blackbirdcph.dk
Last scanned: 2026-08-28 05:54:34  ·  2536ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   46ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
🌍 A Records1 records   2053ms
IPTTLPTRASNISP / OrgCIDRCountryCity
193.8.38.16 3598s — AS48854 team.blue Denmark A/S 193.8.38.0/24 🇩🇰 Denmark —
📧 MX Records2 records   44ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx1.onlinemail.io 185.21.42.12 mx1.onlinemail.io AS48854 team.blue Denmark A/S
10 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
🔶 Autoconfig193.8.38.16
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records3 records   152ms
TXT Record
google-site-verification=I9CtsvH1mkMEQM9pyyBsgnH6qBCaCJtlngVRUq8CVhc
v=spf1 a include:spf.curanet.dk include:spf.simply.com -all
v=spf1 mx a include:spf.curanet.dk include:spf.simply.com include:_custspf.one.com include:_spf.wpcloud.com ~all
✉️ SPF
⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)
PolicyRecord (blackbirdcph.dk)
-all (hard fail) v=spf1 a include:spf.curanet.dk include:spf.simply.com -all
~all (soft fail) v=spf1 mx a include:spf.curanet.dk include:spf.simply.com include:_custspf.one.com include:_spf.wpcloud.com ~all
📨 DMARC
PolicyRecord (_dmarc.blackbirdcph.dk)
p=quarantine v=DMARC1; p=quarantine
📬 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)
🔐 DNSSEC90ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2025101402
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
46ms
A
2053ms
MX
44ms
AAAA
44ms
TXT
152ms
CAA
48ms
HTTPS
42ms
TLSA
90ms
SOA
0ms
MTA-STS
59ms
DNSSEC
90ms
SRV
62ms
Total
2536ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 05:54:34 2536ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-29 03:26:01 631ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-23 11:20:19 2925ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-23 02:04:47 2022ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-16 14:45:14 443ms 3 NS 1 A 2 MX 🔓 Insecure View
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