🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`contextsystem.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:1d97^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:9569^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.29.151^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.149.105^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`darl.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b62^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darl.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c162^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`darl.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2162^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`darl.ns.cloudflare.com`
		A	108.162.193.98^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darl.ns.cloudflare.com`
		A	172.64.33.98^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darl.ns.cloudflare.com`
		A	173.245.59.98^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darl.ns.cloudflare.com`
NS	`kami.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ab1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kami.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0b1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kami.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20b1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kami.ns.cloudflare.com`
		A	108.162.192.177^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kami.ns.cloudflare.com`
		A	172.64.32.177^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kami.ns.cloudflare.com`
		A	173.245.58.177^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kami.ns.cloudflare.com`
MX	`in1-smtp.messagingengine.com` ⭐
		A	103.168.172.216^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-01.messagingengine.com`
		A	103.168.172.217^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-02.messagingengine.com`
		A	103.168.172.218^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-03.messagingengine.com`
		A	103.168.172.219^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-04.messagingengine.com`
		A	103.168.172.220^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-05.messagingengine.com`
		A	103.168.172.221^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-06.messagingengine.com`
		A	103.168.172.222^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-07.messagingengine.com`
		A	103.168.172.223^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-08.messagingengine.com`
MX	`in2-smtp.messagingengine.com`⁽²⁰⁾
		A	202.12.124.216^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-01.messagingengine.com`
		A	202.12.124.217^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-02.messagingengine.com`
		A	202.12.124.218^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-03.messagingengine.com`
		A	202.12.124.219^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-04.messagingengine.com`
TXT	`v=spf1 include:spf.messagingengine.com ?all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.29.151, 172.67.149.105
		IPv6 hints	2606:4700:3031::6815:1d97, 2606:4700:3036::ac43:9569
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=122, name=cloudflare-ech.com
SOA	`darl.ns.cloudflare.com`dns@cloudflare.com serial=2413441032

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1788920653

Same first word

contextsystem.ai

contextsystem.com

Previous names

Next names

DNS History

29 records (8 active, 21 former)

●NSdarl.ns.cloudflare.com2026-09-05 → 2026-09-09 · 3 obs

○ 2017-08-18 07:59:18
● 2026-09-05 20:13:00
● 2026-09-09 02:31:48

●NSkami.ns.cloudflare.com2026-09-05 → 2026-09-09 · 3 obs

○ 2017-08-18 07:59:18
● 2026-09-05 20:13:00
● 2026-09-09 02:31:48

○NSns1.namebrightdns.com2015-07-02 → 2017-08-18 · 8 obs

● 2015-07-02 05:30:00
○ 2015-11-06 05:25:48
● 2016-01-27 06:12:18
○ 2016-04-16 18:26:06
○ 2016-12-02 02:26:22
● 2017-08-18 07:59:18
○ 2026-09-05 20:13:00
○ 2026-09-09 02:31:48

○NSns2.namebrightdns.com2017-08-18 → 2017-08-18 · 4 obs

○ 2016-12-02 02:26:22
● 2017-08-18 07:59:18
○ 2026-09-05 20:13:00
○ 2026-09-09 02:31:48

○NSnsg1.namebrightdns.com2015-07-02 → 2016-04-16 · 6 obs

● 2015-07-02 05:30:00
● 2015-11-06 05:25:48
○ 2016-01-27 06:12:18
● 2016-04-16 18:26:06
○ 2016-12-02 02:26:22
○ 2026-09-09 02:31:48

○NSnsg2.namebrightdns.com2015-07-02 → 2016-04-16 · 4 obs

● 2015-07-02 05:30:00
● 2016-04-16 18:26:06
○ 2016-12-02 02:26:22
○ 2026-09-09 02:31:48

○NSnst1.namebrightdns.com2016-12-02 → 2016-12-02 · 4 obs

○ 2016-04-16 18:26:06
● 2016-12-02 02:26:22
○ 2017-08-18 07:59:18
○ 2026-09-09 02:31:48

○NSnst2.namebrightdns.com2016-12-02 → 2016-12-02 · 4 obs

○ 2016-04-16 18:26:06
● 2016-12-02 02:26:22
○ 2017-08-18 07:59:18
○ 2026-09-09 02:31:48

○MXanmail.namebrightmail.com2015-07-02 → 2015-07-02 · 3 obs

● 2015-07-02 05:30:00
○ 2015-11-06 05:25:48
○ 2026-09-09 02:31:48

●MXin1-smtp.messagingengine.com2026-09-05 → 2026-09-09 · 3 obs

○ 2015-11-06 05:25:48
● 2026-09-05 20:13:00
● 2026-09-09 02:31:48

●MXin2-smtp.messagingengine.com2026-09-05 → 2026-09-09 · 3 obs

○ 2015-11-06 05:25:48
● 2026-09-05 20:13:00
● 2026-09-09 02:31:48

●A104.21.29.1512026-09-07 → 2026-09-09 · 3 obs

○ 2026-09-05 20:13:00
● 2026-09-07 04:39:20
● 2026-09-09 02:31:48

●A172.67.149.1052026-09-07 → 2026-09-09 · 3 obs

○ 2026-09-05 20:13:00
● 2026-09-07 04:39:20
● 2026-09-09 02:31:48

○A188.114.96.02026-09-05 → 2026-09-05 · 4 obs

○ 2017-08-18 07:59:18
● 2026-09-05 20:13:00
○ 2026-09-07 04:39:20
○ 2026-09-09 02:31:48

○A188.114.97.02026-09-05 → 2026-09-05 · 4 obs

○ 2017-08-18 07:59:18
● 2026-09-05 20:13:00
○ 2026-09-07 04:39:20
○ 2026-09-09 02:31:48

●A2606:4700:3031::6815:1d972026-09-07 → 2026-09-09 · 3 obs

○ 2026-09-05 20:13:00
● 2026-09-07 04:39:20
● 2026-09-09 02:31:48

●A2606:4700:3036::ac43:95692026-09-07 → 2026-09-09 · 3 obs

○ 2026-09-05 20:13:00
● 2026-09-07 04:39:20
● 2026-09-09 02:31:48

○A2a06:98c1:3120::2026-09-05 → 2026-09-05 · 4 obs

○ 2017-08-18 07:59:18
● 2026-09-05 20:13:00
○ 2026-09-07 04:39:20
○ 2026-09-09 02:31:48

○A2a06:98c1:3121::2026-09-05 → 2026-09-05 · 4 obs

○ 2017-08-18 07:59:18
● 2026-09-05 20:13:00
○ 2026-09-07 04:39:20
○ 2026-09-09 02:31:48

○A52.200.243.1232016-04-16 → 2016-04-16 · 4 obs

○ 2016-01-27 06:12:18
● 2016-04-16 18:26:06
○ 2016-12-02 02:26:22
○ 2026-09-09 02:31:48

○A52.5.157.2202016-12-02 → 2016-12-02 · 4 obs

○ 2016-04-16 18:26:06
● 2016-12-02 02:26:22
○ 2017-08-18 07:59:18
○ 2026-09-09 02:31:48

○A54.152.144.2432016-04-16 → 2016-04-16 · 4 obs

○ 2016-01-27 06:12:18
● 2016-04-16 18:26:06
○ 2016-12-02 02:26:22
○ 2026-09-09 02:31:48

○A54.174.31.2542015-07-02 → 2015-11-06 · 4 obs

● 2015-07-02 05:30:00
● 2015-11-06 05:25:48
○ 2016-01-27 06:12:18
○ 2026-09-09 02:31:48

○A54.208.74.2152015-07-02 → 2015-11-06 · 4 obs

● 2015-07-02 05:30:00
● 2015-11-06 05:25:48
○ 2016-01-27 06:12:18
○ 2026-09-09 02:31:48

○A54.209.90.812016-01-27 → 2016-01-27 · 4 obs

○ 2015-11-06 05:25:48
● 2016-01-27 06:12:18
○ 2016-04-16 18:26:06
○ 2026-09-09 02:31:48

○A54.84.53.382016-12-02 → 2016-12-02 · 4 obs

○ 2016-04-16 18:26:06
● 2016-12-02 02:26:22
○ 2017-08-18 07:59:18
○ 2026-09-09 02:31:48

○A54.85.54.292016-01-27 → 2016-01-27 · 4 obs

○ 2015-11-06 05:25:48
● 2016-01-27 06:12:18
○ 2016-04-16 18:26:06
○ 2026-09-09 02:31:48

○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-07-02 → 2016-04-16 · 4 obs

● 2015-07-02 05:30:00
● 2016-04-16 18:26:06
○ 2016-12-02 02:26:22
○ 2026-09-09 02:31:48

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2016-12-02 → 2017-08-18 · 5 obs

○ 2016-04-16 18:26:06
● 2016-12-02 02:26:22
● 2017-08-18 07:59:18
○ 2026-09-05 20:13:00
○ 2026-09-09 02:31:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, j.gtld-servers.net, m.gtld-servers.net, f.gtld-servers.net...	-
contextsystem.com	darl.ns.cloudflare.com, kami.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.98

NS records: darl.ns.cloudflare.com, kami.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contextsystem.com (unsigned zone)

⏱️ Timing

Total: 1088ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.149.105, 104.21.29.151`
AAAA	2	`2606:4700:3036::ac43:9569, 2606:4700:3031::6815:1d97`
NS	2	`darl.ns.cloudflare.com, kami.ns.cloudflare.com`
MX	2	`in1-smtp.messagingengine.com (pri: 10), in2-smtp.messagingengine.com (pri: 20)`
TXT	1	`v=spf1 include:spf.messagingengine.com ?`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`darl.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

contextsystem.com points to the four IP addresses 104.21.29.151, 172.67.149.105, 2606:4700:3031::6815:1d97 and 2606:4700:3036::ac43:9569.

mail.drsevgikurt.com, 888starz-casino-it.com, lincolnshiredirect.co.uk plus two other host names have IP numbers in common with contextsystem.com.

Name Servers

DNS delegation for contextsystem.com points to two name servers: darl.ns.cloudflare.com and kami.ns.cloudflare.com.

The name server configuration of contextsystem.com is shared with other domains, for instance staroutdoors.ie, hogaryreformas.com, clever-storage.de and two others.

The name servers of contextsystem.com overlap at least partially with those of other domains — among them bansoss-indonesia.pages.dev, junhaochai.com, australianconceptfertility.com and two more.

The name servers rosa.ns.cloudflare.com, cloe.ns.cloudflare.com and evan.ns.cloudflare.com are commonly seen alongside these name servers.

Hosts with 6 IP addresses each:

darl.ns.cloudflare.com has IP addresses 108.162.193.98, 172.64.33.98 and 173.245.59.98, plus 3 other.

kami.ns.cloudflare.com has IP addresses 108.162.192.177, 172.64.32.177 and 173.245.58.177, plus 3 other.

Mail Servers

contextsystem.com uses two mail servers, in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

The mail server setup of contextsystem.com matches that of other domains such as bangpath.org, mx.bexbrands.com, laclemmer.com and two others.

contextsystem.com has mail servers in common with other domains — calvir.com being one example.

Hosts with 8 IP addresses each:

in1-smtp.messagingengine.com has IP addresses 103.168.172.216, 103.168.172.217 and 103.168.172.218, plus 5 other.

Host names with four IP addresses:

in2-smtp.messagingengine.com resolves to 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.

contextsystem.com - robtex.com