`yfssr.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:c818^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:d82^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.13.130^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.200.24^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`byron.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c43^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`byron.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c343^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`byron.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2343^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`byron.ns.cloudflare.com`
		A	108.162.195.67^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`byron.ns.cloudflare.com`
		A	162.159.44.67^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`byron.ns.cloudflare.com`
		A	172.64.35.67^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`byron.ns.cloudflare.com`
NS	`vivienne.ns.cloudflare.com`
		A	2606:4700:50::a29f:2632^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vivienne.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c232^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`vivienne.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2232^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`vivienne.ns.cloudflare.com`
		A	108.162.194.50^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vivienne.ns.cloudflare.com`
		A	162.159.38.50^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vivienne.ns.cloudflare.com`
		A	172.64.34.50^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vivienne.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.13.130, 172.67.200.24
		IPv6 hints	2606:4700:3030::ac43:c818, 2606:4700:3036::6815:d82
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=252, name=cloudflare-ech.com
SOA	`byron.ns.cloudflare.com`dns@cloudflare.com serial=2409319804

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1786003394

Same first word

yfssr.com

Similar names

frsys.net

fssry.com

frsys.com.br

rfsys.biz

fryss.com

fsrys.com

rfsys.net

syrfs.com

rsfsy.com

yrssf.com

syfrs.com

rfsys.com

sysfr.com

frsys.com

rfsys.se

DNS History

16 records (6 active, 10 former)

●NSbyron.ns.cloudflare.com2026-06-30 → 2026-08-06 · 3 obs

○ 2020-02-20 13:08:04
● 2026-06-30 06:56:26
● 2026-08-06 08:06:28

○NSns1.uniregistrymarket.link2017-03-23 → 2017-03-23 · 3 obs

● 2017-03-23 21:56:38
○ 2020-02-20 13:08:04
○ 2026-08-06 08:06:28

○NSns2.uniregistrymarket.link2017-03-23 → 2017-03-23 · 3 obs

● 2017-03-23 21:56:38
○ 2020-02-20 13:08:04
○ 2026-08-06 08:06:28

○NSns6.dnsdun.com2020-02-20 → 2020-02-20 · 4 obs

○ 2017-03-23 21:56:38
● 2020-02-20 13:08:04
○ 2026-06-30 06:56:26
○ 2026-08-06 08:06:28

○NSns6.dnsdun.net2020-02-20 → 2020-02-20 · 4 obs

○ 2017-03-23 21:56:38
● 2020-02-20 13:08:04
○ 2026-06-30 06:56:26
○ 2026-08-06 08:06:28

●NSvivienne.ns.cloudflare.com2026-06-30 → 2026-08-06 · 3 obs

○ 2020-02-20 13:08:04
● 2026-06-30 06:56:26
● 2026-08-06 08:06:28

●A104.21.13.1302026-06-30 → 2026-08-06 · 3 obs

○ 2020-02-20 13:08:04
● 2026-06-30 06:56:26
● 2026-08-06 08:06:28

○A123.1.189.962015-06-21 → 2015-06-21 · 3 obs

● 2015-06-21 19:32:14
○ 2015-11-07 12:38:58
○ 2026-08-06 08:06:28

○A154.85.241.602020-02-20 → 2020-02-20 · 4 obs

○ 2017-03-23 21:56:38
● 2020-02-20 13:08:04
○ 2026-06-30 06:56:26
○ 2026-08-06 08:06:28

●A172.67.200.242026-06-30 → 2026-08-06 · 3 obs

○ 2020-02-20 13:08:04
● 2026-06-30 06:56:26
● 2026-08-06 08:06:28

○A198.27.94.2452016-04-18 → 2016-04-18 · 4 obs

○ 2015-11-07 12:38:58
● 2016-04-18 12:38:00
○ 2017-03-23 21:56:38
○ 2026-08-06 08:06:28

●A2606:4700:3030::ac43:c8182026-07-01 → 2026-08-06 · 3 obs

○ 2026-06-30 06:56:26
● 2026-07-01 10:38:18
● 2026-08-06 08:06:28

○A2606:4700:3032::6815:d822026-06-30 → 2026-06-30 · 4 obs

○ 2020-02-20 13:08:04
● 2026-06-30 06:56:26
○ 2026-07-01 10:38:18
○ 2026-08-06 08:06:28

●A2606:4700:3036::6815:d822026-07-01 → 2026-08-06 · 3 obs

○ 2026-06-30 06:56:26
● 2026-07-01 10:38:18
● 2026-08-06 08:06:28

○A2606:4700:3037::ac43:c8182026-06-30 → 2026-06-30 · 4 obs

○ 2020-02-20 13:08:04
● 2026-06-30 06:56:26
○ 2026-07-01 10:38:18
○ 2026-08-06 08:06:28

○A69.172.201.1532017-03-23 → 2017-03-23 · 4 obs

○ 2016-04-18 12:38:00
● 2017-03-23 21:56:38
○ 2020-02-20 13:08:04
○ 2026-08-06 08:06:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
yfssr.com	vivienne.ns.cloudflare.com, byron.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.50

NS records: vivienne.ns.cloudflare.com, byron.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for yfssr.com (unsigned zone)

⏱️ Timing

Total: 135ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.200.24, 104.21.13.130`
AAAA	2	`2606:4700:3036::6815:d82, 2606:4700:3030::ac43:c818`
NS	2	`byron.ns.cloudflare.com, vivienne.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`byron.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (vivienne.ns.cloudflare.com, vivienne.ns.cloudflare.com, vivienne.ns.cloudflare.com...)

Analysis

IP Addresses

yfssr.com has four IP addresses: 104.21.13.130, 172.67.200.24, 2606:4700:3030::ac43:c818 and 2606:4700:3036::6815:d82.

ccl.org.hk, uptet.co.in, ratecredit.com plus two other host names have IP numbers in common with yfssr.com.

Name Servers

DNS delegation for yfssr.com points to two name servers: byron.ns.cloudflare.com and vivienne.ns.cloudflare.com.

The name server configuration of yfssr.com is shared with other domains, for instance szlzmta.com, swwtjn.com, sdxiange.com and two others.

yfssr.com partially shares its NS delegation with several other domains, including identidadedigital.com.br, macan228jp.online, lordfilms.hair and two others.

These name servers are regularly seen alongside amy.ns.cloudflare.com and james.ns.cloudflare.com as name servers.

Hosts with 6 IP addresses each:

byron.ns.cloudflare.com has IP addresses 108.162.195.67, 162.159.44.67 and 172.64.35.67, plus 3 other.

vivienne.ns.cloudflare.com has IP addresses 108.162.194.50, 162.159.38.50 and 172.64.34.50, plus 3 other.

yfssr.com - robtex.com

yfssr.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`yfssr.com`

`com`