40ms
TLSA
64ms
SOA
0ms
MTA-STS
62ms
DNSSEC
78ms
SRV
82ms
Total
444ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 06:51:23 444ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-24 18:36:44 3399ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-24 13:09:40 1192ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-21 19:13:08 721ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-16 13:12:12 5720ms 2 NS 1 A 0 MX 🔒 Secure View
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