`mrd.mail.yahoo.com`

CNAME	`edge.gycpi.b.yahoodns.net`
DNSSEC	⚠️ Not signed
A	2001:4998:14:800::1000^{🇺🇸 Yahoo-SK12001:4998:14::/48 Yahoo DCA}
		PTR	`e1.ycpi.vip.dca.yahoo.com`
A	2001:4998:14:800::1001^{🇺🇸 Yahoo-SK12001:4998:14::/48 Yahoo DCA}
A	69.147.92.11^{🇺🇸 Yahoo-SK169.147.92.0/24 Verizon Media DCA}
A	69.147.92.12^{🇺🇸 Yahoo-SK169.147.92.0/24 Verizon Media DCA}

`mail.yahoo.com`

	CNAME	`edge.gycpi.b.yahoodns.net`
	DNSSEC	⚠️ Not signed
	A	2001:4998:14:800::1000^{🇺🇸 Yahoo-SK12001:4998:14::/48 Yahoo DCA}
	A	2001:4998:14:800::1001^{🇺🇸 Yahoo-SK12001:4998:14::/48 Yahoo DCA}
	A	69.147.92.11^{🇺🇸 Yahoo-SK169.147.92.0/24 Verizon Media DCA}
	A	69.147.92.12^{🇺🇸 Yahoo-SK169.147.92.0/24 Verizon Media DCA}

WOT: SAFE (94/100)
🔒 HSTS Preload
WOT: SAFE (93/100)

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DNS History

7 records (1 active, 6 former)

○A216.39.54.122016-08-24 → 2016-12-15 · 8 obs

○ 2016-08-02 05:19:48
● 2016-08-24 00:52:10
● 2016-09-11 08:49:56
○ 2016-09-28 21:09:04
○ 2016-12-04 20:36:38
● 2016-12-15 02:29:44
○ 2017-01-08 14:02:48
○ 2026-05-29 21:40:20

○A68.142.230.882015-08-21 → 2017-01-08 · 40 obs

● 2015-08-21 12:52:08
● 2015-09-24 10:39:32
○ 2015-09-26 05:47:00
● 2015-09-27 10:06:56
● 2015-10-01 00:38:14
○ 2015-10-18 23:47:42
● 2015-10-31 15:16:38
● 2015-11-02 18:12:22
○ 2015-11-04 22:14:40
● 2015-11-07 16:55:20
○ 2015-11-08 21:57:44
● 2015-11-19 17:02:18
○ 2015-11-25 15:49:00
○ 2015-11-29 20:04:00
● 2015-12-02 18:11:40
● 2015-12-10 09:48:20
○ 2015-12-12 11:28:50
○ 2015-12-14 09:53:28
● 2015-12-23 07:18:22
○ 2015-12-28 11:19:18
○ 2016-01-18 21:15:16
● 2016-01-21 11:07:08
○ 2016-01-23 06:21:16
○ 2016-01-24 08:48:22
● 2016-02-21 22:41:04
● 2016-04-01 12:47:04
○ 2016-04-23 12:35:26
● 2016-05-03 17:03:30
● 2016-06-09 21:05:32
○ 2016-06-20 06:55:44
● 2016-07-14 11:21:42
● 2016-08-02 05:19:48
○ 2016-08-24 00:52:10
○ 2016-09-11 08:49:56
● 2016-09-28 21:09:04
● 2016-12-04 20:36:38
○ 2016-12-15 02:29:44
● 2017-01-08 14:02:48
○ 2017-06-29 13:54:16
○ 2026-05-29 21:40:20

○A98.136.166.372015-08-21 → 2016-06-20 · 33 obs

● 2015-08-21 12:52:08
● 2015-09-13 11:24:52
○ 2015-09-24 10:39:32
● 2015-09-26 05:47:00
○ 2015-09-27 10:06:56
● 2015-10-01 00:38:14
● 2015-10-18 23:47:42
○ 2015-10-31 15:16:38
○ 2015-11-02 18:12:22
● 2015-11-04 22:14:40
○ 2015-11-07 16:55:20
● 2015-11-08 21:57:44
○ 2015-11-19 17:02:18
● 2015-11-25 15:49:00
● 2015-11-29 20:04:00
○ 2015-12-02 18:11:40
○ 2015-12-10 09:48:20
● 2015-12-12 11:28:50
● 2015-12-14 09:53:28
○ 2015-12-23 07:18:22
● 2015-12-28 11:19:18
● 2016-01-18 21:15:16
○ 2016-01-21 11:07:08
● 2016-01-23 06:21:16
● 2016-01-24 08:48:22
○ 2016-02-21 22:41:04
○ 2016-04-01 12:47:04
● 2016-04-23 12:35:26
○ 2016-05-03 17:03:30
○ 2016-06-09 21:05:32
● 2016-06-20 06:55:44
○ 2016-07-14 11:21:42
○ 2026-05-29 21:40:20

○CNAMEcontent.mail.yahoo.com2015-08-21 → 2017-01-08 · 4 obs

● 2015-08-21 12:52:08
● 2017-01-08 14:02:48
○ 2017-06-29 13:54:16
○ 2026-05-29 21:40:20

○CNAMEcontent1.mail.am0.yahoodns.net2015-09-11 → 2017-01-08 · 5 obs

○ 2015-08-21 12:52:08
● 2015-09-11 18:05:02
● 2017-01-08 14:02:48
○ 2017-06-29 13:54:16
○ 2026-05-29 21:40:20

●CNAMEedge.gycpi.b.yahoodns.net2019-11-24 → 2026-05-29 · 3 obs

○ 2019-09-08 17:02:06
● 2019-11-24 05:12:10
● 2026-05-29 21:40:20

○CNAMEfd-geoycpi-uno.gycpi.b.yahoodns.net2017-06-29 → 2019-09-08 · 5 obs

○ 2017-01-08 14:02:48
● 2017-06-29 13:54:16
● 2019-09-08 17:02:06
○ 2019-11-24 05:12:10
○ 2026-05-29 21:40:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
yahoo.com	ns1.yahoo.com, ns5.yahoo.com, ns2.yahoo.com, ns3.yahoo.com...	9 records

✅ Authoritative Response

Server:98.138.11.157

NS records: ns1.yahoo.com, ns5.yahoo.com, ns2.yahoo.com, ns3.yahoo.com, ns4.yahoo.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for yahoo.com (unsigned zone)

⏱️ Timing

Total: 348ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`edge.gycpi.b.yahoodns.net`

📌 Glue Records Collected

Total: 9

In-bailiwick: 9 (ns1.yahoo.com, ns1.yahoo.com, ns5.yahoo.com...)

Analysis

IP Addresses

mrd.mail.yahoo.com points to 4 IP addresses — 69.147.92.11, 69.147.92.12, 2001:4998:14:800::1000 and 2001:4998:14:800::1001.

pnw-api-ro-ycpi.g04.yahoodns.net, v4-edge.gycpi.b.yahoodns.net, me-ycpi-cf.news.g06.yahoodns.net plus two other host names have IP numbers in common with mrd.mail.yahoo.com.

mrd.mail.yahoo.com - robtex.com