yahoogo.dk
Last scanned: 2026-08-27 17:40:06  ·  12445ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   411ms
NameserverIP addressesPTRASN / ISP
1ns.yahoo.com 2001:4998:c:fe2f:726f:636b:6f:6e0a
74.6.35.130		 1ns.yahoo.com
1ns.yahoo.com		 AS36647 Yahoo Holdings Inc.
AS36647 Yahoo Holdings Inc.
2ns.yahoo.com 2001:4998:58:fe2c:726f:636b:6f:6e0a
98.139.24.68		 2ns.yahoo.com
2ns.yahoo.com		 AS26101 Yahoo Holdings Inc.
AS26101 Yahoo Holdings Inc.
🌍 A Records
🌍
No A records found
📧 MX Records1 records   261ms
PriorityTTLMail ServerIP addressesPTRASN
0 21600s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 DMARC
PolicyRecord (_dmarc.yahoogo.dk)
p=reject v=DMARC1; p=reject; pct=100; rua=mailto:dmarc-yahoo-rua@yahoo-inc.com;
📬 MTA-STS
✗ No MTA-STS policy — SMTP TLS not enforced
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records2 records   235ms
FlagsTagValue
0 iodef mailto:security@yahooinc.com
0 issue ;
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC9099ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2022091201
Primary NS (MNAME)hidden-master.yahoo.com
Responsible (RNAME)hostmaster@yahoo-inc.com
Refresh28800s
Retry3600s
Expire1814400s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
411ms
A
258ms
MX
261ms
AAAA
228ms
TXT
2369ms
CAA
235ms
HTTPS
321ms
TLSA
301ms
SOA
0ms
MTA-STS
157ms
DNSSEC
9099ms
SRV
1794ms
Total
12445ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 17:40:06 12445ms 2 NS 0 A 1 MX 🔓 Insecure View
2026-08-26 11:08:52 4699ms 2 NS 0 A 1 MX 🔓 Insecure View
2026-08-25 16:29:39 5114ms 2 NS 0 A 1 MX 🔓 Insecure View
2026-07-19 07:01:34 35644ms 2 NS 0 A 1 MX 🔓 Insecure View
2026-06-27 21:46:43 2777ms 2 NS 0 A 1 MX 🔓 Insecure View
2026-06-21 21:04:54 960ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-18 05:26:12 3783ms 2 NS 0 A 0 MX 🔓 Insecure View
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