`821.com.mx`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:1c03^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:aa1c^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.28.3^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.170.28^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kehlani.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26df^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kehlani.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2df^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kehlani.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22df^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kehlani.ns.cloudflare.com`
		A	108.162.194.223^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kehlani.ns.cloudflare.com`
		A	162.159.38.223^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kehlani.ns.cloudflare.com`
		A	172.64.34.223^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kehlani.ns.cloudflare.com`
NS	`watson.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c17^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`watson.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c317^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`watson.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2317^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`watson.ns.cloudflare.com`
		A	108.162.195.23^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`watson.ns.cloudflare.com`
		A	162.159.44.23^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`watson.ns.cloudflare.com`
		A	172.64.35.23^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`watson.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.28.3, 172.67.170.28
		IPv6 hints	2606:4700:3032::6815:1c03, 2606:4700:3032::ac43:aa1c
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=16, name=cloudflare-ech.com
SOA	`kehlani.ns.cloudflare.com`dns@cloudflare.com serial=2408833857

`com.mx`

	DNSSEC	⚠️ Not signed
	NS	`m.mx-ns.mx` ⭐ ⚠️ Not in parent delegation
	NS	`c.mx-ns.mx` ⚠️ Not in parent delegation
	NS	`e.mx-ns.mx` ⚠️ Not in parent delegation
	NS	`i.mx-ns.mx` ⚠️ Not in parent delegation
	NS	`o.mx-ns.mx` ⚠️ Not in parent delegation
	NS	`x.mx-ns.mx` ⚠️ Not in parent delegation
	TXT	`v=spf1 -all`
	SOA	`m.mx-ns.mx`hostmaster@nic.mx serial=1784436516

rank #405294 globally
rank #817 in the tld
WOT: NOT_SAFE (44/100)

Same first word

821.studio

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821.sk

821.ca

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821.org

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821.cn

821.com

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821.com.mx

821.net.cn

821.red

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821.or.jp

821.in

821.cc

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218.fr

218.mobi

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281.s3.amazonaws.com

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281.org

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281.in

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DNS History

13 records (6 active, 7 former)

●NSkehlani.ns.cloudflare.com2026-07-15 → 2026-07-19 · 3 obs

○ 2017-05-27 22:04:42
● 2026-07-15 06:23:56
● 2026-07-19 05:50:18

○NSns1.821.com.mx2017-05-27 → 2017-05-27 · 4 obs

○ 2016-09-26 17:46:56
● 2017-05-27 22:04:42
○ 2026-07-15 06:23:56
○ 2026-07-19 05:50:18

○NSns1.mediatemple.net2015-08-22 → 2016-09-26 · 4 obs

● 2015-08-22 14:37:42
● 2016-09-26 17:46:56
○ 2017-05-27 22:04:42
○ 2026-07-19 05:50:18

○NSns2.821.com.mx2017-05-27 → 2017-05-27 · 4 obs

○ 2016-09-26 17:46:56
● 2017-05-27 22:04:42
○ 2026-07-15 06:23:56
○ 2026-07-19 05:50:18

○NSns2.mediatemple.net2015-08-22 → 2016-09-26 · 4 obs

● 2015-08-22 14:37:42
● 2016-09-26 17:46:56
○ 2017-05-27 22:04:42
○ 2026-07-19 05:50:18

●NSwatson.ns.cloudflare.com2026-07-15 → 2026-07-19 · 3 obs

○ 2017-05-27 22:04:42
● 2026-07-15 06:23:56
● 2026-07-19 05:50:18

○MXmail.821.com.mx2015-08-22 → 2017-05-27 · 4 obs

● 2015-08-22 14:37:42
● 2017-05-27 22:04:42
○ 2026-07-15 06:23:56
○ 2026-07-19 05:50:18

●A104.21.28.32026-07-15 → 2026-07-19 · 3 obs

○ 2017-05-27 22:04:42
● 2026-07-15 06:23:56
● 2026-07-19 05:50:18

●A172.67.170.282026-07-15 → 2026-07-19 · 3 obs

○ 2017-05-27 22:04:42
● 2026-07-15 06:23:56
● 2026-07-19 05:50:18

●A2606:4700:3032::6815:1c032026-07-15 → 2026-07-19 · 3 obs

○ 2017-05-27 22:04:42
● 2026-07-15 06:23:56
● 2026-07-19 05:50:18

●A2606:4700:3032::ac43:aa1c2026-07-15 → 2026-07-19 · 3 obs

○ 2017-05-27 22:04:42
● 2026-07-15 06:23:56
● 2026-07-19 05:50:18

○A31.220.57.952017-05-27 → 2017-05-27 · 4 obs

○ 2016-09-26 17:46:56
● 2017-05-27 22:04:42
○ 2026-07-15 06:23:56
○ 2026-07-19 05:50:18

○A64.207.185.672015-08-22 → 2016-09-26 · 4 obs

● 2015-08-22 14:37:42
● 2016-09-26 17:46:56
○ 2017-05-27 22:04:42
○ 2026-07-19 05:50:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
mx	e.mx-ns.mx, o.mx-ns.mx, x.mx-ns.mx, c.mx-ns.mx...	-
821.com.mx	watson.ns.cloudflare.com, kehlani.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.23

NS records: watson.ns.cloudflare.com, kehlani.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 821.com.mx (unsigned zone)

⏱️ Timing

Total: 436ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.170.28, 104.21.28.3`
AAAA	2	`2606:4700:3032::ac43:aa1c, 2606:4700:3032::6815:1c03`
NS	2	`kehlani.ns.cloudflare.com, watson.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`kehlani.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

821.com.mx points to the four IP addresses 104.21.28.3, 172.67.170.28, 2606:4700:3032::6815:1c03 and 2606:4700:3032::ac43:aa1c.

Additional host names — mathollhofda.is, (0x63756e74)warsemail.com, jianan998.com and two others — share IP numbers with 821.com.mx.

Name Servers

821.com.mx is delegated to two name servers: kehlani.ns.cloudflare.com and watson.ns.cloudflare.com.

821.com.mx shares its name server setup with other domains, including tasdevri.com.tr, xn--54qy85au3qhf4a.com.co, servbits.com and two others.

At least some of 821.com.mx's name servers are shared with other domains, for example houstonkcs.com, hulubet.net, kino-bugs.ru and two more.

These name servers are often deployed together with the name servers otto.ns.cloudflare.com, christian.ns.cloudflare.com, nola.ns.cloudflare.com and vasilii.ns.cloudflare.com.

Host names with 6 IP numbers:

kehlani.ns.cloudflare.com resolves to 108.162.194.223, 162.159.38.223, 172.64.34.223 and 3 other IP addresses.

watson.ns.cloudflare.com resolves to 108.162.195.23, 162.159.44.23, 172.64.35.23 and 3 other IP addresses.

821.com.mx - robtex.com

821.com.mx

com.mx

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`821.com.mx`

`com.mx`