contractchecker.app - robtex.com
contractchecker.app
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:d1d5🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:5d79🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.93.121Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.209.213🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | angela.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a41🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | angela.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c041🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | angela.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2041🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | angela.ns.cloudflare.com | ||||||
| A | 108.162.192.65🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | angela.ns.cloudflare.com | ||||||
| A | 172.64.32.65🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | angela.ns.cloudflare.com | ||||||
| A | 173.245.58.65🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | angela.ns.cloudflare.com | ||||||
| NS | coleman.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c40🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | coleman.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c340🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | coleman.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2340🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | coleman.ns.cloudflare.com | ||||||
| A | 108.162.195.64🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | coleman.ns.cloudflare.com | ||||||
| A | 162.159.44.64Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | coleman.ns.cloudflare.com | ||||||
| A | 172.64.35.64🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | coleman.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.93.121, 172.67.209.213 | ||||||
| IPv6 | 2606:4700:3031::ac43:d1d5, 2606:4700:3037::6815:5d79 | ||||||
| SOA | angela.ns.cloudflare.comdns@cloudflare.com serial=2398620406 | ||||||
app
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com ⭐ | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=101427 | ||||||
Same first word
contractchecker.app |
contractchecker.co.uk |
DNS History
6 records (6 active, 0 former)
●NSangela.ns.cloudflare.com2026-03-20 → 2026-03-22 · 2 obs
● 2026-03-22 14:40:56
●NScoleman.ns.cloudflare.com2026-03-20 → 2026-03-22 · 2 obs
● 2026-03-22 14:40:56
●A104.21.93.1212026-03-20 → 2026-03-22 · 2 obs
● 2026-03-22 14:40:56
●A172.67.209.2132026-03-20 → 2026-03-22 · 2 obs
● 2026-03-22 14:40:56
●A2606:4700:3031::ac43:d1d52026-03-20 → 2026-03-22 · 2 obs
● 2026-03-22 14:40:56
●A2606:4700:3037::6815:5d792026-03-20 → 2026-03-22 · 2 obs
● 2026-03-22 14:40:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| app | ns-tld2.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com... | - |
| contractchecker.app | coleman.ns.cloudflare.com, angela.ns.cloudflare.com | - |
✅ Authoritative Response
Server: 172.64.35.64
NS records: coleman.ns.cloudflare.com, angela.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for contractchecker.app (unsigned zone)
⏱️ Timing
Total: 560ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.93.121, 172.67.209.213 |
| AAAA | 2 | 2606:4700:3037::6815:5d79, 2606:4700:3031::ac43:d1d5 |
| NS | 2 | angela.ns.cloudflare.com, coleman.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | angela.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
contractchecker.app points to four IP numbers: 2606:4700:3031::ac43:d1d5, 2606:4700:3037::6815:5d79, 104.21.93.121 and 172.67.209.213.
Other host names including vastek.com.cn, discordmojis.com, slot777wd500.online, angelbc.co.uk and arr-tech.com share IP numbers with contractchecker.app.
Name Servers
contractchecker.app's delegation uses two name servers, angela.ns.cloudflare.com and coleman.ns.cloudflare.com.
contractchecker.app shares the same name server setup as other domains, for example lopar.at, igotanoffer.com, mandorloinfiore.online, evoxp.com and nzkf9ye4.com.
contractchecker.app at least partially shares name servers with other domains, including hogfurniture.co, marketcrosshairs.com, (0x706f726e)theater(0x736c7574)s.com, quantxindia.com and tommackie.com.
These name servers are often used together with fish.ns.cloudflare.com.
Host names with six IP numbers:
angela.ns.cloudflare.com points to: 2606:4700:50::adf5:3a41, 2803:f800:50::6ca2:c041, 2a06:98c1:50::ac40:2041, 108.162.192.65, 172.64.32.65 and 173.245.58.65.
coleman.ns.cloudflare.com points to: 2606:4700:58::a29f:2c40, 2803:f800:50::6ca2:c340, 2a06:98c1:50::ac40:2340, 108.162.195.64, 162.159.44.64 and 172.64.35.64.