blue-yonder.dk
Last scanned: 2026-08-27 01:35:41  ·  863ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   62ms
NameserverIP addressesPTRASN / ISP
ns.udag.de 2001:8d8:fe:53:217:160:80:253
217.160.80.253		 ns.udag.de
ns.udag.de		 AS8560 IONOS SE
AS8560 IONOS SE
ns.udag.net 185.132.33.253
2607:f1c0:fe:53:185:132:33:253		 ns.udag.net
ns.udag.net		 AS15418 Fasthosts Internet Limited
AS15418 Fasthosts Internet Limited
ns.udag.org 185.132.34.253
2607:f1c0:fe:53:185:132:34:253		 ns.udag.org
ns.udag.org		 AS15418 Fasthosts Internet Limited
AS15418 Fasthosts Internet Limited
🌍 A Records1 records   42ms
IPTTLPTRASNISP / OrgCIDRCountryCity
89.31.143.90 600s — AS202108 united-domains GmbH 89.31.142.0/23 🇩🇪 Germany —
📧 MX Records2 records   44ms
PriorityTTLMail ServerIP addressesPTRASN
10 14400s mx00.udag.de 62.146.106.39 mx00.udag.de AS15598 NorthC Deutschland GmbH
20 14400s mx01.udag.de 62.146.106.40 mx01.udag.de AS15598 NorthC Deutschland GmbH
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover89.31.143.90
🔶 Autoconfig89.31.143.90
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   299ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (blue-yonder.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.blue-yonder.dk)
p=reject v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.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)
🔐 DNSSEC87ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2024062006
Primary NS (MNAME)ns.udag.de
Responsible (RNAME)hostmaster@united-domains.de
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
62ms
A
42ms
MX
44ms
AAAA
45ms
TXT
299ms
CAA
42ms
HTTPS
48ms
TLSA
90ms
SOA
0ms
MTA-STS
71ms
DNSSEC
87ms
SRV
91ms
Total
863ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 01:35:41 863ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-08-24 21:45:14 1346ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-07-01 23:58:20 1016ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-16 15:20:36 1585ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-16 15:08:53 2931ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-16 15:07:36 504ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-16 15:00:41 558ms 3 NS 1 A 2 MX 🔓 Insecure View
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