`academic2.ru`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:2da4^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:d8a6^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.45.164^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.216.166^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`clayton.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2ce2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clayton.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3e2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`clayton.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23e2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`clayton.ns.cloudflare.com`
		A	108.162.195.226^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clayton.ns.cloudflare.com`
		A	162.159.44.226^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clayton.ns.cloudflare.com`
		A	172.64.35.226^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clayton.ns.cloudflare.com`
NS	`connie.ns.cloudflare.com`
		A	2606:4700:50::adf5:3af7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`connie.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0f7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`connie.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20f7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`connie.ns.cloudflare.com`
		A	108.162.192.247^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`connie.ns.cloudflare.com`
		A	172.64.32.247^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`connie.ns.cloudflare.com`
		A	173.245.58.247^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`connie.ns.cloudflare.com`
MX	`_dc-mx.44ba6cc97c36.academic2.ru` ⭐
		A	185.241.61.157^{🇳🇱 PODAON185.241.61.0/24}
			PTR	`185-241-61-157.netherlands-2.vps.ac`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.45.164, 172.67.216.166
		IPv6 hints	2606:4700:3031::6815:2da4, 2606:4700:3031::ac43:d8a6
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=213, name=cloudflare-ech.com
SOA	`clayton.ns.cloudflare.com`dns@cloudflare.com serial=2399021990

`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=4068388

DNS History

14 records (7 active, 7 former)

●NSclayton.ns.cloudflare.com2026-04-04 → 2026-04-04 · 3 obs

○ 2020-09-18 22:42:20
● 2026-04-04 08:43:58
● 2026-04-04 08:44:02

●NSconnie.ns.cloudflare.com2026-04-04 → 2026-04-04 · 3 obs

○ 2020-09-18 22:42:20
● 2026-04-04 08:43:58
● 2026-04-04 08:44:02

○NSns.masterhost.ru2019-12-19 → 2020-09-18 · 4 obs

● 2019-12-19 01:59:48
● 2020-09-18 22:42:20
○ 2026-04-04 08:43:58
○ 2026-04-04 08:44:02

○NSns1.masterhost.ru2019-12-19 → 2020-09-18 · 4 obs

● 2019-12-19 01:59:48
● 2020-09-18 22:42:20
○ 2026-04-04 08:43:58
○ 2026-04-04 08:44:02

○NSns2.masterhost.ru2019-12-19 → 2020-09-18 · 4 obs

● 2019-12-19 01:59:48
● 2020-09-18 22:42:20
○ 2026-04-04 08:43:58
○ 2026-04-04 08:44:02

●MX_dc-mx.44ba6cc97c36.academic2.ru2026-04-04 → 2026-04-04 · 3 obs

○ 2020-09-18 22:42:20
● 2026-04-04 08:43:58
● 2026-04-04 08:44:02

○MXmx.yandex.net2019-12-19 → 2020-09-18 · 4 obs

● 2019-12-19 01:59:48
● 2020-09-18 22:42:20
○ 2026-04-04 08:43:58
○ 2026-04-04 08:44:02

●A104.21.45.1642026-04-04 → 2026-04-04 · 3 obs

○ 2020-09-18 22:42:20
● 2026-04-04 08:43:58
● 2026-04-04 08:44:02

○A138.201.23.842019-12-19 → 2020-09-18 · 4 obs

● 2019-12-19 01:59:48
● 2020-09-18 22:42:20
○ 2026-04-04 08:43:58
○ 2026-04-04 08:44:02

○A138.201.81.432019-12-19 → 2020-09-18 · 4 obs

● 2019-12-19 01:59:48
● 2020-09-18 22:42:20
○ 2026-04-04 08:43:58
○ 2026-04-04 08:44:02

●A172.67.216.1662026-04-04 → 2026-04-04 · 3 obs

○ 2020-09-18 22:42:20
● 2026-04-04 08:43:58
● 2026-04-04 08:44:02

●A2606:4700:3031::6815:2da42026-04-04 → 2026-04-04 · 3 obs

○ 2020-09-18 22:42:20
● 2026-04-04 08:43:58
● 2026-04-04 08:44:02

●A2606:4700:3031::ac43:d8a62026-04-04 → 2026-04-04 · 3 obs

○ 2020-09-18 22:42:20
● 2026-04-04 08:43:58
● 2026-04-04 08:44:02

○A46.4.94.842020-09-18 → 2020-09-18 · 4 obs

○ 2019-12-19 01:59:48
● 2020-09-18 22:42:20
○ 2026-04-04 08:43:58
○ 2026-04-04 08:44:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	d.dns.ripn.net, a.dns.ripn.net, e.dns.ripn.net, f.dns.ripn.net...	-
academic2.ru	connie.ns.cloudflare.com, clayton.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.226

NS records: connie.ns.cloudflare.com, clayton.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for academic2.ru (unsigned zone)

⏱️ Timing

Total: 620ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.216.166, 104.21.45.164`
AAAA	2	`2606:4700:3031::ac43:d8a6, 2606:4700:3031::6815:2da4`
NS	2	`clayton.ns.cloudflare.com, connie.ns.cloudflare.com`
MX	2	`_dc-mx.44ba6cc97c36.academic2.ru (pri: 1, _dc-mx.44ba6cc97c36.academic2.ru (pri: 2`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`clayton.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

academic2.ru resolves to four IPs: 2606:4700:3031::6815:2da4, 2606:4700:3031::ac43:d8a6, 104.21.45.164 and 172.67.216.166.

Other host names such as blc888vip.com, zzea.cn, wedar.com, jsicp.com.cn and v.dnxb.shop share IP numbers with academic2.ru.

Name Servers

academic2.ru is delegated to two name servers: clayton.ns.cloudflare.com and connie.ns.cloudflare.com.

academic2.ru uses the same name server setup as other domains, including contractormortgagesdirect.co.uk, telehbwyal.ink, atomagic.com, cinestream.info and telelhzbtw.xin.

At least part of the name servers for academic2.ru are shared with other domains, for instance adfree.ro, slakoff.com, doublebates.com, kinova.com and lewislet.com.

These name servers are commonly used alongside the name servers virginia.ns.cloudflare.com.

Host names with six IP numbers:

clayton.ns.cloudflare.com points to: 2606:4700:58::a29f:2ce2, 2803:f800:50::6ca2:c3e2, 2a06:98c1:50::ac40:23e2, 108.162.195.226, 162.159.44.226 and 172.64.35.226.

connie.ns.cloudflare.com points to: 2606:4700:50::adf5:3af7, 2803:f800:50::6ca2:c0f7, 2a06:98c1:50::ac40:20f7, 108.162.192.247, 172.64.32.247 and 173.245.58.247.

Mail Servers

The mail server for academic2.ru is _dc-mx.44ba6cc97c36.academic2.ru.

Host _dc-mx.44ba6cc97c36.academic2.ru points to IP 185.241.61.157.

academic2.ru - robtex.com

academic2.ru

ru

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`academic2.ru`

`ru`