`edu-quality.ru`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:5781^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:8f5d^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.87.129^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.143.93^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`brynne.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2641^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brynne.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c241^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`brynne.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2241^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`brynne.ns.cloudflare.com`
		A	108.162.194.65^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brynne.ns.cloudflare.com`
		A	162.159.38.65^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brynne.ns.cloudflare.com`
		A	172.64.34.65^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brynne.ns.cloudflare.com`
NS	`nile.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bd6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nile.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1d6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nile.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21d6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nile.ns.cloudflare.com`
		A	108.162.193.214^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nile.ns.cloudflare.com`
		A	172.64.33.214^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nile.ns.cloudflare.com`
		A	173.245.59.214^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nile.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.87.129, 172.67.143.93
		IPv6 hints	2606:4700:3030::6815:5781, 2606:4700:3037::ac43:8f5d
SOA	`brynne.ns.cloudflare.com`dns@cloudflare.com serial=2400990803

`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=4068503

Same first word

edu-quality.ru

DNS History

14 records (6 active, 8 former)

●NSbrynne.ns.cloudflare.com2026-04-11 → 2026-04-13 · 3 obs

○ 2018-01-15 12:02:28
● 2026-04-11 01:38:08
● 2026-04-13 20:13:18

●NSnile.ns.cloudflare.com2026-04-11 → 2026-04-13 · 3 obs

○ 2018-01-15 12:02:28
● 2026-04-11 01:38:08
● 2026-04-13 20:13:18

○NSns3.nic.ru2015-09-02 → 2018-01-15 · 4 obs

● 2015-09-02 23:28:40
● 2018-01-15 12:02:28
○ 2026-04-11 01:38:08
○ 2026-04-13 20:13:18

○NSns4.nic.ru2015-09-02 → 2018-01-15 · 4 obs

● 2015-09-02 23:28:40
● 2018-01-15 12:02:28
○ 2026-04-11 01:38:08
○ 2026-04-13 20:13:18

○NSns8.nic.ru2015-09-02 → 2018-01-15 · 4 obs

● 2015-09-02 23:28:40
● 2018-01-15 12:02:28
○ 2026-04-11 01:38:08
○ 2026-04-13 20:13:18

○MXmx01.nicmail.ru2015-09-02 → 2018-01-15 · 4 obs

● 2015-09-02 23:28:40
● 2018-01-15 12:02:28
○ 2026-04-11 01:38:08
○ 2026-04-13 20:13:18

○MXmx02.nicmail.ru2015-09-02 → 2018-01-15 · 4 obs

● 2015-09-02 23:28:40
● 2018-01-15 12:02:28
○ 2026-04-11 01:38:08
○ 2026-04-13 20:13:18

○MXmx03.nicmail.ru2015-09-02 → 2018-01-15 · 4 obs

● 2015-09-02 23:28:40
● 2018-01-15 12:02:28
○ 2026-04-11 01:38:08
○ 2026-04-13 20:13:18

●A104.21.87.1292026-04-11 → 2026-04-13 · 3 obs

○ 2018-01-15 12:02:28
● 2026-04-11 01:38:08
● 2026-04-13 20:13:18

●A172.67.143.932026-04-11 → 2026-04-13 · 3 obs

○ 2018-01-15 12:02:28
● 2026-04-11 01:38:08
● 2026-04-13 20:13:18

○A195.208.1.1022018-01-15 → 2018-01-15 · 4 obs

○ 2017-01-11 06:07:08
● 2018-01-15 12:02:28
○ 2026-04-11 01:38:08
○ 2026-04-13 20:13:18

○A195.208.1.1442015-09-02 → 2017-01-11 · 4 obs

● 2015-09-02 23:28:40
● 2017-01-11 06:07:08
○ 2018-01-15 12:02:28
○ 2026-04-13 20:13:18

●A2606:4700:3030::6815:57812026-04-11 → 2026-04-13 · 3 obs

○ 2018-01-15 12:02:28
● 2026-04-11 01:38:08
● 2026-04-13 20:13:18

●A2606:4700:3037::ac43:8f5d2026-04-11 → 2026-04-13 · 3 obs

○ 2018-01-15 12:02:28
● 2026-04-11 01:38:08
● 2026-04-13 20:13:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...	-
edu-quality.ru	brynne.ns.cloudflare.com, nile.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.214

NS records: brynne.ns.cloudflare.com, nile.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for edu-quality.ru (unsigned zone)

⏱️ Timing

Total: 623ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.143.93, 104.21.87.129`
AAAA	2	`2606:4700:3030::6815:5781, 2606:4700:3037::ac43:8f5d`
NS	2	`brynne.ns.cloudflare.com, nile.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`brynne.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

edu-quality.ru resolves to four IPs: 2606:4700:3030::6815:5781, 2606:4700:3037::ac43:8f5d, 104.21.87.129 and 172.67.143.93.

Other host names, for instance jhf-forbund.dk, bulak.kz, atcomweb.gr, tzrbjd.com and xv3tp77jp.dnnmm.cn share IP numbers with edu-quality.ru.

Name Servers

edu-quality.ru has two name servers: brynne.ns.cloudflare.com and nile.ns.cloudflare.com.

edu-quality.ru shares the same name server setup as other domains, for example zakaz-kovki.ru, xn--80abmjfjlochzmc.com, russian-jeep.ru, paraibaonline.com.br and soono.net.

edu-quality.ru shares some name servers with other domains, for example gates-of-olympus.com.de, teamtic.com, homr.nl, 00366.org and labs2025spark.digital.

These name servers are commonly used together with sue.ns.cloudflare.com and sasha.ns.cloudflare.com.

Host names with six IP numbers: brynne.ns.cloudflare.com points to: 2606:4700:50::a29f:2641, 2803:f800:50::6ca2:c241, 2a06:98c1:50::ac40:2241, 108.162.194.65, 162.159.38.65 and 172.64.34.65; nile.ns.cloudflare.com points to: 2606:4700:58::adf5:3bd6, 2803:f800:50::6ca2:c1d6, 2a06:98c1:50::ac40:21d6, 108.162.193.214, 172.64.33.214 and 173.245.59.214.

edu-quality.ru - robtex.com

edu-quality.ru

ru

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`edu-quality.ru`

`ru`