`citsum.ru`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:7b^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:96f3^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.0.123^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.150.243^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`guy.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bad^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`guy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ad^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`guy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ad^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`guy.ns.cloudflare.com`
		A	108.162.193.173^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`guy.ns.cloudflare.com`
		A	172.64.33.173^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`guy.ns.cloudflare.com`
		A	173.245.59.173^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`guy.ns.cloudflare.com`
NS	`liz.ns.cloudflare.com`
		A	2606:4700:50::adf5:3abd^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`liz.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0bd^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`liz.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20bd^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`liz.ns.cloudflare.com`
		A	108.162.192.189^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`liz.ns.cloudflare.com`
		A	172.64.32.189^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`liz.ns.cloudflare.com`
		A	173.245.58.189^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`liz.ns.cloudflare.com`
TXT	`v=spf1 ip4:109.248.133.141 -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.0.123, 172.67.150.243
		IPv6	2606:4700:3030::6815:7b, 2606:4700:3036::ac43:96f3
SOA	`guy.ns.cloudflare.com`dns@cloudflare.com serial=2400156824

`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=4068327

Same first word

citsum.com

citsum.ru

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DNS History

19 records (6 active, 13 former)

●NSguy.ns.cloudflare.com2026-03-26 → 2026-03-30 · 3 obs

○ 2016-09-15 21:01:08
● 2026-03-26 15:35:22
● 2026-03-30 05:53:38

●NSliz.ns.cloudflare.com2026-03-26 → 2026-03-30 · 3 obs

○ 2016-09-15 21:01:08
● 2026-03-26 15:35:22
● 2026-03-30 05:53:38

○NSns1.ihc.ru2015-12-15 → 2016-09-15 · 5 obs

○ 2015-10-14 04:22:42
● 2015-12-15 03:24:26
● 2016-09-15 21:01:08
○ 2026-03-26 15:35:22
○ 2026-03-30 05:53:38

○NSns1.timeweb.ru2015-08-15 → 2015-10-14 · 4 obs

● 2015-08-15 03:40:36
● 2015-10-14 04:22:42
○ 2015-12-15 03:24:26
○ 2026-03-30 05:53:38

○NSns2.ihc.ru2015-12-15 → 2016-09-15 · 5 obs

○ 2015-10-14 04:22:42
● 2015-12-15 03:24:26
● 2016-09-15 21:01:08
○ 2026-03-26 15:35:22
○ 2026-03-30 05:53:38

○NSns2.timeweb.ru2015-08-15 → 2015-10-14 · 4 obs

● 2015-08-15 03:40:36
● 2015-10-14 04:22:42
○ 2015-12-15 03:24:26
○ 2026-03-30 05:53:38

○NSns3.timeweb.org2015-08-15 → 2015-10-14 · 4 obs

● 2015-08-15 03:40:36
● 2015-10-14 04:22:42
○ 2015-12-15 03:24:26
○ 2026-03-30 05:53:38

○NSns4.timeweb.org2015-08-15 → 2015-10-14 · 4 obs

● 2015-08-15 03:40:36
● 2015-10-14 04:22:42
○ 2015-12-15 03:24:26
○ 2026-03-30 05:53:38

○MXmail.citsum.ru2015-12-15 → 2016-09-15 · 5 obs

○ 2015-10-14 04:22:42
● 2015-12-15 03:24:26
● 2016-09-15 21:01:08
○ 2026-03-26 15:35:22
○ 2026-03-30 05:53:38

○MXmx1.timeweb.ru2015-08-15 → 2015-10-14 · 4 obs

● 2015-08-15 03:40:36
● 2015-10-14 04:22:42
○ 2015-12-15 03:24:26
○ 2026-03-30 05:53:38

○MXmx2.timeweb.ru2015-08-15 → 2015-10-14 · 4 obs

● 2015-08-15 03:40:36
● 2015-10-14 04:22:42
○ 2015-12-15 03:24:26
○ 2026-03-30 05:53:38

●A104.21.0.1232026-03-26 → 2026-03-30 · 3 obs

○ 2017-09-23 21:12:48
● 2026-03-26 15:35:22
● 2026-03-30 05:53:38

●A172.67.150.2432026-03-26 → 2026-03-30 · 3 obs

○ 2017-09-23 21:12:48
● 2026-03-26 15:35:22
● 2026-03-30 05:53:38

○A178.162.211.682017-09-23 → 2017-09-23 · 4 obs

○ 2016-09-15 21:01:08
● 2017-09-23 21:12:48
○ 2026-03-26 15:35:22
○ 2026-03-30 05:53:38

●A2606:4700:3030::6815:7b2026-03-26 → 2026-03-30 · 3 obs

○ 2017-09-23 21:12:48
● 2026-03-26 15:35:22
● 2026-03-30 05:53:38

●A2606:4700:3036::ac43:96f32026-03-26 → 2026-03-30 · 3 obs

○ 2017-09-23 21:12:48
● 2026-03-26 15:35:22
● 2026-03-30 05:53:38

○A2a03:6f00:1::5c35:62bf2015-08-15 → 2015-10-14 · 4 obs

● 2015-08-15 03:40:36
● 2015-10-14 04:22:42
○ 2015-12-15 03:24:26
○ 2026-03-30 05:53:38

○A62.210.103.292015-12-15 → 2016-09-15 · 5 obs

○ 2015-10-14 04:22:42
● 2015-12-15 03:24:26
● 2016-09-15 21:01:08
○ 2017-09-23 21:12:48
○ 2026-03-30 05:53:38

○A92.53.98.1912015-08-15 → 2015-10-14 · 4 obs

● 2015-08-15 03:40:36
● 2015-10-14 04:22:42
○ 2015-12-15 03:24:26
○ 2026-03-30 05:53:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...	-
citsum.ru	liz.ns.cloudflare.com, guy.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.189

NS records: liz.ns.cloudflare.com, guy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for citsum.ru (unsigned zone)

⏱️ Timing

Total: 703ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.150.243, 104.21.0.123`
AAAA	2	`2606:4700:3036::ac43:96f3, 2606:4700:3030::6815:7b`
NS	2	`guy.ns.cloudflare.com, liz.ns.cloudflare.com`
TXT	1	`v=spf1 ip4:109.248.133.141 -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`guy.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

citsum.ru maps to four IP numbers: 2606:4700:3030::6815:7b, 2606:4700:3036::ac43:96f3, 104.21.0.123 and 172.67.150.243.

Other host names, for instance udomwit.ac.th, needdirt.com.au, asitecnia.com, pulsarti.com.br and lawsuitsformesothelioma87655.blog-kids.com share IP numbers with citsum.ru.

Name Servers

Two name servers guy.ns.cloudflare.com and liz.ns.cloudflare.com handle delegation for citsum.ru.

citsum.ru uses the same name server setup as other domains, for example mviv.ru, dreamywoman.com, lolimoli.ru, vetimpex.ru and lugor.org.ua.

citsum.ru partially shares name servers with other domains; examples include w3n5j8f9.com, imao.co.jp, (0x736578)y168.center, zentral.pro and ecom.house.

Host names with six IP numbers: guy.ns.cloudflare.com points to: 2606:4700:58::adf5:3bad, 2803:f800:50::6ca2:c1ad, 2a06:98c1:50::ac40:21ad, 108.162.193.173, 172.64.33.173 and 173.245.59.173; liz.ns.cloudflare.com points to: 2606:4700:50::adf5:3abd, 2803:f800:50::6ca2:c0bd, 2a06:98c1:50::ac40:20bd, 108.162.192.189, 172.64.32.189 and 173.245.58.189.

citsum.ru - robtex.com

citsum.ru

ru

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`citsum.ru`

`ru`