3blaa.dk
📜 Historical scan 2026-06-16 12:50:05  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   133ms
NameserverIP addressesPTRASN / ISP
ns1.curanet.dk — — —
ns2.curanet.dk — — —
🌍 A Records1 records   146ms
IPTTLPTRASNISP / OrgCIDRCountryCity
91.229.236.30 — hosting.merkurnord.dk AS215686 Edelskjold Holding ApS 91.229.236.0/24 🇩🇰 Denmark —
📧 MX Records1 records   142ms
PriorityTTLMail ServerIP addressesPTRASN
10 — 3blaa-dk.mail.protection.outlook.com 52.101.68.10
52.101.68.16
52.101.68.32
52.101.73.11		 mail-dbbpr03cu00102.inbound.protection.outlook.com
mail-db4pr02cu00400.inbound.protection.outlook.com
mail-db3pr0202cu00200.inbound.protection.outlook.com
mail-am1pr04cu00103.inbound.protection.outlook.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   283ms
TXT Record
v=spf1 ip4:91.229.236.30 include:spf.protection.outlook.com include:spf.mtasv.net -all
✉️ SPF
PolicyRecord (3blaa.dk)
-all (hard fail) v=spf1 ip4:91.229.236.30 include:spf.protection.outlook.com include:spf.mtasv.net -all
📨 DMARC
PolicyRecord (_dmarc.3blaa.dk)
p=reject v=DMARC1; p=reject; rua=mailto:kw4mtjma@ag.eu.dmarcian.com;
📬 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)
🔐 DNSSEC354ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA135ms
FieldValue
Serial2026052101
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
133ms
A
146ms
MX
142ms
AAAA
144ms
TXT
283ms
CAA
143ms
HTTPS
130ms
TLSA
364ms
SOA
135ms
MTA-STS
126ms
DNSSEC
354ms
SRV
0ms
Total
1836ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-30 07:10:31 2310ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-28 03:27:37 788ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-17 16:25:04 2228ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-15 11:11:56 1068ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 13:57:07 2443ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 10:53:48 1181ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 00:21:05 1509ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-16 13:00:07 2212ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-16 12:50:05 1836ms 2 NS 1 A 1 MX 🔒 Secure View
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