ctf.gg - robtex.com
ctf.gg
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::ac43:c856🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::6815:15cf🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.21.207Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.200.86🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | laura.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3ab7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | laura.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0b7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | laura.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20b7🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | laura.ns.cloudflare.com | ||||||
| A | 108.162.192.183🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | laura.ns.cloudflare.com | ||||||
| A | 172.64.32.183🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | laura.ns.cloudflare.com | ||||||
| A | 173.245.58.183🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | laura.ns.cloudflare.com | ||||||
| NS | roan.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3be2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | roan.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1e2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | roan.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21e2🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | roan.ns.cloudflare.com | ||||||
| A | 108.162.193.226🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | roan.ns.cloudflare.com | ||||||
| A | 172.64.33.226🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | roan.ns.cloudflare.com | ||||||
| A | 173.245.59.226🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | roan.ns.cloudflare.com | ||||||
| MX | mail.protonmail.ch ⭐ | ||||||
| A | 176.119.200.128🇨🇭 Proton176.119.200.0/24 | ||||||
| PTR | mail.protonmail.ch | ||||||
| A | 185.70.42.128🇨🇭 Proton185.70.42.0/24 | ||||||
| PTR | mail.protonmail.ch | ||||||
| A | 185.205.70.128🇫🇷 Proton185.205.70.0/24 | ||||||
| PTR | mail.protonmail.ch | ||||||
| MX | mailsec.protonmail.ch(20) | ||||||
| A | 176.119.200.129🇨🇭 Proton176.119.200.0/24 | ||||||
| PTR | mailsec.protonmail.ch | ||||||
| A | 185.70.42.129🇨🇭 Proton185.70.42.0/24 | ||||||
| PTR | mailsec.protonmail.ch | ||||||
| A | 185.205.70.129🇫🇷 Proton185.205.70.0/24 | ||||||
| PTR | mailsec.protonmail.ch | ||||||
| TXT | google-site-verification=8W9YwQ3mGi_76YN0fdfBT-H9kNOebHdNpRHr0IH2hR4 | ||||||
| TXT | ms-domain-verification=3dc490c5-76bf-46ea-8aa8-40e89e141058 | ||||||
| TXT | protonmail-verification=b1615ffd255da5eb42d0cc42e8eb4a09ab510043 | ||||||
| TXT | stripe-verification=ab6372868c6b045a7530390c2aba7009e3529b4d4040d7baa5c3fc9f0... | ||||||
| TXT | v=spf1 include:_spf.protonmail.ch include:spf.protection.outlook.com -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.21.207, 172.67.200.86 | ||||||
| IPv6 hints | 2606:4700:3030::ac43:c856, 2606:4700:3033::6815:15cf | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=127, name=cloudflare-ech.com | ||||||
| SOA | laura.ns.cloudflare.comdns@cloudflare.com serial=2403857737 | ||||||
gg
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | c.ci-servers.org ⭐ | ||||||
| NS | dns1.nominetdns.uk | ||||||
| NS | dns2.nominetdns.uk | ||||||
| NS | dns3.nominetdns.uk | ||||||
| NS | dns4.nominetdns.uk | ||||||
| NS | e.ci-servers.net | ||||||
| TXT | Generation Time: 1778585639 | ||||||
| SOA | c.ci-servers.orgdnsmaster@channelisles.net 2026-05-27 #67 | ||||||
Subdomains
science.ctf.gg |
Same first word
Similar names
DNS History
8 records (8 active, 0 former)
●NSlaura.ns.cloudflare.com2026-05-11 → 2026-05-12 · 2 obs
● 2026-05-12 12:48:26
●NSroan.ns.cloudflare.com2026-05-11 → 2026-05-12 · 2 obs
● 2026-05-12 12:48:26
●MXmail.protonmail.ch2026-05-11 → 2026-05-12 · 2 obs
● 2026-05-12 12:48:26
●MXmailsec.protonmail.ch2026-05-11 → 2026-05-12 · 2 obs
● 2026-05-12 12:48:26
●A104.21.21.2072026-05-11 → 2026-05-12 · 2 obs
● 2026-05-12 12:48:26
●A172.67.200.862026-05-11 → 2026-05-12 · 2 obs
● 2026-05-12 12:48:26
●A2606:4700:3030::ac43:c8562026-05-11 → 2026-05-12 · 2 obs
● 2026-05-12 12:48:26
●A2606:4700:3033::6815:15cf2026-05-11 → 2026-05-12 · 2 obs
● 2026-05-12 12:48:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| gg | c.ci-servers.org, dns3.nominetdns.uk, dns1.nominetdns.uk, dns2.nominetdns.uk... | 12 records |
| ctf.gg | laura.ns.cloudflare.com, roan.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.33.226
NS records: laura.ns.cloudflare.com, roan.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ctf.gg (unsigned zone)
⏱️ Timing
Total: 1604ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.200.86, 104.21.21.207 |
| AAAA | 2 | 2606:4700:3030::ac43:c856, 2606:4700:3033::6815:15cf |
| NS | 2 | laura.ns.cloudflare.com, roan.ns.cloudflare.com |
| MX | 2 | mail.protonmail.ch (pri: 10), mailsec.protonmail.ch (pri: 20) |
| TXT | 5 | google-site-verification=8W9YwQ3mGi_76YN, ms-domain-verification=3dc490c5-76bf-46e... |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | laura.ns.cloudflare.com dns.cloudflare.c |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (c.ci-servers.org, c.ci-servers.org, dns3.nominetdns.uk...)
Analysis
Hierarchy
The parent of science.ctf.gg is ctf.gg.
IP Addresses
ctf.gg points to four IP numbers: 2606:4700:3030::ac43:c856, 2606:4700:3033::6815:15cf, 104.21.21.207 and 172.67.200.86.
Other host names, for instance serenehaven.shop, www.zhgwo.com, naukaspb.ru, 42iii.cn and mdz.email share IP numbers with ctf.gg.
Name Servers
ctf.gg is delegated to two name servers: laura.ns.cloudflare.com and roan.ns.cloudflare.com.
ctf.gg uses the same name server setup as other domains, for instance dundinstudio.com, coronaboard.fr, fortecg.com, shadabtor.ir and zxm20.top.
ctf.gg shares name servers with other domains at least partially, for instance 3waythrift.org, mamede.org, pipemdpe.com, rongbach.kim and jacksonvillecycle.com.
these name servers are often used with augustus.ns.cloudflare.com, carter.ns.cloudflare.com and mike.ns.cloudflare.com.
Host names with six IP numbers: laura.ns.cloudflare.com points to 2606:4700:50::adf5:3ab7, 2803:f800:50::6ca2:c0b7, 2a06:98c1:50::ac40:20b7, 108.162.192.183, 172.64.32.183 and 173.245.58.183; roan.ns.cloudflare.com points to 2606:4700:58::adf5:3be2, 2803:f800:50::6ca2:c1e2, 2a06:98c1:50::ac40:21e2, 108.162.193.226, 172.64.33.226 and 173.245.59.226.
Mail Servers
ctf.gg is handled by two mail servers: mail.protonmail.ch and mailsec.protonmail.ch.
ctf.gg shares the same mail server setup as other domains, including postkassetrimmen.no, alexander-fisher.com, charlesfoss.com, sidraval.com and vanyawryter.com.
ctf.gg shares some mail servers with other domains, including johnsontec.com, markwald.org, winder.nu, thenaturaldoctors.com and antsea-dev.com.
Host names with three IP numbers: mail.protonmail.ch points to 176.119.200.128, 185.70.42.128 and 185.205.70.128; mailsec.protonmail.ch points to 176.119.200.129, 185.70.42.129 and 185.205.70.129.