usrf.ru - dns.ninja

`usrf.ru`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:8c64^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:28f5^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.40.245^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.140.100^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ezra.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c0f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ezra.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c30f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ezra.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:230f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ezra.ns.cloudflare.com`
		A	108.162.195.15^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ezra.ns.cloudflare.com`
		A	162.159.44.15^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ezra.ns.cloudflare.com`
		A	172.64.35.15^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ezra.ns.cloudflare.com`
NS	`lila.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aba^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lila.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ba^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lila.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ba^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lila.ns.cloudflare.com`
		A	108.162.192.186^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lila.ns.cloudflare.com`
		A	172.64.32.186^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lila.ns.cloudflare.com`
		A	173.245.58.186^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lila.ns.cloudflare.com`
MX	`mx.yandex.net` ⭐
		A	2a02:6b8::311^{🇷🇺 TELETECH2a02:6b8::/32 Yandex network}
			PTR	`mxfront.stable.qloud-b.yandex.net`
		A	77.88.21.249^{🇷🇺 TELETECH77.88.0.0/18 Yandex enterprise network}
			PTR	`mxfront.stable.qloud-b.yandex.net`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.40.245, 172.67.140.100
		IPv6 hints	2606:4700:3035::ac43:8c64, 2606:4700:3036::6815:28f5
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=18, name=cloudflare-ech.com
SOA	`ezra.ns.cloudflare.com`dns@cloudflare.com serial=2404885523

`ru`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.ripn.net` ⭐
	NS	`b.dns.ripn.net`
	NS	`d.dns.ripn.net`
	NS	`e.dns.ripn.net`
	NS	`f.dns.ripn.net`
	SOA	`a.dns.ripn.net`hostmaster@ripn.net serial=4069453

Previously MX for

usrf.ru

Subdomains

ns.usrf.ru

webmail.usrf.ru

mail.usrf.ru

Same first word

usrf.ru

usrf.nl

usrf.de

usrf.com

usrf.us

usrf.net

usrf.org

Similar names

surf.ac.uk

surf.life

rfsu.com

surf.net

rusf.cn

usfr.org

surf.show

surf.to

furs.co.za

surf.is

sfur.net

surf.no

surf.ro

furs.education

usfr.com

frus.com

surf.mt

surf.mk

surf.saarland

surf.house

furs.tv

surf.gr

rfsu.se

surf.as

rfsu.de

surf.me

sufr.com

surf.pw

surf.co

usfr.ch

surf.com.sa

surf.community

surf.menu

surf.ly

surf.ru

surf.farm

surf.dev

surf.pp.ua

furs.co

rusf.net

rufs.cn

surf.com.br

surf.ch

surf.tv

srfu.org

surf.ddns.me

furs.com.br

ufsr.com

rfsu.org

surf.com.ua

furs.ee

furs.cn

rufs.me

ursf.com

surf.org.nz

sfur.ru

fusr.com

surf.university

srfu.com

surf.cologne

frus.be

rusf.org

surf.lv

frus.eu

surf.biz

surf.marketing

furs.in

surf.net.au

rfsu.net

surf.im

fsru.ru

furs.ru

surf.dk

surf

surf.su

surf.okinawa

frus.de

furs.us

surf.co.ke

rfsu.es

furs.nyc

furs.com.cn

rfsu.fi

surf.tech

fusr.de

surf.run

sufr.cz

surf.nl

ufrs.org

surf.markets

frsu.pl

fusr.dk

surf.coffee

surf.church

furs.net.cn

rfus.com

DNS History

25 records (7 active, 18 former)

○NSdns.site5.com2015-08-24 → 2016-11-01 · 4 obs

● 2015-08-24 14:18:42
● 2016-11-01 04:55:36
○ 2016-11-22 05:56:32
○ 2026-07-01 07:52:20

○NSdns2.site5.com2015-08-24 → 2016-11-01 · 4 obs

● 2015-08-24 14:18:42
● 2016-11-01 04:55:36
○ 2016-11-22 05:56:32
○ 2026-07-01 07:52:20

○NSexpirepages-kiae-1.nic.ru2016-11-22 → 2016-12-07 · 5 obs

○ 2016-11-01 04:55:36
● 2016-11-22 05:56:32
● 2016-12-07 09:52:58
○ 2016-12-20 09:00:46
○ 2026-07-01 07:52:20

○NSexpirepages-kiae-2.nic.ru2016-11-22 → 2016-12-07 · 5 obs

○ 2016-11-01 04:55:36
● 2016-11-22 05:56:32
● 2016-12-07 09:52:58
○ 2016-12-20 09:00:46
○ 2026-07-01 07:52:20

●NSezra.ns.cloudflare.com2026-02-16 → 2026-07-01 · 3 obs

○ 2021-06-12 21:04:08
● 2026-02-16 10:38:54
● 2026-07-01 07:52:20

●NSlila.ns.cloudflare.com2026-02-16 → 2026-07-01 · 3 obs

○ 2021-06-12 21:04:08
● 2026-02-16 10:38:54
● 2026-07-01 07:52:20

○NSns1.dalabu.ru2021-06-12 → 2021-06-12 · 4 obs

○ 2016-12-20 09:00:46
● 2021-06-12 21:04:08
○ 2026-02-16 10:38:54
○ 2026-07-01 07:52:20

○NSns2.dalabu.ru2021-06-12 → 2021-06-12 · 4 obs

○ 2016-12-20 09:00:46
● 2021-06-12 21:04:08
○ 2026-02-16 10:38:54
○ 2026-07-01 07:52:20

○NSsrv.dalabu.ru2021-06-12 → 2021-06-12 · 4 obs

○ 2016-12-20 09:00:46
● 2021-06-12 21:04:08
○ 2026-02-16 10:38:54
○ 2026-07-01 07:52:20

○MXmail.usrf.ru2021-06-12 → 2021-06-12 · 4 obs

○ 2016-12-20 09:00:46
● 2021-06-12 21:04:08
○ 2026-02-16 10:38:54
○ 2026-07-01 07:52:20

●MXmx.yandex.net2026-02-16 → 2026-07-01 · 3 obs

○ 2021-06-12 21:04:08
● 2026-02-16 10:38:54
● 2026-07-01 07:52:20

○MXnomail.nic.ru2016-11-22 → 2016-12-07 · 5 obs

○ 2016-11-01 04:55:36
● 2016-11-22 05:56:32
● 2016-12-07 09:52:58
○ 2016-12-20 09:00:46
○ 2026-07-01 07:52:20

○MXusrf.ru2015-08-24 → 2016-11-01 · 4 obs

● 2015-08-24 14:18:42
● 2016-11-01 04:55:36
○ 2016-11-22 05:56:32
○ 2026-07-01 07:52:20

○MXwebmail.usrf.ru2015-08-24 → 2016-11-01 · 4 obs

● 2015-08-24 14:18:42
● 2016-11-01 04:55:36
○ 2016-11-22 05:56:32
○ 2026-07-01 07:52:20

●A104.21.40.2452026-02-16 → 2026-07-01 · 6 obs

○ 2021-06-12 21:04:08
● 2026-02-16 10:38:54
● 2026-03-15 23:27:58
○ 2026-03-20 02:35:22
● 2026-03-20 04:27:34
● 2026-07-01 07:52:20

○A108.174.148.92015-08-24 → 2016-01-28 · 4 obs

● 2015-08-24 14:18:42
● 2016-01-28 20:45:52
○ 2016-04-30 16:20:42
○ 2026-07-01 07:52:20

○A109.70.26.372016-11-22 → 2016-12-07 · 5 obs

○ 2016-11-01 04:55:36
● 2016-11-22 05:56:32
● 2016-12-07 09:52:58
○ 2016-12-20 09:00:46
○ 2026-07-01 07:52:20

○A172.64.80.12026-03-20 → 2026-03-20 · 4 obs

○ 2026-03-15 23:27:58
● 2026-03-20 02:35:22
○ 2026-03-20 04:27:34
○ 2026-07-01 07:52:20

●A172.67.140.1002026-02-16 → 2026-07-01 · 6 obs

○ 2021-06-12 21:04:08
● 2026-02-16 10:38:54
● 2026-03-15 23:27:58
○ 2026-03-20 02:35:22
● 2026-03-20 04:27:34
● 2026-07-01 07:52:20

○A178.162.211.682016-12-31 → 2017-01-16 · 5 obs

○ 2016-12-20 09:00:46
● 2016-12-31 20:32:56
● 2017-01-16 16:11:28
○ 2021-06-12 21:04:08
○ 2026-07-01 07:52:20

○A194.85.61.762016-11-22 → 2016-12-07 · 5 obs

○ 2016-11-01 04:55:36
● 2016-11-22 05:56:32
● 2016-12-07 09:52:58
○ 2016-12-20 09:00:46
○ 2026-07-01 07:52:20

○A213.232.240.1872021-06-12 → 2021-06-12 · 4 obs

○ 2017-01-16 16:11:28
● 2021-06-12 21:04:08
○ 2026-02-16 10:38:54
○ 2026-07-01 07:52:20

●A2606:4700:3035::ac43:8c642026-02-16 → 2026-07-01 · 3 obs

○ 2021-06-12 21:04:08
● 2026-02-16 10:38:54
● 2026-07-01 07:52:20

●A2606:4700:3036::6815:28f52026-02-16 → 2026-07-01 · 3 obs

○ 2021-06-12 21:04:08
● 2026-02-16 10:38:54
● 2026-07-01 07:52:20

○A50.22.220.362016-04-30 → 2016-11-01 · 5 obs

○ 2016-01-28 20:45:52
● 2016-04-30 16:20:42
● 2016-11-01 04:55:36
○ 2016-11-22 05:56:32
○ 2026-07-01 07:52:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	f.dns.ripn.net, e.dns.ripn.net, b.dns.ripn.net, a.dns.ripn.net...	-
usrf.ru	lila.ns.cloudflare.com, ezra.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.186

NS records: lila.ns.cloudflare.com, ezra.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for usrf.ru (unsigned zone)

⏱️ Timing

Total: 665ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.40.245, 172.67.140.100`
AAAA	2	`2606:4700:3035::ac43:8c64, 2606:4700:3036::6815:28f5`
NS	2	`ezra.ns.cloudflare.com, lila.ns.cloudflare.com`
MX	1	`mx.yandex.net (pri: 10)`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ezra.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

usrf.ru sits above ns.usrf.ru, webmail.usrf.ru and mail.usrf.ru in the domain hierarchy.

IP Addresses

usrf.ru directs to four IP numbers, which are 104.21.40.245, 172.67.140.100, 2606:4700:3035::ac43:8c64 and 2606:4700:3036::6815:28f5.

tj.cvxxfls.vu, hostingexpert.in, www.rightstuffmedia.com plus two other host names have IP numbers in common with usrf.ru.

Name Servers

DNS delegation for usrf.ru points to two name servers: ezra.ns.cloudflare.com and lila.ns.cloudflare.com.

The name server configuration of usrf.ru is shared with other domains, for instance usac123.com, clas(0x706f726e)o.org, findyourtrips.net and two others.

There is at least partial name server overlap between usrf.ru and other domains — gg51-lkft786.vip, getairim.com, dirksen.info and two more among them.

The name servers thea.ns.cloudflare.com, suzanne.ns.cloudflare.com and daniella.ns.cloudflare.com are often found in combination with these name servers.

Hosts with 6 IP addresses each:

ezra.ns.cloudflare.com has IP addresses 108.162.195.15, 162.159.44.15 and 172.64.35.15, plus 3 other.

lila.ns.cloudflare.com has IP addresses 108.162.192.186, 172.64.32.186 and 173.245.58.186, plus 3 other.

Mail Servers

usrf.ru uses one mail server — mx.yandex.net.

The mail server setup of usrf.ru matches that of other domains such as ankor.expert, strigunkova.ru, upasser.com and two others.

At least some of the mail servers used by usrf.ru are shared with other domains: wiki-kuzbass.ru, karmatech.ee, rus-uzory.ru and two others among them.

mx.yandex.net carries two IP numbers: 77.88.21.249 and 2a02:6b8::311.