jahoo.dk
Last scanned: 2026-09-01 10:18:07  ·  11870ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   159ms
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   254ms
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.jahoo.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   152ms
FlagsTagValue
0 iodef mailto:security@yahooinc.com
0 issue ;
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC9098ms
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
159ms
A
253ms
MX
254ms
AAAA
206ms
TXT
4660ms
CAA
152ms
HTTPS
142ms
TLSA
366ms
SOA
0ms
MTA-STS
473ms
DNSSEC
9098ms
SRV
1288ms
Total
11870ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-01 10:18:07 11870ms 2 NS 0 A 1 MX 🔓 Insecure View
2026-06-27 04:57:06 7460ms 2 NS 0 A 1 MX 🔓 Insecure View
2026-06-20 15:27:41 1712ms 2 NS 0 A 1 MX 🔓 Insecure View
2026-06-17 19:35:11 4767ms 2 NS 0 A 0 MX 🔓 Insecure View
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