`contasigma.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:9940^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:ccb^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.12.203^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.153.64^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`norman.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bd9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`norman.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1d9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`norman.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21d9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`norman.ns.cloudflare.com`
		A	108.162.193.217^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`norman.ns.cloudflare.com`
		A	172.64.33.217^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`norman.ns.cloudflare.com`
		A	173.245.59.217^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`norman.ns.cloudflare.com`
NS	`rachel.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ad7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rachel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0d7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rachel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20d7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rachel.ns.cloudflare.com`
		A	108.162.192.215^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rachel.ns.cloudflare.com`
		A	172.64.32.215^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rachel.ns.cloudflare.com`
		A	173.245.58.215^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rachel.ns.cloudflare.com`
MX	`amir.mx.cloudflare.net` ⭐
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`linda.mx.cloudflare.net`⁽²⁷⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`isaac.mx.cloudflare.net`⁽³⁵⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
TXT	`google-site-verification=s7ZHfVl1PsfUnSGNzXE96579T-gB138x95gPyN6iQPU`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
TXT	`v=spf1 include:amazonses.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.12.203, 172.67.153.64
		IPv6	2606:4700:3031::ac43:9940, 2606:4700:3034::6815:ccb
SOA	`norman.ns.cloudflare.com`dns@cloudflare.com serial=2398658947

`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=1774431112

Subdomains

www.contasigma.com

Same first word

contasigma.com

Similar names

astonmagic.com

astonmagic.co.uk

DNS History

19 records (9 active, 10 former)

●NSnorman.ns.cloudflare.com2026-03-04 → 2026-03-25 · 3 obs

○ 2017-06-06 08:26:56
● 2026-03-04 10:32:32
● 2026-03-25 09:48:40

○NSns1.gestudio.com2015-06-18 → 2017-06-06 · 6 obs

● 2015-06-18 04:09:32
● 2016-02-09 21:57:22
○ 2016-06-25 22:31:06
● 2017-06-06 08:26:56
○ 2026-03-04 10:32:32
○ 2026-03-25 09:48:40

○NSns2.gestudio.com2015-06-18 → 2017-06-06 · 4 obs

● 2015-06-18 04:09:32
● 2017-06-06 08:26:56
○ 2026-03-04 10:32:32
○ 2026-03-25 09:48:40

○NSns3.gestudio.com2015-06-18 → 2017-06-06 · 4 obs

● 2015-06-18 04:09:32
● 2017-06-06 08:26:56
○ 2026-03-04 10:32:32
○ 2026-03-25 09:48:40

●NSrachel.ns.cloudflare.com2026-03-04 → 2026-03-25 · 3 obs

○ 2017-06-06 08:26:56
● 2026-03-04 10:32:32
● 2026-03-25 09:48:40

●MXamir.mx.cloudflare.net2026-03-04 → 2026-03-25 · 3 obs

○ 2017-06-06 08:26:56
● 2026-03-04 10:32:32
● 2026-03-25 09:48:40

○MXh2.gestudio.com2015-06-18 → 2015-06-18 · 3 obs

● 2015-06-18 04:09:32
○ 2015-11-06 21:55:26
○ 2026-03-25 09:48:40

●MXisaac.mx.cloudflare.net2026-03-04 → 2026-03-25 · 3 obs

○ 2017-06-06 08:26:56
● 2026-03-04 10:32:32
● 2026-03-25 09:48:40

●MXlinda.mx.cloudflare.net2026-03-04 → 2026-03-25 · 3 obs

○ 2017-06-06 08:26:56
● 2026-03-04 10:32:32
● 2026-03-25 09:48:40

○MXmx1.gestudio.com2015-11-06 → 2017-06-06 · 5 obs

○ 2015-06-18 04:09:32
● 2015-11-06 21:55:26
● 2017-06-06 08:26:56
○ 2026-03-04 10:32:32
○ 2026-03-25 09:48:40

○MXmx2.gestudio.com2015-11-06 → 2017-06-06 · 5 obs

○ 2015-06-18 04:09:32
● 2015-11-06 21:55:26
● 2017-06-06 08:26:56
○ 2026-03-04 10:32:32
○ 2026-03-25 09:48:40

●A104.21.12.2032026-03-04 → 2026-03-25 · 3 obs

○ 2017-06-06 08:26:56
● 2026-03-04 10:32:32
● 2026-03-25 09:48:40

○A167.114.176.1652016-06-25 → 2016-06-25 · 4 obs

○ 2016-02-09 21:57:22
● 2016-06-25 22:31:06
○ 2017-06-06 08:26:56
○ 2026-03-25 09:48:40

●A172.67.153.642026-03-04 → 2026-03-25 · 3 obs

○ 2017-06-06 08:26:56
● 2026-03-04 10:32:32
● 2026-03-25 09:48:40

○A188.165.112.1612015-11-06 → 2016-02-09 · 5 obs

○ 2015-06-18 04:09:32
● 2015-11-06 21:55:26
● 2016-02-09 21:57:22
○ 2016-06-25 22:31:06
○ 2026-03-25 09:48:40

○A213.32.81.872017-06-06 → 2017-06-06 · 4 obs

○ 2016-06-25 22:31:06
● 2017-06-06 08:26:56
○ 2026-03-04 10:32:32
○ 2026-03-25 09:48:40

●A2606:4700:3031::ac43:99402026-03-04 → 2026-03-25 · 3 obs

○ 2017-06-06 08:26:56
● 2026-03-04 10:32:32
● 2026-03-25 09:48:40

●A2606:4700:3034::6815:ccb2026-03-04 → 2026-03-25 · 3 obs

○ 2017-06-06 08:26:56
● 2026-03-04 10:32:32
● 2026-03-25 09:48:40

○A37.187.211.1392015-06-18 → 2015-06-18 · 3 obs

● 2015-06-18 04:09:32
○ 2015-11-06 21:55:26
○ 2026-03-25 09:48:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
contasigma.com	norman.ns.cloudflare.com, rachel.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.217

NS records: norman.ns.cloudflare.com, rachel.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contasigma.com (unsigned zone)

⏱️ Timing

Total: 139ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.12.203, 172.67.153.64`
AAAA	2	`2606:4700:3034::6815:ccb, 2606:4700:3031::ac43:9940`
NS	2	`norman.ns.cloudflare.com, rachel.ns.cloudflare.com`
MX	3	`amir.mx.cloudflare.net (pri: 1), linda.mx.cloudflare.net (pri: 27)...`
TXT	3	`google-site-verification=s7ZHfVl1PsfUnSG, v=spf1 include:_spf.mx.cloudflare.net ~a...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`norman.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

contasigma.com is the parent of www.contasigma.com.

IP Addresses

Four IP numbers are pointed to by contasigma.com: 2606:4700:3031::ac43:9940, 2606:4700:3034::6815:ccb, 104.21.12.203 and 172.67.153.64.

other host names including deasilex.com, www.fevfmquikbacu.online, 55lottery.games, www.contasigma.com and eggmeals.com share IP numbers with contasigma.com.

Name Servers

contasigma.com is delegated to two name servers norman.ns.cloudflare.com and rachel.ns.cloudflare.com.

contasigma.com shares the same name server setup as other domains, for instance langdale.org, noyuu.com, bcgaudio.com, tsimbaly.com and sunrisebeachtx.gov.

contasigma.com at least partially shares name servers with other domains, for instance staminashop.co.uk, r4u.be, yetuan.net, johnbrendle.com and (0x706f726e)camp.net.

these name servers are commonly used alongside eloise.ns.cloudflare.com.

Host names with six IP numbers:

Host name norman.ns.cloudflare.com points to: 2606:4700:58::adf5:3bd9, 2803:f800:50::6ca2:c1d9, 2a06:98c1:50::ac40:21d9, 108.162.193.217, 172.64.33.217 and 173.245.59.217.

Host name rachel.ns.cloudflare.com points to: 2606:4700:50::adf5:3ad7, 2803:f800:50::6ca2:c0d7, 2a06:98c1:50::ac40:20d7, 108.162.192.215, 172.64.32.215 and 173.245.58.215.

Mail Servers

contasigma.com is handled by three mail servers: amir.mx.cloudflare.net, isaac.mx.cloudflare.net and linda.mx.cloudflare.net.

contasigma.com shares some mail servers with other domains, at least partially, for instance waronbrain.com, ardev.id, wuli.nu, esignbox.com and xsam.net.

Host names with six IP numbers:

Host name amir.mx.cloudflare.net points to: 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.11, 162.159.205.12 and 162.159.205.13.

Host name isaac.mx.cloudflare.net points to: 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19.

Host name linda.mx.cloudflare.net points to: 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.23, 162.159.205.24 and 162.159.205.25.

contasigma.com - robtex.com

contasigma.com

com

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`contasigma.com`

`com`