math.ru - dns.ninja

`math.ru`

DNSSEC	⚠️ Not signed
A	185.30.228.135^{🇷🇺 COMPLAT-AS185.30.228.0/23 ISP-company COMPLAT Russia, Moscow}
NS	`ns1.yandexcloud.net` ⭐
		A	2a0d:d6c1:0:1a::1b4^{🇷🇺 YandexCloud2a0d:d6c1::/32}
			PTR	`ns1.yandexcloud.net`
		A	84.201.185.208^{🇷🇺 YandexCloud84.201.184.0/22 Yandex Cloud}
			PTR	`ns1.yandexcloud.net`
NS	`ns2.yandexcloud.net`
		A	2a0d:d6c1:0:1a::2c9^{🇷🇺 YandexCloud2a0d:d6c1::/32}
			PTR	`ns2.yandexcloud.net`
		A	84.201.189.229^{🇷🇺 YandexCloud84.201.188.0/23 Yandex Cloud}
			PTR	`ns2.yandexcloud.net`
MX	`marple.mccme.ru` ⭐
		A	185.54.136.66^{🇷🇺 MCCME-AS185.54.136.0/23 RU-MCCME-IPv4}
TXT	`v=spf1 a mx ptr ip4:185.54.136.66 ?all`
TXT	`google-site-verification=GwuPzieHD24ehN9XTY4pJzzNy295N4LhGGOnes7NJH0`
TXT	`yandex-verification: 3b95af957e14058e`
SOA	`ns1.yandexcloud.net`mx@cloud.yandex.net serial=1

`ru`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.ripn.net` ⭐
	NS	`b.dns.ripn.net`
	NS	`c.tld-servers.ru`
	NS	`d.dns.ripn.net`
	NS	`e.dns.ripn.net`
	NS	`f.dns.ripn.net`
	SOA	`a.dns.ripn.net`hostmaster@ripn.net serial=4069703

rank #229880 globally
rank #7018 in the tld
WOT: SAFE (92/100)
📈 Tranco rank: #391,096

Subdomains

7.math.ru

Same first word

math.ma

math.run

math.im

math.bet

math.business

math.jp

math.art

math.ir

math.vercel.app

math.group

math.academy

math.world

math.bot

math.us

math.org.uk

math.info

math.tools

math.at

math.bingo

math.red

math.wmflabs.org

math.be

math.net.cn

math.se

math.team

math.com.au

math.hamburg

math.edu.pl

math.lt

math.dk

math.gl

math.net

math.fr

math.graphics

math.st

math.gr

math.foundation

math.games

math.cl

math.center

math.tv

math.fi

math.ras.ru

math.gallery

math.in.ua

math.org.mx

math.no

math.education

math.events

math.kz

math.com.ua

math.org.il

math.ca

math.pictures

math.cm

math.now

math.ge

math.guru

math.tel

math.sk

math.fish

math.fo

math.works

math.wmcloud.org

math.canva-apps.cn

math.vn

math.fit

math.cafe

math.ru

math.org.tw

math.dev

math.careers

math.eu

math.expert

math.plus

math.capital

math.rs

math.mx

math.pages.dev

math.report

math.it

math.nyc

math.org

math.com

math.ac.vn

math.de

math.company

math.solutions

math.md

math.web.id

math.ac.cn

math.farm

math.zone

math.ly

math.management

math.blue

math.in.th

math.mobi

math.cool

math.es

math.ch

math.nu

math.life

math.hr

math.ph

math.diamonds

math.co.kr

math.marketing

math.school

math.com.mx

math.pro

math.wtf

math.is

Similar names

tham.de

tham.me

mtha.de

htma.org

tmha.net

tamh.com

ahmt.ru

tham.info

athm.net

maht.org

htam.co.uk

athm.com

thma.no

htma.de

tamh.org

hamt.org

amht.org.uk

tham.co.th

tmha.cn

hamt.de

tmah.com

mhat.net

ahmt.me

amht.ru

amth.com

hamt.ru

mhta.de

htam.com.tw

tahm.org

hmat.org

hmat.cn

thma.org.tw

athm.co

mhat.tv

mhta.co.uk

mtha.co.zw

htma.co.uk

htma.hu

tham.ru

tham.com.tw

htam.net

tham.org

hamt.or.jp

hmat.de

tham.com

tham.sg

htam.com

mtah.net

athm.org

hmta.com

mhta.org

tham.com.br

thma.ru

mhta.com

ahtm.org

hatm.de

DNS History

12 records (4 active, 8 former)

○NScastle.mccme.ru2015-06-07 → 2016-06-05 · 4 obs

● 2015-06-07 22:11:40
● 2016-06-05 08:34:52
○ 2016-06-22 20:31:46
○ 2026-07-22 04:25:06

○NSmarple.mccme.ru2015-06-07 → 2016-06-05 · 4 obs

● 2015-06-07 22:11:40
● 2016-06-05 08:34:52
○ 2016-06-22 20:31:46
○ 2026-07-22 04:25:06

○NSns.mccme.ru2016-06-22 → 2020-10-30 · 5 obs

○ 2016-06-05 08:34:52
● 2016-06-22 20:31:46
● 2020-10-30 11:08:12
○ 2026-02-15 08:05:20
○ 2026-07-22 04:25:06

○NSns1.mccme.ru2016-06-22 → 2020-10-30 · 5 obs

○ 2016-06-05 08:34:52
● 2016-06-22 20:31:46
● 2020-10-30 11:08:12
○ 2026-02-15 08:05:20
○ 2026-07-22 04:25:06

●NSns1.yandexcloud.net2026-02-15 → 2026-07-22 · 3 obs

○ 2020-10-30 11:08:12
● 2026-02-15 08:05:20
● 2026-07-22 04:25:06

○NSns2.mccme.ru2016-06-22 → 2020-10-30 · 5 obs

○ 2016-06-05 08:34:52
● 2016-06-22 20:31:46
● 2020-10-30 11:08:12
○ 2026-02-15 08:05:20
○ 2026-07-22 04:25:06

●NSns2.yandexcloud.net2026-02-15 → 2026-07-22 · 3 obs

○ 2020-10-30 11:08:12
● 2026-02-15 08:05:20
● 2026-07-22 04:25:06

●MXmarple.mccme.ru2020-10-30 → 2026-07-22 · 3 obs

○ 2017-01-14 01:23:18
● 2020-10-30 11:08:12
● 2026-07-22 04:25:06

○MXmx.mccme.ru2015-06-07 → 2017-01-14 · 4 obs

● 2015-06-07 22:11:40
● 2017-01-14 01:23:18
○ 2020-10-30 11:08:12
○ 2026-07-22 04:25:06

○MXmx1.mccme.ru2015-06-07 → 2017-01-14 · 4 obs

● 2015-06-07 22:11:40
● 2017-01-14 01:23:18
○ 2020-10-30 11:08:12
○ 2026-07-22 04:25:06

●A185.30.228.1352020-10-30 → 2026-07-22 · 3 obs

○ 2017-01-14 01:23:18
● 2020-10-30 11:08:12
● 2026-07-22 04:25:06

○A188.93.107.1102015-06-07 → 2017-01-14 · 4 obs

● 2015-06-07 22:11:40
● 2017-01-14 01:23:18
○ 2020-10-30 11:08:12
○ 2026-07-22 04:25:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, c.tld-servers.ru, d.dns.ripn.net...	-
math.ru	ns2.yandexcloud.net, ns1.yandexcloud.net	-

✅ Authoritative Response

Server:84.201.189.229

NS records: ns2.yandexcloud.net, ns1.yandexcloud.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for math.ru (unsigned zone)

⏱️ Timing

Total: 1063ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.30.228.135`
NS	2	`ns1.yandexcloud.net, ns2.yandexcloud.net`
MX	1	`marple.mccme.ru (pri: 10)`
TXT	3	`v=spf1 a mx ptr ip4:185.54.136.66 ?all, google-site-verification=GwuPzieHD24ehN9...`
SOA	1	`ns1.yandexcloud.net mx.cloud.yandex.net`

Analysis

Hierarchy

The domain 7.math.ru falls under the parent math.ru.

IP Addresses

math.ru points to a single IP number: 185.30.228.135.

Additional host names — kursitet.ru, edu.olimpiada.ru, kpdbio.ru and two others — share IP numbers with math.ru.

Name Servers

The NS records for math.ru delegate to ns1.yandexcloud.net and ns2.yandexcloud.net.

math.ru shares its name server setup with other domains, including yoohu.ru, synapse-studio.ru, xn--h1aaob5a.xn--p1ai and two others.

math.ru shares at least some of its name servers with other domains, for example bork.com, mc.yandex.cloud, directcrm.ru and tecos.ru.

ns1.yandexcloud.net resolves to 84.201.185.208 and 2a0d:d6c1:0:1a::1b4. Likewise, ns2.yandexcloud.net resolves to 84.201.189.229 and 2a0d:d6c1:0:1a::2c9 — two IP addresses apiece.

Mail Servers

math.ru has one mail server: marple.mccme.ru.

math.ru shares the same mail server setup as other domains, including olimpiadakurchatov.ru, kpdbio.ru, rfse.org and two others.

math.ru partially shares its mail servers with other domains; known examples include mosolymp.ru, mccme.ru and olimpiada.ru.

These mail servers are frequently seen alongside the mail servers mx.mccme.ru.

marple.mccme.ru resolves to 185.54.136.66 and no other IP number.