`krstr.ru`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:7f2^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:bc19^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.7.242^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.188.25^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`darwin.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b97^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darwin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c197^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`darwin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2197^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`darwin.ns.cloudflare.com`
		A	108.162.193.151^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darwin.ns.cloudflare.com`
		A	172.64.33.151^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darwin.ns.cloudflare.com`
		A	173.245.59.151^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darwin.ns.cloudflare.com`
NS	`sarah.ns.cloudflare.com`
		A	2606:4700:50::a29f:26da^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sarah.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2da^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sarah.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22da^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sarah.ns.cloudflare.com`
		A	108.162.194.218^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sarah.ns.cloudflare.com`
		A	162.159.38.218^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sarah.ns.cloudflare.com`
		A	172.64.34.218^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sarah.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.7.242, 172.67.188.25
		IPv6 hints	2606:4700:3031::6815:7f2, 2606:4700:3037::ac43:bc19
SOA	`darwin.ns.cloudflare.com`dns@cloudflare.com serial=2399586323

`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=4068829

Same first word

krstr.com

krstr.ru

Similar names

rstrk.com

trkrs.ru

krsrt.com

trkrs.com

rkstr.com

strkr.com

DNS History

15 records (6 active, 9 former)

●NSdarwin.ns.cloudflare.com2026-02-19 → 2026-05-11 · 3 obs

○ 2017-04-20 02:55:50
● 2026-02-19 08:53:46
● 2026-05-11 00:29:12

○NSns3.nic.ru2015-06-24 → 2017-04-20 · 4 obs

● 2015-06-24 09:27:32
● 2017-04-20 02:55:50
○ 2026-02-19 08:53:46
○ 2026-05-11 00:29:12

○NSns4.nic.ru2015-06-24 → 2017-04-20 · 4 obs

● 2015-06-24 09:27:32
● 2017-04-20 02:55:50
○ 2026-02-19 08:53:46
○ 2026-05-11 00:29:12

○NSns8.nic.ru2015-06-24 → 2017-04-20 · 4 obs

● 2015-06-24 09:27:32
● 2017-04-20 02:55:50
○ 2026-02-19 08:53:46
○ 2026-05-11 00:29:12

●NSsarah.ns.cloudflare.com2026-02-19 → 2026-05-11 · 3 obs

○ 2017-04-20 02:55:50
● 2026-02-19 08:53:46
● 2026-05-11 00:29:12

○MXmx01.nicmail.ru2015-06-24 → 2017-04-20 · 4 obs

● 2015-06-24 09:27:32
● 2017-04-20 02:55:50
○ 2026-02-19 08:53:46
○ 2026-05-11 00:29:12

○MXmx02.nicmail.ru2015-06-24 → 2017-04-20 · 4 obs

● 2015-06-24 09:27:32
● 2017-04-20 02:55:50
○ 2026-02-19 08:53:46
○ 2026-05-11 00:29:12

○MXmx03.nicmail.ru2015-06-24 → 2017-04-20 · 4 obs

● 2015-06-24 09:27:32
● 2017-04-20 02:55:50
○ 2026-02-19 08:53:46
○ 2026-05-11 00:29:12

●A104.21.7.2422026-02-19 → 2026-05-11 · 5 obs

○ 2017-04-20 02:55:50
● 2026-02-19 08:53:46
○ 2026-02-19 12:18:16
● 2026-03-22 21:52:10
● 2026-05-11 00:29:12

○A172.64.80.12026-02-19 → 2026-02-19 · 4 obs

○ 2026-02-19 08:53:46
● 2026-02-19 12:18:16
○ 2026-03-22 21:52:10
○ 2026-05-11 00:29:12

●A172.67.188.252026-02-19 → 2026-05-11 · 5 obs

○ 2017-04-20 02:55:50
● 2026-02-19 08:53:46
○ 2026-02-19 12:18:16
● 2026-03-22 21:52:10
● 2026-05-11 00:29:12

○A195.208.0.1032015-06-24 → 2017-04-20 · 4 obs

● 2015-06-24 09:27:32
● 2017-04-20 02:55:50
○ 2026-02-19 08:53:46
○ 2026-05-11 00:29:12

○A2606:4700:130:436c:6f75:6466:6c61:72652026-02-19 → 2026-02-19 · 4 obs

○ 2026-02-19 08:53:46
● 2026-02-19 12:18:16
○ 2026-03-22 21:52:10
○ 2026-05-11 00:29:12

●A2606:4700:3031::6815:7f22026-02-19 → 2026-05-11 · 5 obs

○ 2017-04-20 02:55:50
● 2026-02-19 08:53:46
○ 2026-02-19 12:18:16
● 2026-03-22 21:52:10
● 2026-05-11 00:29:12

●A2606:4700:3037::ac43:bc192026-02-19 → 2026-05-11 · 5 obs

○ 2017-04-20 02:55:50
● 2026-02-19 08:53:46
○ 2026-02-19 12:18:16
● 2026-03-22 21:52:10
● 2026-05-11 00:29:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, f.dns.ripn.net, e.dns.ripn.net...	-
krstr.ru	sarah.ns.cloudflare.com, darwin.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.218

NS records: sarah.ns.cloudflare.com, darwin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for krstr.ru (unsigned zone)

⏱️ Timing

Total: 1016ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.7.242, 172.67.188.25`
AAAA	2	`2606:4700:3031::6815:7f2, 2606:4700:3037::ac43:bc19`
NS	2	`darwin.ns.cloudflare.com, sarah.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`darwin.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

krstr.ru refers to four IP numbers: 2606:4700:3031::6815:7f2, 2606:4700:3037::ac43:bc19, 104.21.7.242 and 172.67.188.25.

Other host names, for instance larrylock.com, ssl.mietkautionsportal.de, spadaan.pnp.ac.id, xahjgd.net and www.afab.co.uk share IP numbers with krstr.ru.

Name Servers

krstr.ru's delegation uses two name servers: darwin.ns.cloudflare.com and sarah.ns.cloudflare.com.

The name server setup for krstr.ru is the same as for other domains, such as zakazcenter.ru, carpetim.co.il, at-mo.com and rhymeforce.com.

krstr.ru at least partially shares name servers with other domains, including 340.co.uk, freerentalreport.com, rmoka.com, shvhg.com and nbghph94z6hn.com.

These name servers are often used with kia.ns.cloudflare.com and ada.ns.cloudflare.com.

Host names with six IP numbers:

darwin.ns.cloudflare.com points to 2606:4700:58::adf5:3b97, 2803:f800:50::6ca2:c197, 2a06:98c1:50::ac40:2197, 108.162.193.151, 172.64.33.151 and 173.245.59.151.

sarah.ns.cloudflare.com points to 2606:4700:50::a29f:26da, 2803:f800:50::6ca2:c2da, 2a06:98c1:50::ac40:22da, 108.162.194.218, 162.159.38.218 and 172.64.34.218.

krstr.ru - robtex.com

krstr.ru

ru

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`krstr.ru`

`ru`