`cobusinesstech.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:576^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:8561^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.5.118^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.133.97^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kallie.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2655^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kallie.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c255^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kallie.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2255^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kallie.ns.cloudflare.com`
		A	108.162.194.85^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kallie.ns.cloudflare.com`
		A	162.159.38.85^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kallie.ns.cloudflare.com`
		A	172.64.34.85^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kallie.ns.cloudflare.com`
NS	`marty.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bcc^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marty.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1cc^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`marty.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21cc^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`marty.ns.cloudflare.com`
		A	108.162.193.204^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marty.ns.cloudflare.com`
		A	172.64.33.204^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marty.ns.cloudflare.com`
		A	173.245.59.204^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marty.ns.cloudflare.com`
MX	`cobusinesstech-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c936::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-cy1pr05cu00400.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch5pr02cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch1pr04cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:f90a::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn8pr03cu00201.inbound.protection.outlook.com`
		A	52.101.8.34^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dm2pr04cu00102.inbound.protection.outlook.com`
		A	52.101.8.51^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dm1pr04cu00203.inbound.protection.outlook.com`
		A	52.101.40.1^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy4pr03cu00101.inbound.protection.outlook.com`
		A	52.101.194.3^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch1pr04cu00103.inbound.protection.outlook.com`
TXT	`MS=ms59869280`
TXT	`v=spf1 include:spf.protection.outlook.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.5.118, 172.67.133.97
		IPv6 hints	2606:4700:3030::6815:576, 2606:4700:3031::ac43:8561
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=87, name=cloudflare-ech.com
SOA	`kallie.ns.cloudflare.com`dns@cloudflare.com serial=2403761102

`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=1778439591

Same first word

cobusinesstech.com

DNS History

14 records (7 active, 7 former)

●NSkallie.ns.cloudflare.com2026-04-27 → 2026-05-10 · 3 obs

○ 2020-03-14 13:55:02
● 2026-04-27 17:25:30
● 2026-05-10 19:29:18

●NSmarty.ns.cloudflare.com2026-04-27 → 2026-05-10 · 3 obs

○ 2020-03-14 13:55:02
● 2026-04-27 17:25:30
● 2026-05-10 19:29:18

○NSns29.domaincontrol.com2015-06-15 → 2020-03-14 · 4 obs

● 2015-06-15 05:18:46
● 2020-03-14 13:55:02
○ 2026-04-27 17:25:30
○ 2026-05-10 19:29:18

○NSns30.domaincontrol.com2015-06-15 → 2020-03-14 · 4 obs

● 2015-06-15 05:18:46
● 2020-03-14 13:55:02
○ 2026-04-27 17:25:30
○ 2026-05-10 19:29:18

○NSpdns13.domaincontrol.com2026-04-27 → 2026-05-10 · 2 obs

○ 2026-04-27 17:25:30
○ 2026-05-10 19:29:18

○NSpdns14.domaincontrol.com2026-04-27 → 2026-05-10 · 2 obs

○ 2026-04-27 17:25:30
○ 2026-05-10 19:29:18

●MXcobusinesstech-com.mail.protection.outlook.com2026-05-10 → 2026-05-10 · 3 obs

○ 2026-05-07 03:35:56
● 2026-05-10 19:29:16
● 2026-05-10 19:29:18

○MXmx1.emailsrvr.com2015-06-15 → 2026-05-07 · 4 obs

● 2015-06-15 05:18:46
● 2026-05-07 03:35:56
○ 2026-05-10 19:29:16
○ 2026-05-10 19:29:18

○MXmx2.emailsrvr.com2015-06-15 → 2026-05-07 · 4 obs

● 2015-06-15 05:18:46
● 2026-05-07 03:35:56
○ 2026-05-10 19:29:16
○ 2026-05-10 19:29:18

●A104.21.5.1182026-04-27 → 2026-05-10 · 3 obs

○ 2020-03-14 13:55:02
● 2026-04-27 17:25:30
● 2026-05-10 19:29:18

●A172.67.133.972026-04-27 → 2026-05-10 · 3 obs

○ 2020-03-14 13:55:02
● 2026-04-27 17:25:30
● 2026-05-10 19:29:18

○A23.24.151.202015-06-15 → 2020-03-14 · 4 obs

● 2015-06-15 05:18:46
● 2020-03-14 13:55:02
○ 2026-04-27 17:25:30
○ 2026-05-10 19:29:18

●A2606:4700:3030::6815:5762026-04-27 → 2026-05-10 · 3 obs

○ 2020-03-14 13:55:02
● 2026-04-27 17:25:30
● 2026-05-10 19:29:18

●A2606:4700:3031::ac43:85612026-04-27 → 2026-05-10 · 3 obs

○ 2020-03-14 13:55:02
● 2026-04-27 17:25:30
● 2026-05-10 19:29:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
cobusinesstech.com	marty.ns.cloudflare.com, kallie.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.204

NS records: marty.ns.cloudflare.com, kallie.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cobusinesstech.com (unsigned zone)

⏱️ Timing

Total: 151ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.133.97, 104.21.5.118`
AAAA	2	`2606:4700:3031::ac43:8561, 2606:4700:3030::6815:576`
NS	2	`kallie.ns.cloudflare.com, marty.ns.cloudflare.com`
MX	1	`cobusinesstech-com.mail.protection.outlo`
TXT	2	`MS=ms59869280, v=spf1 include:spf.protection.outlook.co`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`kallie.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

cobusinesstech.com resolves to four IPs: 2606:4700:3030::6815:576, 2606:4700:3031::ac43:8561, 104.21.5.118 and 172.67.133.97.

Other host names, for instance xypex.co.th, www.alturis.com, sithost.com, ssut.me and s4.domain7.com share IP numbers with cobusinesstech.com.

Name Servers

cobusinesstech.com has two name servers: kallie.ns.cloudflare.com and marty.ns.cloudflare.com.

cobusinesstech.com shares the same name server setup as other domains, for example rosterdesk.com, dsav26.app, 230110.xyz, dsysav.com and dsav.app.

cobusinesstech.com shares some name servers with other domains, for example serrerifoc.pro, talmetal.com, chaohaostore.com, paintrealityworks.digital and pessa.com.br.

These name servers are commonly used together with alexa.ns.cloudflare.com and salvador.ns.cloudflare.com.

Host names with six IP numbers: kallie.ns.cloudflare.com points to: 2606:4700:50::a29f:2655, 2803:f800:50::6ca2:c255, 2a06:98c1:50::ac40:2255, 108.162.194.85, 162.159.38.85 and 172.64.34.85; marty.ns.cloudflare.com points to: 2606:4700:58::adf5:3bcc, 2803:f800:50::6ca2:c1cc, 2a06:98c1:50::ac40:21cc, 108.162.193.204, 172.64.33.204 and 173.245.59.204.

Mail Servers

cobusinesstech.com is handled by a single mail server, cobusinesstech-com.mail.protection.outlook.com.

Host cobusinesstech-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c936::, 2a01:111:f403:c946::, 2a01:111:f403:c946::1, 2a01:111:f403:f90a::1, 52.101.8.34, 52.101.8.51, 52.101.40.1 and 52.101.194.3.

cobusinesstech.com - robtex.com