`contractorsbio.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:4871^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:b78e^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.72.113^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.183.142^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bob.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b68^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c168^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bob.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2168^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bob.ns.cloudflare.com`
		A	108.162.193.104^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
		A	172.64.33.104^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
		A	173.245.59.104^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
NS	`dina.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a6b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c06b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:206b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dina.ns.cloudflare.com`
		A	108.162.192.107^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dina.ns.cloudflare.com`
		A	172.64.32.107^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dina.ns.cloudflare.com`
		A	173.245.58.107^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dina.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.72.113, 172.67.183.142
		IPv6	2606:4700:3031::6815:4871, 2606:4700:3033::ac43:b78e
SOA	`bob.ns.cloudflare.com`dns@cloudflare.com serial=2395536104

`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=1771291435

⚠️ On DNS blocklist: tif

Same first word

contractorsbio.com

Similar names

boaconstrictor.expert

DNS History

6 records (6 active, 0 former)

●NSbob.ns.cloudflare.com2026-02-16 → 2026-03-06 · 2 obs

● 2026-02-16 09:24:16
● 2026-03-06 17:26:48

●NSdina.ns.cloudflare.com2026-02-16 → 2026-03-06 · 2 obs

● 2026-02-16 09:24:16
● 2026-03-06 17:26:48

●A104.21.72.1132026-02-16 → 2026-03-06 · 2 obs

● 2026-02-16 09:24:16
● 2026-03-06 17:26:48

●A172.67.183.1422026-02-16 → 2026-03-06 · 2 obs

● 2026-02-16 09:24:16
● 2026-03-06 17:26:48

●A2606:4700:3031::6815:48712026-02-16 → 2026-03-06 · 2 obs

● 2026-02-16 09:24:16
● 2026-03-06 17:26:48

●A2606:4700:3033::ac43:b78e2026-02-16 → 2026-03-06 · 2 obs

● 2026-02-16 09:24:16
● 2026-03-06 17:26:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
contractorsbio.com	bob.ns.cloudflare.com, dina.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.192.107

NS records: bob.ns.cloudflare.com, dina.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contractorsbio.com (unsigned zone)

⏱️ Timing

Total: 312ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.183.142, 104.21.72.113`
AAAA	2	`2606:4700:3031::6815:4871, 2606:4700:3033::ac43:b78e`
NS	2	`bob.ns.cloudflare.com, dina.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bob.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

contractorsbio.com resolves to four IPs: 2606:4700:3031::6815:4871, 2606:4700:3033::ac43:b78e, 104.21.72.113 and 172.67.183.142.

Other host names such as houstonbusinessservice.com, emailkerja.id, aurora-tc.com, fengfeng66.com and zjzhaopin.com share IP numbers with contractorsbio.com.

Name Servers

contractorsbio.com is delegated to two name servers: bob.ns.cloudflare.com and dina.ns.cloudflare.com.

contractorsbio.com uses the same name server setup as other domains, including ccsit.edu.in, mylsattest.com, eipraimmobiliare.it, selav.it and easyaid.com.

At least part of the name servers for contractorsbio.com are shared with other domains, for instance ebubblelife.com, mygynae.com.sg, youce.world, honefossbk.no and wyd2.com.cn.

These name servers are commonly used alongside the name servers dom.ns.cloudflare.com.

Host names with six IP numbers:

bob.ns.cloudflare.com points to: 2606:4700:58::adf5:3b68, 2803:f800:50::6ca2:c168, 2a06:98c1:50::ac40:2168, 108.162.193.104, 172.64.33.104 and 173.245.59.104.

dina.ns.cloudflare.com points to: 2606:4700:50::adf5:3a6b, 2803:f800:50::6ca2:c06b, 2a06:98c1:50::ac40:206b, 108.162.192.107, 172.64.32.107 and 173.245.58.107.

contractorsbio.com - robtex.com