821.com.mx - dns.ninja

821.com.mx

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:1c03🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::ac43:aa1c🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.28.3Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.170.28🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkehlani.ns.cloudflare.com ⭐
A2606:4700:50::a29f:26df🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkehlani.ns.cloudflare.com
A2803:f800:50::6ca2:c2df🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkehlani.ns.cloudflare.com
A2a06:98c1:50::ac40:22df🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkehlani.ns.cloudflare.com
A108.162.194.223🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkehlani.ns.cloudflare.com
A162.159.38.223Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkehlani.ns.cloudflare.com
A172.64.34.223🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkehlani.ns.cloudflare.com
NSwatson.ns.cloudflare.com
A2606:4700:58::a29f:2c17🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwatson.ns.cloudflare.com
A2803:f800:50::6ca2:c317🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRwatson.ns.cloudflare.com
A2a06:98c1:50::ac40:2317🇺🇸 Cloudflare2a06:98c1:50::/45
PTRwatson.ns.cloudflare.com
A108.162.195.23🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwatson.ns.cloudflare.com
A162.159.44.23Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwatson.ns.cloudflare.com
A172.64.35.23🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwatson.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.28.3, 172.67.170.28
IPv6 hints2606:4700:3032::6815:1c03, 2606:4700:3032::ac43:aa1c
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=85, name=cloudflare-ech.com
SOAkehlani.ns.cloudflare.comdns@cloudflare.com serial=2408833857

com.mx

DNSSEC⚠️ Not signed
NSm.mx-ns.mx ⭐ ⚠️ Not in parent delegation
NSc.mx-ns.mx ⚠️ Not in parent delegation
NSe.mx-ns.mx ⚠️ Not in parent delegation
NSi.mx-ns.mx ⚠️ Not in parent delegation
NSo.mx-ns.mx ⚠️ Not in parent delegation
NSx.mx-ns.mx ⚠️ Not in parent delegation
TXTv=spf1 -all
SOAm.mx-ns.mxhostmaster@nic.mx serial=1785464069
WOT: NOT_SAFE (44/100)

Same first word

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821.sk
821.ca
821.ru
821.org
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821.nl
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821.com
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821.net.cn
821.red
821.ir
821.or.jp
821.in
821.cc
821.mobi
821.pl
821.eu

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DNS History

13 records (6 active, 7 former)

20162017201820192020202120222023202420252026NSkehlani.ns.cloudflare.comwatson.ns.cloudflare.comns1.821.com.mxns1.mediatemple.netns2.821.com.mxns2.mediatemple.netMXmail.821.com.mxA104.21.28.3172.67.170.282606:4700:3032::6815:1c032606:4700:3032::ac43:aa1c31.220.57.9564.207.185.67
●NSkehlani.ns.cloudflare.com2026-07-15 → 2026-07-31 · 3 obs
○ 2017-05-27 22:04:42
● 2026-07-15 06:23:56
● 2026-07-31 02:18:06
○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
○ 2026-07-31 02:18:06
○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
○ 2026-07-31 02:18:06
○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
○ 2026-07-31 02:18:06
○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
○ 2026-07-31 02:18:06
●NSwatson.ns.cloudflare.com2026-07-15 → 2026-07-31 · 3 obs
○ 2017-05-27 22:04:42
● 2026-07-15 06:23:56
● 2026-07-31 02:18:06
○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
○ 2026-07-31 02:18:06
●A104.21.28.32026-07-15 → 2026-07-31 · 3 obs
○ 2017-05-27 22:04:42
● 2026-07-15 06:23:56
● 2026-07-31 02:18:06
●A172.67.170.282026-07-15 → 2026-07-31 · 3 obs
○ 2017-05-27 22:04:42
● 2026-07-15 06:23:56
● 2026-07-31 02:18:06
●A2606:4700:3032::6815:1c032026-07-15 → 2026-07-31 · 3 obs
○ 2017-05-27 22:04:42
● 2026-07-15 06:23:56
● 2026-07-31 02:18:06
●A2606:4700:3032::ac43:aa1c2026-07-15 → 2026-07-31 · 3 obs
○ 2017-05-27 22:04:42
● 2026-07-15 06:23:56
● 2026-07-31 02:18:06
○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
○ 2026-07-31 02:18:06
○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
○ 2026-07-31 02:18:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
mxo.mx-ns.mx, c.mx-ns.mx, i.mx-ns.mx, e.mx-ns.mx...-
821.com.mxkehlani.ns.cloudflare.com, watson.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.195.23

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 428ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.28.3, 172.67.170.28
AAAA22606:4700:3032::ac43:aa1c, 2606:4700:3032::6815:1c03
NS2kehlani.ns.cloudflare.com, watson.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1kehlani.ns.cloudflare.com dns.cloudflare

Analysis

IP Addresses

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

Among the host names that share IP numbers with 821.com.mx are mathollhofda.is, (0x63756e74)warsemail.com, jianan998.com and two others.

Name Servers

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

821.com.mx has the same name server delegation as a number of other domains, such as tasdevri.com.tr, xn--54qy85au3qhf4a.com.co, servbits.com and two more.

821.com.mx partially shares its NS delegation with several other domains, including houstonkcs.com, hulubet.net, kino-bugs.ru and two others.

These name servers regularly co-occur with the name servers christian.ns.cloudflare.com, otto.ns.cloudflare.com and rita.ns.cloudflare.com.

Host names resolving to 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.