math.edu - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`math.edu`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:1740^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:d177^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.23.64^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.209.119^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`daphne.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26a9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`daphne.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2a9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`daphne.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22a9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`daphne.ns.cloudflare.com`
		A	108.162.194.169^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`daphne.ns.cloudflare.com`
		A	162.159.38.169^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`daphne.ns.cloudflare.com`
		A	172.64.34.169^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`daphne.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	`route2.mx.cloudflare.net` ⭐
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁵⁰⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁹¹⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.23.64, 172.67.209.119
		IPv6 hints	2606:4700:3031::6815:1740, 2606:4700:3035::ac43:d177
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=191, name=cloudflare-ech.com
SOA	`daphne.ns.cloudflare.com`dns@cloudflare.com serial=2408229735

`edu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.edu-servers.net` ⭐
	NS	`b.edu-servers.net`
	NS	`c.edu-servers.net`
	NS	`d.edu-servers.net`
	NS	`e.edu-servers.net`
	NS	`f.edu-servers.net`
	NS	`g.edu-servers.net`
	NS	`h.edu-servers.net`
	NS	`i.edu-servers.net`
	NS	`j.edu-servers.net`
	NS	`k.edu-servers.net`
	NS	`l.edu-servers.net`
	NS	`m.edu-servers.net`
	SOA	`a.edu-servers.net`nstld@verisign-grs.com serial=1786892769

Same first word

math.events

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math.com.ua

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math.ca

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math.cm

math.now

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thma.no

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tmha.cn

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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

htma.us

DNS History

19 records (9 active, 10 former)

●NSdaphne.ns.cloudflare.com2026-08-16 → 2026-08-16 · 3 obs

○ 2019-05-28 02:40:22
● 2026-08-16 04:59:38
● 2026-08-16 15:06:24

○NShidden-master.yahoo.com2015-06-11 → 2019-05-28 · 4 obs

● 2015-06-11 11:13:54
● 2019-05-28 02:40:22
○ 2026-08-16 04:59:38
○ 2026-08-16 15:06:24

●NSsid.ns.cloudflare.com2026-08-16 → 2026-08-16 · 3 obs

○ 2019-05-28 02:40:22
● 2026-08-16 04:59:38
● 2026-08-16 15:06:24

○NSyns1.yahoo.com2015-06-11 → 2019-05-28 · 4 obs

● 2015-06-11 11:13:54
● 2019-05-28 02:40:22
○ 2026-08-16 04:59:38
○ 2026-08-16 15:06:24

○NSyns2.yahoo.com2015-06-11 → 2019-05-28 · 4 obs

● 2015-06-11 11:13:54
● 2019-05-28 02:40:22
○ 2026-08-16 04:59:38
○ 2026-08-16 15:06:24

○MXmx-biz.mail.am0.yahoodns.net2015-06-11 → 2019-05-28 · 4 obs

● 2015-06-11 11:13:54
● 2019-05-28 02:40:22
○ 2026-08-16 04:59:38
○ 2026-08-16 15:06:24

●MXroute1.mx.cloudflare.net2026-08-16 → 2026-08-16 · 3 obs

○ 2019-05-28 02:40:22
● 2026-08-16 04:59:38
● 2026-08-16 15:06:24

●MXroute2.mx.cloudflare.net2026-08-16 → 2026-08-16 · 3 obs

○ 2019-05-28 02:40:22
● 2026-08-16 04:59:38
● 2026-08-16 15:06:24

●MXroute3.mx.cloudflare.net2026-08-16 → 2026-08-16 · 3 obs

○ 2019-05-28 02:40:22
● 2026-08-16 04:59:38
● 2026-08-16 15:06:24

●A104.21.23.642026-08-16 → 2026-08-16 · 2 obs

○ 2026-08-16 04:59:38
● 2026-08-16 15:06:24

●A172.67.209.1192026-08-16 → 2026-08-16 · 2 obs

○ 2026-08-16 04:59:38
● 2026-08-16 15:06:24

○A188.114.96.02026-08-16 → 2026-08-16 · 3 obs

○ 2019-05-28 02:40:22
● 2026-08-16 04:59:38
○ 2026-08-16 15:06:24

○A188.114.97.02026-08-16 → 2026-08-16 · 3 obs

○ 2019-05-28 02:40:22
● 2026-08-16 04:59:38
○ 2026-08-16 15:06:24

●A2606:4700:3031::6815:17402026-08-16 → 2026-08-16 · 2 obs

○ 2026-08-16 04:59:38
● 2026-08-16 15:06:24

●A2606:4700:3035::ac43:d1772026-08-16 → 2026-08-16 · 2 obs

○ 2026-08-16 04:59:38
● 2026-08-16 15:06:24

○A2a06:98c1:3120::2026-08-16 → 2026-08-16 · 3 obs

○ 2019-05-28 02:40:22
● 2026-08-16 04:59:38
○ 2026-08-16 15:06:24

○A2a06:98c1:3121::2026-08-16 → 2026-08-16 · 3 obs

○ 2019-05-28 02:40:22
● 2026-08-16 04:59:38
○ 2026-08-16 15:06:24

○A98.137.244.372019-05-28 → 2019-05-28 · 4 obs

○ 2017-05-15 05:45:50
● 2019-05-28 02:40:22
○ 2026-08-16 04:59:38
○ 2026-08-16 15:06:24

○A98.138.19.1432015-06-11 → 2017-05-15 · 4 obs

● 2015-06-11 11:13:54
● 2017-05-15 05:45:50
○ 2019-05-28 02:40:22
○ 2026-08-16 15:06:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
edu	d.edu-servers.net, b.edu-servers.net, f.edu-servers.net, h.edu-servers.net...	26 records
math.edu	sid.ns.cloudflare.com, daphne.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.143

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for math.edu (unsigned zone)

⏱️ Timing

Total: 658ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.23.64, 172.67.209.119`
AAAA	2	`2606:4700:3035::ac43:d177, 2606:4700:3031::6815:1740`
NS	2	`daphne.ns.cloudflare.com, sid.ns.cloudflare.com`
MX	3	`route2.mx.cloudflare.net (pri: 15), route3.mx.cloudflare.net (pri: 50)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`daphne.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 26

Out-of-bailiwick: 26 (d.edu-servers.net, d.edu-servers.net, b.edu-servers.net...)

Analysis

IP Addresses

math.edu has four IP addresses: 104.21.23.64, 172.67.209.119, 2606:4700:3031::6815:1740 and 2606:4700:3035::ac43:d177.

Two other host names, along with forinelosq.cf, 58youpin.com and decision-coach.com, also share IP numbers with math.edu.

Name Servers

DNS delegation for math.edu points to two name servers: daphne.ns.cloudflare.com and sid.ns.cloudflare.com.

math.edu shares its NS records with other domains, for example szymj.com.cn, velocityt.com, xtfortune.com.cn and two others.

math.edu partially shares its NS delegation with several other domains, including sayedhanafy.net, elitekingy.com, jolbox.com and two others.

These name servers are regularly seen alongside terin.ns.cloudflare.com and aldo.ns.cloudflare.com as name servers.

DNS names with 6 IP addresses:

daphne.ns.cloudflare.com has IP addresses 108.162.194.169, 162.159.38.169 and 172.64.34.169, plus 3 other.

sid.ns.cloudflare.com has IP addresses 108.162.193.143, 172.64.33.143 and 173.245.59.143, plus 3 other.

Mail Servers

math.edu uses three mail servers — route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

There is at least a partial MX overlap between math.edu and other domains, including vidova.ai, myjunkie.com, cheaphomepolicy.com and two others.

DNS names with 6 IP addresses:

route1.mx.cloudflare.net has IP addresses 162.159.205.11, 162.159.205.12 and 162.159.205.13, plus 3 other.

route2.mx.cloudflare.net has IP addresses 162.159.205.17, 162.159.205.18 and 162.159.205.19, plus 3 other.

route3.mx.cloudflare.net has IP addresses 162.159.205.23, 162.159.205.24 and 162.159.205.25, plus 3 other.