yahooemail.dk
Last scanned: 2026-08-31 12:14:04  ·  4913ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   239ms
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 Records2 records   189ms
IPTTLPTRASNISP / OrgCIDRCountryCity
13.248.158.7 7200s a7de0457831fd11f7.awsglobalaccelerator.com AS16509 Amazon.com, Inc. 13.248.0.0/14 🇺🇸 United States —
76.223.84.192 7200s a7de0457831fd11f7.awsglobalaccelerator.com AS16509 Amazon.com, Inc. 76.223.0.0/17 🇺🇸 United States —
📧 MX Records1 records   70ms
PriorityTTLMail ServerIP addressesPTRASN
0 7200s .  Null MX — domain accepts no email (RFC 7505)
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverrc.yahoo.com → 76.223.84.192
🔶 Autoconfigrc.yahoo.com → 76.223.84.192
🔷 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.yahooemail.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   47ms
FlagsTagValue
0 iodef mailto:security@yahooinc.com
0 issue ;
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.yahooemail.dk rc.yahoo.com
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC2074ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2024032501
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
239ms
A
189ms
MX
70ms
AAAA
144ms
TXT
779ms
CAA
47ms
HTTPS
177ms
TLSA
168ms
SOA
0ms
MTA-STS
220ms
DNSSEC
2074ms
SRV
1142ms
Total
4913ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-31 12:14:04 4913ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-08-27 07:48:51 2216ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-07-03 01:41:14 4432ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-25 18:02:26 1143ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-24 18:20:42 4320ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-21 23:30:04 930ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-18 04:17:24 1772ms 2 NS 2 A 0 MX 🔓 Insecure View
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