yahoogrupper.dk
Last scanned: 2026-08-27 07:03:45  ·  21356ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   68ms
NameserverIP addressesPTRASN / ISP
ns1.yahoo.com 2001:4998:1b0::7961:686f:6f21
68.180.131.16		 ns1.yahoo.com
ns1.yahoo.com		 AS10880 Yahoo Holdings Inc.
AS10880 Yahoo Holdings Inc.
ns3.yahoo.com 2406:8600:f03f:1f8::1003
27.123.42.42		 ns3.yahoo.com
ns3.yahoo.com		 AS23879 INY Edge site
AS23879 INY Edge site
ns4.yahoo.com 98.138.11.157 ns4.yahoo.com AS36646 Yahoo Holdings Inc.
ns5.yahoo.com 202.165.97.53
2406:2000:1d0::7961:686f:6f21		 ns5.yahoo.com
—		 AS10880 Yahoo Holdings Inc.
AS10880 Yahoo Holdings Inc.
🌍 A Records1 records   225ms
IPTTLPTRASNISP / OrgCIDRCountryCity
66.196.94.104 7200s — — — — 🇺🇸 United States —
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   3240ms
TXT Record
v=spf1 redirect=_spf.mail.yahoo.com
✉️ SPF
PolicyRecord (yahoogrupper.dk)
no all — incomplete SPF v=spf1 redirect=_spf.mail.yahoo.com
📨 DMARC
PolicyRecord (_dmarc.yahoogrupper.dk)
p=reject v=DMARC1; p=reject; pct=100; rua=mailto:dmarc_y_rua@yahoo.com;
📬 MTA-STS
✗ No MTA-STS policy — SMTP TLS not enforced
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records2 records   308ms
FlagsTagValue
0 iodef mailto:security@yahooinc.com
0 issue ;
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC9121ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2022010601
Primary NS (MNAME)hidden-master.yahoo.com
Responsible (RNAME)hostmaster@yahoo-inc.com
Refresh3600s
Retry900s
Expire604800s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
68ms
A
225ms
MX
172ms
AAAA
161ms
TXT
3240ms
CAA
308ms
HTTPS
68ms
TLSA
4033ms
SOA
0ms
MTA-STS
87ms
DNSSEC
9121ms
SRV
1392ms
Total
21356ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 07:03:45 21356ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-06-18 04:55:21 4998ms 4 NS 1 A 0 MX 🔓 Insecure View
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