`yf9999.co`

DNSSEC	⚠️ Not signed
A	54.215.31.113^{🇺🇸 Amazon54.215.0.0/17 EC2 SFO prefix}
		PTR	`ec2-54-215-31-113.us-west-1.compute.amazonaws.com`
NS	`ns1.dyna-ns.net` ⭐
		A	2400:cb00:2049:1::a29f:1a5c^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	2400:cb00:2049:1::a29f:1b9e^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.26.92^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.dyna-ns.net`
		A	162.159.27.158^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.dyna-ns.net`
NS	`ns2.dyna-ns.net`
		A	2400:cb00:2049:1::a29f:1805^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	2400:cb00:2049:1::a29f:1905^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.24.5^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.dyna-ns.net`
		A	162.159.25.5^{Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.dyna-ns.net`
SOA	`ns1.dyna-ns.net`hostmaster@yf9999.co 2026-04-10 #2

`co`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`a.registrydns.co`
	NS	`b.registrydns.co`
	NS	`c.registrydns.co`
	NS	`d.registrydns.co`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=1759632505

Same first word

yf9999.co

yf9999.net

Similar names

fy9999.com

DNS History

23 records (3 active, 20 former)

○NSa.dnspod.com2017-12-31 → 2017-12-31 · 4 obs

○ 2016-11-25 13:28:20
● 2017-12-31 00:19:52
○ 2026-02-16 06:29:14
○ 2026-04-12 20:45:16

○NSb.dnspod.com2017-12-31 → 2017-12-31 · 4 obs

○ 2016-11-25 13:28:20
● 2017-12-31 00:19:52
○ 2026-02-16 06:29:14
○ 2026-04-12 20:45:16

○NSbbb53.yf9999.co2016-11-25 → 2016-11-25 · 4 obs

○ 2016-03-31 16:08:08
● 2016-11-25 13:28:20
○ 2017-12-31 00:19:52
○ 2026-04-12 20:45:16

○NSbbb54.yf9999.co2016-11-25 → 2016-11-25 · 4 obs

○ 2016-03-31 16:08:08
● 2016-11-25 13:28:20
○ 2017-12-31 00:19:52
○ 2026-04-12 20:45:16

○NSc.dnspod.com2017-12-31 → 2017-12-31 · 4 obs

○ 2016-11-25 13:28:20
● 2017-12-31 00:19:52
○ 2026-02-16 06:29:14
○ 2026-04-12 20:45:16

●NSns1.dyna-ns.net2026-02-16 → 2026-04-12 · 3 obs

○ 2017-12-31 00:19:52
● 2026-02-16 06:29:14
● 2026-04-12 20:45:16

●NSns2.dyna-ns.net2026-02-16 → 2026-04-12 · 3 obs

○ 2017-12-31 00:19:52
● 2026-02-16 06:29:14
● 2026-04-12 20:45:16

○NSns52.yf9999.co2015-06-11 → 2016-03-31 · 4 obs

● 2015-06-11 18:40:20
● 2016-03-31 16:08:08
○ 2016-11-25 13:28:20
○ 2026-04-12 20:45:16

○NSns53.yf9999.co2015-06-11 → 2016-03-31 · 4 obs

● 2015-06-11 18:40:20
● 2016-03-31 16:08:08
○ 2016-11-25 13:28:20
○ 2026-04-12 20:45:16

○NSns54.yf9999.co2015-06-11 → 2016-03-31 · 4 obs

● 2015-06-11 18:40:20
● 2016-03-31 16:08:08
○ 2016-11-25 13:28:20
○ 2026-04-12 20:45:16

○NSsnm157v.yf9999.co2016-11-25 → 2016-11-25 · 4 obs

○ 2016-03-31 16:08:08
● 2016-11-25 13:28:20
○ 2017-12-31 00:19:52
○ 2026-04-12 20:45:16

○NSsnn357v.yf9999.co2016-11-25 → 2016-11-25 · 4 obs

○ 2016-03-31 16:08:08
● 2016-11-25 13:28:20
○ 2017-12-31 00:19:52
○ 2026-04-12 20:45:16

○NSsnp257v.yf9999.co2016-11-25 → 2016-11-25 · 4 obs

○ 2016-03-31 16:08:08
● 2016-11-25 13:28:20
○ 2017-12-31 00:19:52
○ 2026-04-12 20:45:16

○NSsnt457v.yf9999.co2016-11-25 → 2016-11-25 · 4 obs

○ 2016-03-31 16:08:08
● 2016-11-25 13:28:20
○ 2017-12-31 00:19:52
○ 2026-04-12 20:45:16

○A103.224.24.2002015-10-22 → 2016-11-25 · 5 obs

○ 2015-06-11 18:40:20
● 2015-10-22 15:48:48
● 2016-11-25 13:28:20
○ 2017-12-31 00:19:52
○ 2026-04-12 20:45:16

○A103.242.144.662015-06-11 → 2015-06-11 · 3 obs

● 2015-06-11 18:40:20
○ 2015-10-22 15:48:48
○ 2026-04-12 20:45:16

○A139.159.230.2372017-12-31 → 2017-12-31 · 4 obs

○ 2016-11-25 13:28:20
● 2017-12-31 00:19:52
○ 2026-02-16 06:29:14
○ 2026-04-12 20:45:16

○A174.37.54.202017-12-31 → 2017-12-31 · 4 obs

○ 2016-11-25 13:28:20
● 2017-12-31 00:19:52
○ 2026-02-16 06:29:14
○ 2026-04-12 20:45:16

○A31.13.72.342017-12-31 → 2017-12-31 · 4 obs

○ 2016-11-25 13:28:20
● 2017-12-31 00:19:52
○ 2026-02-16 06:29:14
○ 2026-04-12 20:45:16

○A31.13.86.12017-12-31 → 2017-12-31 · 4 obs

○ 2016-11-25 13:28:20
● 2017-12-31 00:19:52
○ 2026-02-16 06:29:14
○ 2026-04-12 20:45:16

●A54.215.31.1132026-02-16 → 2026-04-12 · 3 obs

○ 2017-12-31 00:19:52
● 2026-02-16 06:29:14
● 2026-04-12 20:45:16

○A69.63.180.1732017-12-31 → 2017-12-31 · 4 obs

○ 2016-11-25 13:28:20
● 2017-12-31 00:19:52
○ 2026-02-16 06:29:14
○ 2026-04-12 20:45:16

○A75.126.33.1562017-12-31 → 2017-12-31 · 4 obs

○ 2016-11-25 13:28:20
● 2017-12-31 00:19:52
○ 2026-02-16 06:29:14
○ 2026-04-12 20:45:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	d.registrydns.co, c.registrydns.co, a.registrydns.co, b.registrydns.co	-
yf9999.co	ns1.dyna-ns.net, ns2.dyna-ns.net	-

✅ Authoritative Response

Server:162.159.27.158

NS records: ns1.dyna-ns.net, ns2.dyna-ns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for yf9999.co (unsigned zone)

⏱️ Timing

Total: 845ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`54.215.31.113`
NS	2	`ns2.dyna-ns.net, ns1.dyna-ns.net`
SOA	1	`ns1.dyna-ns.net hostmaster.yf9999.co`

Analysis

IP Addresses

yf9999.co maps to IP address 54.215.31.113.

Other host names, for instance hostmaster.hashalom.org, www.tcqp.com, batik77class.com, alihoo.com and inviteonce.com share IP numbers with yf9999.co.

Name Servers

Two name servers ns1.dyna-ns.net and ns2.dyna-ns.net are delegated to yf9999.co.

yf9999.co uses the same name server configuration as other domains, such as 3656qqq.com, m8k3.cc, surrendendental.com, myria-research.com and topfirms.org.

Host names with four IP numbers: ns1.dyna-ns.net points to 2400:cb00:2049:1::a29f:1a5c, 2400:cb00:2049:1::a29f:1b9e, 162.159.26.92 and 162.159.27.158; ns2.dyna-ns.net points to 2400:cb00:2049:1::a29f:1805, 2400:cb00:2049:1::a29f:1905, 162.159.24.5 and 162.159.25.5.

yf9999.co - robtex.com

yf9999.co

co

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`yf9999.co`

`co`