dubo.dk
Last scanned: 2026-08-27 23:40:02  ·  916ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   44ms
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   46ms
IPTTLPTRASNISP / OrgCIDRCountryCity
93.191.155.240 60s forward.dnsfactory.dk AS48854 team.blue Denmark A/S 93.191.152.0/21 🇩🇰 Denmark —
📧 MX Records3 records   43ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s gw1.security.comendo.com 192.162.219.49
2a01:77c0:1619:4100:6fa6:1315:2bd2:51cd		 mx41.electric.net
mx11.electric.net		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
20 3600s gw2.security.comendo.com 192.162.219.155
2a01:77c0:1619:4101:d99:c22:fb4d:290e		 mx41.electric.net
mx10.electric.net		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
30 3600s gw3.security.comendo.com 192.162.219.49 mx41.electric.net AS16509 Amazon.com, Inc.
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   152ms
TXT Record
v=spf1 mx include:spf.protection.outlook.com ~all
✉️ SPF
PolicyRecord (dubo.dk)
~all (soft fail) v=spf1 mx include:spf.protection.outlook.com ~all
📨 DMARC
PolicyRecord (_dmarc.dubo.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:dmarc@addtech.com; ruf=mailto:dmarc.analyze@addtech.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)
🔐 DNSSEC91ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2024020501
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
44ms
A
46ms
MX
43ms
AAAA
35ms
TXT
152ms
CAA
46ms
HTTPS
171ms
TLSA
89ms
SOA
0ms
MTA-STS
59ms
DNSSEC
91ms
SRV
66ms
Total
916ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 23:40:02 916ms 2 NS 1 A 3 MX 🔒 Secure View
2026-07-02 00:59:08 2386ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-17 04:55:56 687ms 2 NS 1 A 3 MX 🔒 Secure View
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