mathchan.org - dns.ninja

`mathchan.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:9bb4^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:4220^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.66.32^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.155.180^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`damon.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b60^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`damon.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c160^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`damon.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2160^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`damon.ns.cloudflare.com`
		A	108.162.193.96^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`damon.ns.cloudflare.com`
		A	172.64.33.96^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`damon.ns.cloudflare.com`
		A	173.245.59.96^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`damon.ns.cloudflare.com`
NS	`natasha.ns.cloudflare.com`
		A	2606:4700:50::a29f:2675^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`natasha.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c275^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`natasha.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2275^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`natasha.ns.cloudflare.com`
		A	108.162.194.117^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`natasha.ns.cloudflare.com`
		A	162.159.38.117^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`natasha.ns.cloudflare.com`
		A	172.64.34.117^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`natasha.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.66.32, 172.67.155.180
		IPv6 hints	2606:4700:3034::ac43:9bb4, 2606:4700:3037::6815:4220
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=53, name=cloudflare-ech.com
SOA	`damon.ns.cloudflare.com`dns@cloudflare.com serial=2408534629

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1784214553

Same first word

mathchan.gr

mathchan.org

Similar names

nachmath.com

chanhtam.org

camthanh.com.vn

hatchman.com

hatchman.net

camthanh.com

camthanh.net

chanhtam.com

hachtman.com

DNS History

8 records (6 active, 2 former)

●NSdamon.ns.cloudflare.com2026-02-19 → 2026-07-16 · 2 obs

● 2026-02-19 14:58:46
● 2026-07-16 15:28:32

●NSnatasha.ns.cloudflare.com2026-02-19 → 2026-07-16 · 2 obs

● 2026-02-19 14:58:46
● 2026-07-16 15:28:32

●A104.21.66.322026-02-19 → 2026-07-16 · 2 obs

● 2026-02-19 14:58:46
● 2026-07-16 15:28:32

●A172.67.155.1802026-02-19 → 2026-07-16 · 2 obs

● 2026-02-19 14:58:46
● 2026-07-16 15:28:32

○A2606:4700:3032::6815:42202026-02-19 → 2026-06-11 · 3 obs

● 2026-02-19 14:58:46
● 2026-06-11 17:48:06
○ 2026-07-16 15:28:32

○A2606:4700:3033::ac43:9bb42026-02-19 → 2026-06-11 · 3 obs

● 2026-02-19 14:58:46
● 2026-06-11 17:48:06
○ 2026-07-16 15:28:32

●A2606:4700:3034::ac43:9bb42026-07-16 → 2026-07-16 · 2 obs

○ 2026-06-11 17:48:06
● 2026-07-16 15:28:32

●A2606:4700:3037::6815:42202026-07-16 → 2026-07-16 · 2 obs

○ 2026-06-11 17:48:06
● 2026-07-16 15:28:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	d0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org	-
mathchan.org	damon.ns.cloudflare.com, natasha.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.96

NS records: damon.ns.cloudflare.com, natasha.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathchan.org (unsigned zone)

⏱️ Timing

Total: 1700ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.155.180, 104.21.66.32`
AAAA	2	`2606:4700:3037::6815:4220, 2606:4700:3034::ac43:9bb4`
NS	2	`damon.ns.cloudflare.com, natasha.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`damon.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

mathchan.org directs to four IP numbers, which are 104.21.66.32, 172.67.155.180, 2606:4700:3034::ac43:9bb4 and 2606:4700:3037::6815:4220.

Two other host names, along with cdn.chinayongguang.com.cdn.cloudflare.net, 12412415151666.site and cursos.faculdadefacec.edu.br, also share IP numbers with mathchan.org.

Name Servers

mathchan.org has two authoritative name servers — damon.ns.cloudflare.com and natasha.ns.cloudflare.com.

mathchan.org shares its NS records with other domains, for example actutennis.com, vsemeda.com, courseflap.com and two others.

At least some of mathchan.org's name servers are shared with other domains, for example xn--joru63a.com, 012.pl, owynsafety.com and two more.

These name servers tend to co-occur with dns1.ednsglobal.net, dns2.ednsglobal.net, dns3.ednsglobal.net and 4 other name servers in the same DNS delegations.

DNS names with 6 IP addresses:

damon.ns.cloudflare.com points to 108.162.193.96, 172.64.33.96, 173.245.59.96 and 3 other IP addresses.

natasha.ns.cloudflare.com points to 108.162.194.117, 162.159.38.117, 172.64.34.117 and 3 other IP addresses.