`schoolmadmas.ru`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:1345^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:b999^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.19.69^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.185.153^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`chin.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a54^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c054^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`chin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2054^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`chin.ns.cloudflare.com`
		A	108.162.192.84^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chin.ns.cloudflare.com`
		A	172.64.32.84^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chin.ns.cloudflare.com`
		A	173.245.58.84^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chin.ns.cloudflare.com`
NS	`ishaan.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cd5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ishaan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3d5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ishaan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23d5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ishaan.ns.cloudflare.com`
		A	108.162.195.213^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ishaan.ns.cloudflare.com`
		A	162.159.44.213^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ishaan.ns.cloudflare.com`
		A	172.64.35.213^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ishaan.ns.cloudflare.com`
TXT	`google-site-verification=RQhTa40D-kOXO3Sfg5NJDbpTsuiCVJyUtfDww5Cj76U`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.19.69, 172.67.185.153
		IPv6 hints	2606:4700:3032::6815:1345, 2606:4700:3033::ac43:b999
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=112, name=cloudflare-ech.com
SOA	`chin.ns.cloudflare.com`dns@cloudflare.com serial=2398213897

`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=4068509

Same first word

schoolmadmas.ru

DNS History

13 records (6 active, 7 former)

●NSchin.ns.cloudflare.com2026-03-26 → 2026-04-14 · 3 obs

○ 2017-01-06 11:52:56
● 2026-03-26 07:48:44
● 2026-04-14 08:13:10

●NSishaan.ns.cloudflare.com2026-03-26 → 2026-04-14 · 3 obs

○ 2017-01-06 11:52:56
● 2026-03-26 07:48:44
● 2026-04-14 08:13:10

○NSns.setup.ru2015-05-23 → 2017-01-06 · 4 obs

● 2015-05-23 16:00:26
● 2017-01-06 11:52:56
○ 2026-03-26 07:48:44
○ 2026-04-14 08:13:10

○NSns2.setup.ru2015-05-23 → 2017-01-06 · 4 obs

● 2015-05-23 16:00:26
● 2017-01-06 11:52:56
○ 2026-03-26 07:48:44
○ 2026-04-14 08:13:10

○MXmx.yandex.ru2015-05-23 → 2017-01-06 · 4 obs

● 2015-05-23 16:00:26
● 2017-01-06 11:52:56
○ 2026-03-26 07:48:44
○ 2026-04-14 08:13:10

●A104.21.19.692026-03-26 → 2026-04-14 · 3 obs

○ 2017-01-06 11:52:56
● 2026-03-26 07:48:44
● 2026-04-14 08:13:10

●A172.67.185.1532026-03-26 → 2026-04-14 · 3 obs

○ 2017-01-06 11:52:56
● 2026-03-26 07:48:44
● 2026-04-14 08:13:10

○A188.42.139.922016-04-28 → 2016-04-28 · 4 obs

○ 2016-02-09 12:41:58
● 2016-04-28 21:48:40
○ 2016-12-24 17:02:36
○ 2026-04-14 08:13:10

○A188.42.141.1562016-12-24 → 2017-01-06 · 5 obs

○ 2016-04-28 21:48:40
● 2016-12-24 17:02:36
● 2017-01-06 11:52:56
○ 2026-03-26 07:48:44
○ 2026-04-14 08:13:10

○A188.42.141.42016-02-09 → 2016-02-09 · 4 obs

○ 2015-10-25 22:19:02
● 2016-02-09 12:41:58
○ 2016-04-28 21:48:40
○ 2026-04-14 08:13:10

●A2606:4700:3032::6815:13452026-03-26 → 2026-04-14 · 3 obs

○ 2017-01-06 11:52:56
● 2026-03-26 07:48:44
● 2026-04-14 08:13:10

●A2606:4700:3033::ac43:b9992026-03-26 → 2026-04-14 · 3 obs

○ 2017-01-06 11:52:56
● 2026-03-26 07:48:44
● 2026-04-14 08:13:10

○A85.10.216.1092015-05-23 → 2015-10-25 · 4 obs

● 2015-05-23 16:00:26
● 2015-10-25 22:19:02
○ 2016-02-09 12:41:58
○ 2026-04-14 08:13:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	d.dns.ripn.net, a.dns.ripn.net, b.dns.ripn.net, f.dns.ripn.net...	-
schoolmadmas.ru	chin.ns.cloudflare.com, ishaan.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.213

NS records: chin.ns.cloudflare.com, ishaan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for schoolmadmas.ru (unsigned zone)

⏱️ Timing

Total: 877ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.185.153, 104.21.19.69`
AAAA	2	`2606:4700:3033::ac43:b999, 2606:4700:3032::6815:1345`
NS	2	`chin.ns.cloudflare.com, ishaan.ns.cloudflare.com`
TXT	1	`google-site-verification=RQhTa40D-kOXO3S`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`chin.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

schoolmadmas.ru refers to four IP numbers: 2606:4700:3032::6815:1345, 2606:4700:3033::ac43:b999, 104.21.19.69 and 172.67.185.153.

Other host names, for instance sd3m47.com, wipousnb.com, amurinvest.ru, difereconsultoria.com.br and squidi.com share IP numbers with schoolmadmas.ru.

Name Servers

schoolmadmas.ru's delegation uses two name servers: chin.ns.cloudflare.com and ishaan.ns.cloudflare.com.

schoolmadmas.ru uses the same name server setup as other domains, such as familyconfigma-443.workers.dev, atlasitrans.ru, balipackagetours.com, ejournalunigoro.com and ttransmarin.ru.

schoolmadmas.ru at least partially shares name servers with other domains, including indvestor.com, phim(0x736578)hayvn48.com, gomye.net, downloadkarate.com and cloudflaremetrics.com.

These name servers are commonly used with ivan.ns.cloudflare.com.

Host names with six IP numbers:

chin.ns.cloudflare.com points to 2606:4700:50::adf5:3a54, 2803:f800:50::6ca2:c054, 2a06:98c1:50::ac40:2054, 108.162.192.84, 172.64.32.84 and 173.245.58.84.

ishaan.ns.cloudflare.com points to 2606:4700:58::a29f:2cd5, 2803:f800:50::6ca2:c3d5, 2a06:98c1:50::ac40:23d5, 108.162.195.213, 162.159.44.213 and 172.64.35.213.

schoolmadmas.ru - robtex.com

schoolmadmas.ru

ru

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`schoolmadmas.ru`

`ru`