yahooo.dk

📜 Historical scan 2026-06-20 17:55:02 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

yahooo.dk is a .dk domain served by 2 nameservers (1ns.yahoo.com, 2ns.yahoo.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 13.248.158.7 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by .. 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#

2 records 127ms

Nameserver	IP addresses	PTR	ASN / 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#

2 records 384ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
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 Records#

1 records 134ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	7200s	. Null MX — domain accepts no email (RFC 7505)

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	rc.yahoo.com → 13.248.158.7
🔶 Autoconfig	rc.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#

Policy	Record (_dmarc.yahooo.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 Records#

2 records 127ms

Flags	Tag	Value
0	iodef	mailto:security@yahooinc.com
0	issue	;

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 19:33:07

www CNAME	rc.yahoo.com (all on yahoo.com) → 13.248.158.7 76.223.84.192 (AS16509)
www vs bare domain	Same network yahooo.dk: 13.248.158.7 76.223.84.192 (AS16509) www.yahooo.dk: 13.248.158.7 76.223.84.192 (AS16509)
Wildcard	Yes: any name under the zone resolves

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.yahooo.dk	rc.yahoo.com

🔗 TLSA / DANE#

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

🔐 DNSSEC#

333ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

120ms

Field	Value
Serial	2024032501
Primary NS (MNAME)	hidden-master.yahoo.com
Responsible (RNAME)	hostmaster@yahoo-inc.com
Refresh	28800s
Retry	3600s
Expire	1814400s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

127ms

384ms

134ms

AAAA

223ms

TXT

494ms

CAA

127ms

HTTPS

128ms

TLSA

161ms

SOA

120ms

MTA-STS

125ms

DNSSEC

333ms

SRV

657ms

Total

1954ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-26 16:05:44	10163ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-26 06:55:34	25625ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-02 23:36:41	2134ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 17:55:02 shown	1954ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-18 06:17:07	1796ms	2 NS 2 A 0 MX	🔓 Insecure