yahoogrupper.dk

📜 Historical scan 2026-08-27 07:03:45  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

yahoogrupper.dk is a .dk domain served by 4 nameservers (ns1.yahoo.com, ns3.yahoo.com, ns4.yahoo.com and 1 more). It was registered on 6 December 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 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 Records#

1 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 Records#

1 records   3240ms
TXT Record
v=spf1 redirect=_spf.mail.yahoo.com

✉️ SPF#

PolicyRecord (yahoogrupper.dk)
redirect=_spf.mail.yahoo.com 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 Records#

2 records   308ms
FlagsTagValue
0 iodef mailto:security@yahooinc.com
0 issue ;

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-11 23:12:20
wwwNXDOMAIN
www vs bare domainwww does not resolve
yahoogrupper.dk: 66.196.94.104
www.yahoogrupper.dk: no address
(all like this)
WildcardNo

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ?all

  • warn "ptr" is slow, unreliable and discouraged (RFC 7208 §5.5)
  • warn "ptr" is slow, unreliable and discouraged (RFC 7208 §5.5)
  • warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

9121ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2022010601
Primary NS (MNAME)hidden-master.yahoo.com
Responsible (RNAME)hostmaster@yahoo-inc.com
Refresh3600s
Retry900s
Expire604800s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-13 17:41:23
FieldValue
RegistrarMarkMonitor Inc.
Registered2000-12-06
Expires2026-12-31 (66d)

🔗 Same registrant#

64 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

DomainRegistrar
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geocitiesyahoo.dkMarkMonitor Inc.
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healthyahoo.dkMarkMonitor Inc.
jahoo.dkMarkMonitor Inc.
mailyahoo.dkMarkMonitor Inc.
maktoobyahoo.dkMarkMonitor Inc.
mashyahoo.dkMarkMonitor Inc.
messengeryahoo.dkMarkMonitor Inc.
meuyahoo.dkMarkMonitor Inc.
moviesyahoo.dkMarkMonitor Inc.
musicyahoo.dkMarkMonitor Inc.
myyahoo.dkMarkMonitor Inc.
newsyahoo.dkMarkMonitor Inc.
paydirectyahoo.dkMarkMonitor Inc.
personalsyahoo.dkMarkMonitor Inc.
photosyahoo.dkMarkMonitor Inc.
shoppingyahoo.dkMarkMonitor Inc.
smallbusinessyahoo.dkMarkMonitor Inc.
sportsyahoo.dkMarkMonitor Inc.
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storeyahoo.dkMarkMonitor Inc.
travelyahoo.dkMarkMonitor Inc.
yahoo-inc.dkMarkMonitor Inc.
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yahooauctions.dkMarkMonitor Inc.
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yahoodanmark.dkMarkMonitor Inc.
yahoodenmark.dkMarkMonitor Inc.
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yahoofinance.dkMarkMonitor Inc.
yahoofinans.dkMarkMonitor Inc.
yahoogames.dkMarkMonitor Inc.
yahoogo.dkMarkMonitor Inc.
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yahoohealth.dkMarkMonitor Inc.
yahooinc.dkMarkMonitor Inc.
yahookids.dkMarkMonitor Inc.
yahooligans.dkMarkMonitor Inc.
yahoomail.dkMarkMonitor Inc.
yahoomaktoob.dkMarkMonitor Inc.
yahoomash.dkMarkMonitor Inc.
yahoomessenger.dkMarkMonitor Inc.
yahoomovies.dkMarkMonitor Inc.
yahoomusic.dkMarkMonitor Inc.
yahoonews.dkMarkMonitor Inc.
yahooo.dkMarkMonitor Inc.
yahoooneplace.dkMarkMonitor Inc.
yahooplay.dkMarkMonitor Inc.
yahoosports.dkMarkMonitor Inc.
yahootogether.dkMarkMonitor Inc.
yahoowallet.dkMarkMonitor Inc.
yohoo.dkMarkMonitor Inc.
yoneplace.dkMarkMonitor Inc.
ypn.dkMarkMonitor Inc.
yshops.dkMarkMonitor Inc.
📋 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
2026-09-23 05:03:24 19816ms 4 NS 1 A 0 MX 🔓 Insecure
2026-08-27 07:03:45 shown 21356ms 4 NS 1 A 0 MX 🔓 Insecure
2026-06-18 04:55:21 4998ms 4 NS 1 A 0 MX 🔓 Insecure
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