math.jp - dns.ninja

`math.jp`

DNSSEC	⚠️ Not signed
A	76.76.21.21^{🇺🇸 Amazon76.76.21.0/24 EC2 Prefix}
NS	`donna.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a97^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donna.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c097^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`donna.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2097^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`donna.ns.cloudflare.com`
		A	108.162.192.151^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donna.ns.cloudflare.com`
		A	172.64.32.151^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donna.ns.cloudflare.com`
		A	173.245.58.151^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donna.ns.cloudflare.com`
NS	`sid.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b8f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sid.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c18f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sid.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:218f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sid.ns.cloudflare.com`
		A	108.162.193.143^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sid.ns.cloudflare.com`
		A	172.64.33.143^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sid.ns.cloudflare.com`
		A	173.245.59.143^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sid.ns.cloudflare.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c08::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bi-in-f27.1e100.net`
		A	2607:f8b0:4004:c23::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	2607:f8b0:4004:c23::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f27.1e100.net`
		A	2607:f8b0:4004:c27::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadsk-in-f27.1e100.net`
		A	172.253.63.26^{🇺🇸 Google172.253.63.0/24}
			PTR	`bi-in-f26.1e100.net`
		A	172.253.63.27^{🇺🇸 Google172.253.63.0/24}
			PTR	`bi-in-f27.1e100.net`
		A	172.253.139.27^{🇺🇸 Google172.253.139.0/24}
			PTR	`yuiadsk-in-f27.1e100.net`
		A	192.178.155.26^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	192.178.155.27^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f27.1e100.net`
TXT	`google-site-verification=LCs7myo1102Y9PNkqL2JhJvE0NUUlGUZpc7LtkDeNpE`
TXT	`google-site-verification=Sr_kqtWHANFwCBQQRpGcivdizWa5RMq8dTTn30MZpq8`
TXT	`v=spf1 ip4:202.172.28.144 include:_spf.google.com ~all`
SOA	`donna.ns.cloudflare.com`dns@cloudflare.com serial=2410403221

`jp`

	DNSSEC	🔒 Signed (DS record present)
	NS	`z.dns.jp` ⭐
	NS	`a.dns.jp`
	NS	`b.dns.jp`
	NS	`c.dns.jp`
	NS	`d.dns.jp`
	NS	`e.dns.jp`
	NS	`f.dns.jp`
	NS	`g.dns.jp`
	NS	`h.dns.jp`
	SOA	`z.dns.jp`root@dns.jp serial=1785208503

Subdomains

old.math.jp

Same first word

math.marketing

math.school

math.com.mx

math.pro

math.wtf

math.is

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.theworkpc.com

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

Similar names

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

hatm.nl

thma.com.tw

athm.ru

tahm.ee

mtha.fi

thma.co.uk

DNS History

4 records (4 active, 0 former)

●NSdonna.ns.cloudflare.com2026-05-12 → 2026-07-28 · 2 obs

● 2026-05-12 03:44:00
● 2026-07-28 03:33:50

●NSsid.ns.cloudflare.com2026-05-12 → 2026-07-28 · 2 obs

● 2026-05-12 03:44:00
● 2026-07-28 03:33:50

●MXsmtp.google.com2026-05-12 → 2026-07-28 · 2 obs

● 2026-05-12 03:44:00
● 2026-07-28 03:33:50

●A76.76.21.212026-05-12 → 2026-07-28 · 2 obs

● 2026-05-12 03:44:00
● 2026-07-28 03:33:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	h.dns.jp, g.dns.jp, a.dns.jp, e.dns.jp...	-
math.jp	donna.ns.cloudflare.com, sid.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.151

NS records: donna.ns.cloudflare.com, sid.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for math.jp (unsigned zone)

⏱️ Timing

Total: 1258ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`76.76.21.21`
NS	2	`donna.ns.cloudflare.com, sid.ns.cloudflare.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	3	`google-site-verification=LCs7myo1102Y9PN, google-site-verification=Sr_kqtWHANFwCBQ...`
SOA	1	`donna.ns.cloudflare.com dns.cloudflare.c`

Analysis

Hierarchy

old.math.jp is delegated beneath math.jp.

IP Addresses

math.jp resolves to one IP address: 76.76.21.21.

tonyleaheyford.com.au, viska.io, thenoplace.com and two other host names share IP numbers with math.jp.

Name Servers

math.jp has two authoritative name servers — donna.ns.cloudflare.com and sid.ns.cloudflare.com.

math.jp uses the same name servers as several other domains — among them advancedboxingworkshop.com, expertboxing.fr, manyi.xyz and two more.

There is at least partial name server overlap between math.jp and other domains — campingworldofchattanooga.com, bianca-s.com, crocodile3.com and two more among them.

The name servers moura.ns.cloudflare.com, nash.ns.cloudflare.com and bayan.ns.cloudflare.com are often found in combination with these name servers.

Hostnames that resolve to 6 IP addresses:

donna.ns.cloudflare.com points to 108.162.192.151, 172.64.32.151, 173.245.58.151 and 3 other IP addresses.

sid.ns.cloudflare.com points to 108.162.193.143, 172.64.33.143, 173.245.59.143 and 3 other IP addresses.

Mail Servers

Mail for math.jp is handled by a single mail server, smtp.google.com.

math.jp uses an identical mail server configuration to several other domains — among them kren.kr, craftedauto.com, corpem.com.br and two more.

math.jp has at least partial mail server overlap with other domains such as memwg.com, columbiamed.org, filamentree.com and two more.

These mail servers are routinely found in combination with the mail servers aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

smtp.google.com resolves to 9 IP addresses — 172.253.63.26, 172.253.63.27, 172.253.139.27 and 6 others.