gratisteori.dk
Last scanned: 2026-08-27 21:33:06  ·  619ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   38ms
NameserverIP addressesPTRASN / ISP
ns1.curanet.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.curanet.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   55ms
IPTTLPTRASNISP / OrgCIDRCountryCity
94.231.106.72 3600s linux210.curanet.dk AS48854 team.blue Denmark A/S 94.231.96.0/20 🇩🇰 Denmark —
📧 MX Records2 records   54ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx1.onlinemail.io 185.21.42.12 mx1.onlinemail.io AS48854 team.blue Denmark A/S
20 3600s mx2.onlinemail.io 46.36.208.16 mx2.onlinemail.io AS48854 team.blue Denmark A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover-mf.onlinemail.io → 185.21.40.62
🔶 Autoconfigautoconfig-mf.onlinemail.io → 185.21.40.62
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   186ms
TXT Record
v=spf1 include:spf.onlinemail.io -all
✉️ SPF
PolicyRecord (gratisteori.dk)
-all (hard fail) v=spf1 include:spf.onlinemail.io -all
📨 DMARC
PolicyRecord (_dmarc.gratisteori.dk)
p=none (monitor only) v=DMARC1; p=none;
📬 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)
🔐 DNSSEC130ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081001
Primary NS (MNAME)ns1.curanet.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
38ms
A
55ms
MX
54ms
AAAA
41ms
TXT
186ms
CAA
35ms
HTTPS
55ms
TLSA
59ms
SOA
0ms
MTA-STS
59ms
DNSSEC
130ms
SRV
67ms
Total
619ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 21:33:06 619ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-27 07:49:21 720ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-10 11:38:57 713ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-09 04:10:09 1496ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-07-26 08:43:55 702ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-17 14:50:22 5342ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 14:08:13 758ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-21 11:15:14 493ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 10:36:57 479ms 2 NS 1 A 0 MX 🔒 Secure View
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