contextmx.com - robtex.com

contextmx.com

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:8f36🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:272f🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.39.47Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.143.54🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSishaan.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2cd5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRishaan.ns.cloudflare.com
A2803:f800:50::6ca2:c3d5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRishaan.ns.cloudflare.com
A2a06:98c1:50::ac40:23d5🇺🇸 Cloudflare2a06:98c1:50::/45
PTRishaan.ns.cloudflare.com
A108.162.195.213🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRishaan.ns.cloudflare.com
A162.159.44.213Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRishaan.ns.cloudflare.com
A172.64.35.213🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRishaan.ns.cloudflare.com
NSwalk.ns.cloudflare.com
A2606:4700:50::a29f:2680🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwalk.ns.cloudflare.com
A2803:f800:50::6ca2:c280🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRwalk.ns.cloudflare.com
A2a06:98c1:50::ac40:2280🇺🇸 Cloudflare2a06:98c1:50::/45
PTRwalk.ns.cloudflare.com
A108.162.194.128🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwalk.ns.cloudflare.com
A162.159.38.128Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwalk.ns.cloudflare.com
A172.64.34.128🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwalk.ns.cloudflare.com
MXcontextmx-com.mail.protection.outlook.com ⭐
A2a01:111:f403:c942::1🇨🇦 Microsoft2a01:111:f000::/36
PTRmail-yt3pr01cu00701.inbound.protection.outlook.com
A2a01:111:f403:c942::2🇨🇦 Microsoft2a01:111:f000::/36
PTRmail-yt3pr01cu00602.inbound.protection.outlook.com
A2a01:111:f403:c944::🇨🇦 Microsoft2a01:111:f000::/36
PTRmail-yqzpr01cu00900.inbound.protection.outlook.com
A2a01:111:f403:c944::1🇨🇦 Microsoft2a01:111:f000::/36
PTRmail-yqzpr01cu01001.inbound.protection.outlook.com
A52.101.190.0🇨🇦 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-yt5pr01cu00100.inbound.protection.outlook.com
A52.101.190.3🇨🇦 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-yt6pr01cu00103.inbound.protection.outlook.com
A52.101.192.0🇨🇦 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-yqzpr01cu00900.inbound.protection.outlook.com
A52.101.192.1🇨🇦 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-yqzpr01cu01001.inbound.protection.outlook.com
TXTNETORGFT20167755.onmicrosoft.com
TXTv=spf1 include:secureserver.net -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.39.47, 172.67.143.54
IPv6 hints2606:4700:3033::ac43:8f36, 2606:4700:3037::6815:272f
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=245, name=cloudflare-ech.com
SOAishaan.ns.cloudflare.comdns@cloudflare.com serial=2400902831

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1775457932

Same first word

contextmx.com

DNS History

14 records (7 active, 7 former)

20162017201820192020202120222023202420252026NSishaan.ns.cloudflare.comwalk.ns.cloudflare.comns13.domaincontrol.comns14.domaincontrol.comMXcontextmx-com.mail.protection.outlook.comin1-smtp.messagingengine.comin2-smtp.messagingengine.commail.contextmx.comA104.21.39.47172.67.143.542606:4700:3033::ac43:8f362606:4700:3037::6815:272f135.119.76.16227.54.87.157
●NSishaan.ns.cloudflare.com2026-04-06 → 2026-04-06 · 2 obs
○ 2026-03-23 08:18:12
● 2026-04-06 07:02:42
○NSns13.domaincontrol.com2015-05-28 → 2026-03-23 · 5 obs
● 2015-05-28 23:14:44
● 2017-04-04 16:15:02
○ 2020-02-25 01:55:16
● 2026-03-23 08:18:12
○ 2026-04-06 07:02:42
○NSns14.domaincontrol.com2015-05-28 → 2026-03-23 · 5 obs
● 2015-05-28 23:14:44
● 2017-04-04 16:15:02
○ 2020-02-25 01:55:16
● 2026-03-23 08:18:12
○ 2026-04-06 07:02:42
●NSwalk.ns.cloudflare.com2026-04-06 → 2026-04-06 · 2 obs
○ 2026-03-23 08:18:12
● 2026-04-06 07:02:42
●MXcontextmx-com.mail.protection.outlook.com2026-04-06 → 2026-04-06 · 2 obs
○ 2026-03-23 08:18:12
● 2026-04-06 07:02:42
○MXin1-smtp.messagingengine.com2026-03-23 → 2026-03-23 · 3 obs
○ 2020-02-25 01:55:16
● 2026-03-23 08:18:12
○ 2026-04-06 07:02:42
○MXin2-smtp.messagingengine.com2026-03-23 → 2026-03-23 · 3 obs
○ 2020-02-25 01:55:16
● 2026-03-23 08:18:12
○ 2026-04-06 07:02:42
○MXmail.contextmx.com2015-05-28 → 2017-04-04 · 4 obs
● 2015-05-28 23:14:44
● 2017-04-04 16:15:02
○ 2020-02-25 01:55:16
○ 2026-04-06 07:02:42
●A104.21.39.472026-04-06 → 2026-04-06 · 2 obs
○ 2026-03-23 08:18:12
● 2026-04-06 07:02:42
○A135.119.76.1622026-03-23 → 2026-03-23 · 3 obs
○ 2020-02-25 01:55:16
● 2026-03-23 08:18:12
○ 2026-04-06 07:02:42
●A172.67.143.542026-04-06 → 2026-04-06 · 2 obs
○ 2026-03-23 08:18:12
● 2026-04-06 07:02:42
●A2606:4700:3033::ac43:8f362026-04-06 → 2026-04-06 · 2 obs
○ 2026-03-23 08:18:12
● 2026-04-06 07:02:42
●A2606:4700:3037::6815:272f2026-04-06 → 2026-04-06 · 2 obs
○ 2026-03-23 08:18:12
● 2026-04-06 07:02:42
○A27.54.87.1572015-05-28 → 2017-04-04 · 4 obs
● 2015-05-28 23:14:44
● 2017-04-04 16:15:02
○ 2020-02-25 01:55:16
○ 2026-04-06 07:02:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
contextmx.comwalk.ns.cloudflare.com, ishaan.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.213

NS records: walk.ns.cloudflare.com, ishaan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contextmx.com (unsigned zone)

⏱️ Timing

Total: 254ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.39.47, 172.67.143.54
AAAA22606:4700:3037::6815:272f, 2606:4700:3033::ac43:8f36
NS2ishaan.ns.cloudflare.com, walk.ns.cloudflare.com
MX1contextmx-com.mail.protection.outlook.co
TXT2NETORGFT20167755.onmicrosoft.com, v=spf1 include:secureserver.net -all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1ishaan.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (walk.ns.cloudflare.com, walk.ns.cloudflare.com, walk.ns.cloudflare.com...)

Analysis

IP Addresses

contextmx.com points to four IP numbers: 2606:4700:3033::ac43:8f36, 2606:4700:3037::6815:272f, 104.21.39.47 and 172.67.143.54.

Other host names, for instance kadima.org.il, www.forumbahisi.com, bitcloutcode.com, silviyastanoeva.com and travelask.com.mx share IP numbers with contextmx.com.

Name Servers

contextmx.com's delegation is to two name servers ishaan.ns.cloudflare.com and walk.ns.cloudflare.com.

contextmx.com at least partially shares its name servers with other domains, for instance tip365.info, studiokaos.com, inspirecenter.co.uk, yannoe.ch and joicen.irish.

These name servers are often used together with the name servers glen.ns.cloudflare.com.

Host names with six IP numbers:

ishaan.ns.cloudflare.com points to: 2606:4700:58::a29f:2cd5, 2803:f800:50::6ca2:c3d5, 2a06:98c1:50::ac40:23d5, 108.162.195.213, 162.159.44.213 and 172.64.35.213.

walk.ns.cloudflare.com points to: 2606:4700:50::a29f:2680, 2803:f800:50::6ca2:c280, 2a06:98c1:50::ac40:2280, 108.162.194.128, 162.159.38.128 and 172.64.34.128.

Mail Servers

contextmx.com is served by a single mail server, contextmx-com.mail.protection.outlook.com.

The host name contextmx-com.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:c942::1, 2a01:111:f403:c942::2, 2a01:111:f403:c944::, 2a01:111:f403:c944::1, 52.101.190.0, 52.101.190.3, 52.101.192.0 and 52.101.192.1.