51answer.cc - robtex.com
51answer.cc
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::ac43:bf93🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3034::6815:5474🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.84.116Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.191.147🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | adaline.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:2631🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | adaline.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c231🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | adaline.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2231🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | adaline.ns.cloudflare.com | ||||||
| A | 108.162.194.49🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | adaline.ns.cloudflare.com | ||||||
| A | 162.159.38.49Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | adaline.ns.cloudflare.com | ||||||
| A | 172.64.34.49🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | adaline.ns.cloudflare.com | ||||||
| NS | greg.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b73🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | greg.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c173🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | greg.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2173🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | greg.ns.cloudflare.com | ||||||
| A | 108.162.193.115🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | greg.ns.cloudflare.com | ||||||
| A | 172.64.33.115🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | greg.ns.cloudflare.com | ||||||
| A | 173.245.59.115🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | greg.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.84.116, 172.67.191.147 | ||||||
| IPv6 | 2606:4700:3033::ac43:bf93, 2606:4700:3034::6815:5474 | ||||||
| SOA | adaline.ns.cloudflare.comdns@cloudflare.com serial=2398534804 | ||||||
cc
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ac1.nstld.com ⭐ | ||||||
| NS | ac2.nstld.com | ||||||
| NS | ac3.nstld.com | ||||||
| NS | ac4.nstld.com | ||||||
| SOA | ac1.nstld.cominfo@verisign-grs.com serial=1774865972 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSadaline.ns.cloudflare.com2026-02-19 → 2026-03-30 · 2 obs
● 2026-03-30 10:39:32
●NSgreg.ns.cloudflare.com2026-02-19 → 2026-03-30 · 2 obs
● 2026-03-30 10:39:32
●A104.21.84.1162026-02-19 → 2026-03-30 · 2 obs
● 2026-03-30 10:39:32
●A172.67.191.1472026-02-19 → 2026-03-30 · 2 obs
● 2026-03-30 10:39:32
●A2606:4700:3033::ac43:bf932026-02-19 → 2026-03-30 · 2 obs
● 2026-03-30 10:39:32
●A2606:4700:3034::6815:54742026-02-19 → 2026-03-30 · 2 obs
● 2026-03-30 10:39:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cc | ac1.nstld.com, ac2.nstld.com, ac3.nstld.com, ac4.nstld.com | - |
| 51answer.cc | greg.ns.cloudflare.com, adaline.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.193.115
NS records: greg.ns.cloudflare.com, adaline.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 51answer.cc (unsigned zone)
⏱️ Timing
Total: 317ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.191.147, 104.21.84.116 |
| AAAA | 2 | 2606:4700:3033::ac43:bf93, 2606:4700:3034::6815:5474 |
| NS | 2 | adaline.ns.cloudflare.com, greg.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | adaline.ns.cloudflare.com dns.cloudflare |
Analysis
IP Addresses
51answer.cc resolves to four IPs: 2606:4700:3033::ac43:bf93, 2606:4700:3034::6815:5474, 104.21.84.116 and 172.67.191.147.
Other host names, for instance www.vamosacantabria.com.cdn.cloudflare.net, 045cc.com, ldame.org, www.tv(0x736578).com and dravionexalto.com share IP numbers with 51answer.cc.
Name Servers
51answer.cc has two name servers: adaline.ns.cloudflare.com and greg.ns.cloudflare.com.
51answer.cc shares the same name server setup as other domains, for example sb3822.com, alywafa.com, f88y.com, claimfans.com and xhdzkj.com.
51answer.cc shares some name servers with other domains, for example utku.eu, jazzclassic.ag, metrontb.com, adcomunicacion.com and cavoli.family.
These name servers are commonly used together with logan.ns.cloudflare.com and robert.ns.cloudflare.com.
Host names with six IP numbers: adaline.ns.cloudflare.com points to: 2606:4700:50::a29f:2631, 2803:f800:50::6ca2:c231, 2a06:98c1:50::ac40:2231, 108.162.194.49, 162.159.38.49 and 172.64.34.49; greg.ns.cloudflare.com points to: 2606:4700:58::adf5:3b73, 2803:f800:50::6ca2:c173, 2a06:98c1:50::ac40:2173, 108.162.193.115, 172.64.33.115 and 173.245.59.115.