`contractorprofessionals.com`

DNSSEC	⚠️ Not signed
NS	`ns11.zns-53.com` ⭐
		A	2602:801:c00a::88^{🇺🇸 Zoho-Streaming-Content-Network2602:801:c00a::/48 Zoho Streaming Content Network}
			PTR	`ns11.zns-53.com`
		A	136.143.172.88^{🇺🇸 Zoho-Streaming-Content-Network136.143.172.0/24 Zoho Streaming Content Network}
			PTR	`ns11.zns-53.com`
NS	`ns21.zns-53.net`
		A	2602:801:c00b::99^{🇺🇸 Zoho-Streaming-Content-Network2602:801:c00b::/48 Zoho Streaming Content Network}
			PTR	`ns21.zns-53.net`
		A	136.143.173.99^{🇺🇸 Zoho-Streaming-Content-Network136.143.173.0/24 Zoho Streaming Content Network}
			PTR	`ns21.zns-53.net`
NS	`ns31.zns-53.com`
		A	2602:801:c00c::88^{🇺🇸 Zoho-Streaming-Content-Network2602:801:c00c::/48 Zoho Streaming Content Network}
			PTR	`ns31.zns-53.com`
		A	169.148.151.88^{🇺🇸 Zoho-Streaming-Content-Network169.148.151.0/24 Zoho Streaming Content Network}
			PTR	`ns31.zns-53.com`
NS	`ns41.zns-53.net`
		A	2602:801:c00c::99^{🇺🇸 Zoho-Streaming-Content-Network2602:801:c00c::/48 Zoho Streaming Content Network}
			PTR	`nns41.zns-53.net`
		A	169.148.152.99^{🇺🇸 Zoho-Streaming-Content-Network169.148.152.0/23 Zoho Streaming Content Network}
			PTR	`ns41.zns-53.net`
SOA	`ns11.zns-53.com`hostmaster@zohodns.com 2025-09-05 #22

`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=1775962822

Same first word

contractorprofessionals.com

DNS History

9 records (4 active, 5 former)

●NSns11.zns-53.com2026-03-02 → 2026-04-12 · 3 obs

○ 2017-02-04 17:07:34
● 2026-03-02 01:45:06
● 2026-04-12 03:22:18

○NSns1626.ztomy.com2015-06-21 → 2016-01-19 · 4 obs

● 2015-06-21 04:46:16
● 2016-01-19 18:08:00
○ 2017-02-04 17:07:34
○ 2026-04-12 03:22:18

●NSns21.zns-53.net2026-03-02 → 2026-04-12 · 3 obs

○ 2017-02-04 17:07:34
● 2026-03-02 01:45:06
● 2026-04-12 03:22:18

○NSns2626.ztomy.com2015-06-21 → 2016-01-19 · 4 obs

● 2015-06-21 04:46:16
● 2016-01-19 18:08:00
○ 2017-02-04 17:07:34
○ 2026-04-12 03:22:18

●NSns31.zns-53.com2026-03-02 → 2026-04-12 · 3 obs

○ 2017-02-04 17:07:34
● 2026-03-02 01:45:06
● 2026-04-12 03:22:18

●NSns41.zns-53.net2026-03-02 → 2026-04-12 · 3 obs

○ 2017-02-04 17:07:34
● 2026-03-02 01:45:06
● 2026-04-12 03:22:18

○MXmail.b-io.co2015-06-21 → 2016-04-19 · 5 obs

● 2015-06-21 04:46:16
○ 2015-11-03 19:47:06
● 2016-04-19 14:56:34
○ 2017-02-04 17:07:34
○ 2026-04-12 03:22:18

○A204.11.56.482015-06-21 → 2016-01-19 · 4 obs

● 2015-06-21 04:46:16
● 2016-01-19 18:08:00
○ 2016-04-19 14:56:34
○ 2026-04-12 03:22:18

○A208.91.197.1322016-04-19 → 2016-04-19 · 4 obs

○ 2016-01-19 18:08:00
● 2016-04-19 14:56:34
○ 2017-02-04 17:07:34
○ 2026-04-12 03:22:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, f.gtld-servers.net, j.gtld-servers.net, m.gtld-servers.net...	-
contractorprofessionals.com	ns11.zns-53.com, ns31.zns-53.com, ns21.zns-53.net, ns41.zns-53.net	4 records

✅ Authoritative Response

Server:169.148.151.88

NS records: ns11.zns-53.com, ns31.zns-53.com, ns21.zns-53.net, ns41.zns-53.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contractorprofessionals.com (unsigned zone)

⏱️ Timing

Total: 532ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns11.zns-53.com, ns21.zns-53.net...`
SOA	1	`ns11.zns-53.com hostmaster.zohodns.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns11.zns-53.com, ns11.zns-53.com, ns31.zns-53.com...)

Analysis

Name Servers

contractorprofessionals.com delegates to four name servers: ns11.zns-53.com, ns31.zns-53.com, ns21.zns-53.net and ns41.zns-53.net.

contractorprofessionals.com at least partially shares name servers with other domains, including mohameddiaa.com, publicmgovcloud.in, zohosites.in, bflms.com and campaign-view.in.

These name servers are commonly used together with the name servers pdns90.ultradns.biz, pdns90.ultradns.net, pdns90.ultradns.com and ns1.zohocorp.com.

Host names with two IP numbers: ns11.zns-53.com points to 2602:801:c00a::88 and 136.143.172.88; ns31.zns-53.com points to 2602:801:c00c::88 and 169.148.151.88; ns21.zns-53.net points to 2602:801:c00b::99 and 136.143.173.99; ns41.zns-53.net points to 2602:801:c00c::99 and 169.148.152.99.

contractorprofessionals.com - robtex.com