contractorcertificationauthority.com - robtex.com
contractorcertificationauthority.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::ac43:b07d🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3032::6815:1f76🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.31.118Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.176.125🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | tess.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3ae3🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tess.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0e3🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | tess.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20e3🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | tess.ns.cloudflare.com | ||||||
| A | 108.162.192.227🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tess.ns.cloudflare.com | ||||||
| A | 172.64.32.227🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tess.ns.cloudflare.com | ||||||
| A | 173.245.58.227🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tess.ns.cloudflare.com | ||||||
| NS | vin.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3bf5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | vin.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1f5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | vin.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21f5🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | vin.ns.cloudflare.com | ||||||
| A | 108.162.193.245🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | vin.ns.cloudflare.com | ||||||
| A | 172.64.33.245🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | vin.ns.cloudflare.com | ||||||
| A | 173.245.59.245🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | vin.ns.cloudflare.com | ||||||
| TXT | google-site-verification=cmr5VB25qEVyYIma4u-PywdOpTcqq6uItWRejoE0Sc8 | ||||||
| TXT | v=spf1 -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.31.118, 172.67.176.125 | ||||||
| IPv6 hints | 2606:4700:3030::ac43:b07d, 2606:4700:3032::6815:1f76 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=208, name=cloudflare-ech.com | ||||||
| SOA | tess.ns.cloudflare.comdns@cloudflare.com serial=2410756069 | ||||||
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.netnstld@verisign-grs.com serial=1785373842 | ||||||
Same first word
contractorcertificationauthority.com |
DNS History
10 records (6 active, 4 former)
●NStess.ns.cloudflare.com2026-07-20 → 2026-07-30 · 2 obs
● 2026-07-30 01:41:18
●NSvin.ns.cloudflare.com2026-07-20 → 2026-07-30 · 2 obs
● 2026-07-30 01:41:18
●A104.21.31.1182026-07-30 → 2026-07-30 · 2 obs
● 2026-07-30 01:41:18
●A172.67.176.1252026-07-30 → 2026-07-30 · 2 obs
● 2026-07-30 01:41:18
○A188.114.96.02026-07-20 → 2026-07-20 · 2 obs
○ 2026-07-30 01:41:18
○A188.114.97.02026-07-20 → 2026-07-20 · 2 obs
○ 2026-07-30 01:41:18
●A2606:4700:3030::ac43:b07d2026-07-30 → 2026-07-30 · 2 obs
● 2026-07-30 01:41:18
●A2606:4700:3032::6815:1f762026-07-30 → 2026-07-30 · 2 obs
● 2026-07-30 01:41:18
○A2a06:98c1:3120::2026-07-20 → 2026-07-20 · 2 obs
○ 2026-07-30 01:41:18
○A2a06:98c1:3121::2026-07-20 → 2026-07-20 · 2 obs
○ 2026-07-30 01:41:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net, m.gtld-servers.net... | - |
| contractorcertificationauthority.com | tess.ns.cloudflare.com, vin.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.193.245
NS records: tess.ns.cloudflare.com, vin.ns.cloudflare.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 204ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.176.125, 104.21.31.118 |
| AAAA | 2 | 2606:4700:3032::6815:1f76, 2606:4700:3030::ac43:b07d |
| NS | 2 | tess.ns.cloudflare.com, vin.ns.cloudflare.com |
| TXT | 2 | google-site-verification=cmr5VB25qEVyYIm, v=spf1 -all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | tess.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (tess.ns.cloudflare.com, tess.ns.cloudflare.com, tess.ns.cloudflare.com...)
Analysis
IP Addresses
contractorcertificationauthority.com has four IP addresses: 104.21.31.118, 172.67.176.125, 2606:4700:3030::ac43:b07d and 2606:4700:3032::6815:1f76.
Additional host names — hamiltoncarpetrepair.ca, renaissance-dl.com, sanantoniocosmeticsurgery.net and two others — share IP numbers with contractorcertificationauthority.com.
Name Servers
DNS delegation for contractorcertificationauthority.com points to two name servers: tess.ns.cloudflare.com and vin.ns.cloudflare.com.
contractorcertificationauthority.com shares its name server setup with other domains, including nationalhomesecurityauthority.com, californiaplumbingauthority.com, themathauthority.com and two others.
contractorcertificationauthority.com partially shares its NS delegation with several other domains, including codexhap.qzz.io, tototogelmacau.center, adelphihospitality.com and two others.
These name servers are regularly seen alongside guss.ns.cloudflare.com and hayes.ns.cloudflare.com as name servers.
Host names with 6 IP numbers:
tess.ns.cloudflare.com has IP addresses 108.162.192.227, 172.64.32.227 and 173.245.58.227, plus 3 other.
vin.ns.cloudflare.com has IP addresses 108.162.193.245, 172.64.33.245 and 173.245.59.245, plus 3 other.