`optkzn.ru`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:d907^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:2dab^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.45.171^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.217.7^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dina.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a6b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c06b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:206b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dina.ns.cloudflare.com`
		A	108.162.192.107^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dina.ns.cloudflare.com`
		A	172.64.32.107^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dina.ns.cloudflare.com`
		A	173.245.58.107^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dina.ns.cloudflare.com`
NS	`ian.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b76^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ian.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c176^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ian.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2176^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ian.ns.cloudflare.com`
		A	108.162.193.118^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ian.ns.cloudflare.com`
		A	172.64.33.118^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ian.ns.cloudflare.com`
		A	173.245.59.118^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ian.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`
TXT	`v=spf1 redirect=_spf.yandex.net include:spf.unisender.com include:_spf.yandex...`
TXT	`yandex-verification: 4d50ad9d509ac6de`
TXT	`yandex-verification: a349106879d3c45d`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.45.171, 172.67.217.7
		IPv6	2606:4700:3034::ac43:d907, 2606:4700:3037::6815:2dab
SOA	`dina.ns.cloudflare.com`dns@cloudflare.com serial=2398896897

`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=4068289

PTR for

31.250.180.94.in-addr.arpa

Same first word

optkzn.ru

DNS History

14 records (7 active, 7 former)

●NSdina.ns.cloudflare.com2026-02-21 → 2026-03-27 · 3 obs

○ 2017-03-23 21:51:46
● 2026-02-21 03:53:12
● 2026-03-27 02:09:08

○NSfirstvds_ru2016-07-11 → 2017-03-23 · 4 obs

● 2016-07-11 11:22:28
● 2017-03-23 21:51:46
○ 2026-02-21 03:53:12
○ 2026-03-27 02:09:08

●NSian.ns.cloudflare.com2026-02-21 → 2026-03-27 · 3 obs

○ 2017-03-23 21:51:46
● 2026-02-21 03:53:12
● 2026-03-27 02:09:08

○NSns1.firstvds.ru2016-07-11 → 2017-03-23 · 4 obs

● 2016-07-11 11:22:28
● 2017-03-23 21:51:46
○ 2026-02-21 03:53:12
○ 2026-03-27 02:09:08

○NSns2.firstvds.ru2016-07-11 → 2017-03-23 · 4 obs

● 2016-07-11 11:22:28
● 2017-03-23 21:51:46
○ 2026-02-21 03:53:12
○ 2026-03-27 02:09:08

○MXemx.mail.ru2016-07-11 → 2017-03-23 · 4 obs

● 2016-07-11 11:22:28
● 2017-03-23 21:51:46
○ 2026-02-21 03:53:12
○ 2026-03-27 02:09:08

●MXmx.yandex.net2026-02-21 → 2026-03-27 · 3 obs

○ 2017-03-23 21:51:46
● 2026-02-21 03:53:12
● 2026-03-27 02:09:08

●A104.21.45.1712026-02-21 → 2026-03-27 · 3 obs

○ 2017-03-23 21:51:46
● 2026-02-21 03:53:12
● 2026-03-27 02:09:08

●A172.67.217.72026-02-21 → 2026-03-27 · 3 obs

○ 2017-03-23 21:51:46
● 2026-02-21 03:53:12
● 2026-03-27 02:09:08

○A213.159.208.2382016-07-11 → 2017-03-23 · 4 obs

● 2016-07-11 11:22:28
● 2017-03-23 21:51:46
○ 2026-02-21 03:53:12
○ 2026-03-27 02:09:08

●A2606:4700:3034::ac43:d9072026-02-21 → 2026-03-27 · 3 obs

○ 2017-03-23 21:51:46
● 2026-02-21 03:53:12
● 2026-03-27 02:09:08

●A2606:4700:3037::6815:2dab2026-02-21 → 2026-03-27 · 3 obs

○ 2017-03-23 21:51:46
● 2026-02-21 03:53:12
● 2026-03-27 02:09:08

○A2a01:230:2:6::4e62016-07-11 → 2017-03-23 · 4 obs

● 2016-07-11 11:22:28
● 2017-03-23 21:51:46
○ 2026-02-21 03:53:12
○ 2026-03-27 02:09:08

○PTRoptkzn.ru2017-03-23 → 2017-03-23 · 3 obs

● 2017-03-23 21:51:46
○ 2026-02-21 03:53:12
○ 2026-03-27 02:09:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	e.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, a.dns.ripn.net...	-
optkzn.ru	ian.ns.cloudflare.com, dina.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.118

NS records: ian.ns.cloudflare.com, dina.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optkzn.ru (unsigned zone)

⏱️ Timing

Total: 594ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.45.171, 172.67.217.7`
AAAA	2	`2606:4700:3037::6815:2dab, 2606:4700:3034::ac43:d907`
NS	2	`dina.ns.cloudflare.com, ian.ns.cloudflare.com`
MX	1	`mx.yandex.net (pri: 10)`
TXT	3	`v=spf1 redirect=_spf.yandex.net include:, yandex-verification: 4d50ad9d509ac6de...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dina.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

optkzn.ru points to four IP numbers: 2606:4700:3034::ac43:d907, 2606:4700:3037::6815:2dab, 104.21.45.171 and 172.67.217.7.

Other host names, for instance www.portlandeventphoto.com, maksdisplay.com, rurikagro.ru, smhpv.de and askourstaff.com share IP numbers with optkzn.ru.

Name Servers

Delegation for optkzn.ru rests with two name servers, dina.ns.cloudflare.com and ian.ns.cloudflare.com.

optkzn.ru shares the same name server setup as other domains, including simplyspoke.com, eatmymusic.com, komianos.com, alphacolin.com and securitopia.com.

optkzn.ru at least partially shares name servers with other domains, for instance tackleganker.com, kadxin.net, gogulfwinds.com, specialtybrandproducts.com and (0x72656474756265)i(0x787878).com.

these name servers are commonly used with lily.ns.cloudflare.com, dom.ns.cloudflare.com and stevie.ns.cloudflare.com.

Host names with six IP numbers: dina.ns.cloudflare.com points to: 2606:4700:50::adf5:3a6b, 2803:f800:50::6ca2:c06b, 2a06:98c1:50::ac40:206b, 108.162.192.107, 172.64.32.107 and 173.245.58.107. ian.ns.cloudflare.com points to: 2606:4700:58::adf5:3b76, 2803:f800:50::6ca2:c176, 2a06:98c1:50::ac40:2176, 108.162.193.118, 172.64.33.118 and 173.245.59.118.

Mail Servers

optkzn.ru is handled by a single mail server, mx.yandex.net.

optkzn.ru uses the same mail server configuration as other domains, such as skladmaps.ru, znau.pro, tennesseedriversservices.org, skat61.ru and webcity24.ru.

optkzn.ru shares mail servers with other domains at least in part, for instance strellson.online, ctnbilisim.com, rgt-ur.ru, otzivisotrudnikov.ru and zaperto.ru.

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

optkzn.ru - robtex.com

optkzn.ru

ru

PTR for

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`optkzn.ru`

`ru`