ractf.dev - robtex.com
ractf.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 193.57.159.29🇬🇧 INFERNO193.57.159.0/24 | ||||||
| PTR | 193-57-159-29.cust.ix1.oninferno.net | ||||||
| NS | diana.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:2617🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | diana.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c217🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | diana.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2217🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | diana.ns.cloudflare.com | ||||||
| A | 108.162.194.23🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 162.159.38.23Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.34.23🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | tony.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3bf0🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tony.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1f0🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | tony.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21f0🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | tony.ns.cloudflare.com | ||||||
| A | 108.162.193.240🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tony.ns.cloudflare.com | ||||||
| A | 172.64.33.240🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tony.ns.cloudflare.com | ||||||
| A | 173.245.59.240🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tony.ns.cloudflare.com | ||||||
| MX | mail.ractf.co.uk ⭐ | ||||||
| A | 193.57.159.28🇬🇧 INFERNO193.57.159.0/24 | ||||||
| PTR | 193-57-159-28.cust.ix1.oninferno.net | ||||||
| TXT | google-site-verification=sDsFwugpLgmRx0FmWr_RlevcVZ1rkDlYaSK_jpjGqck | ||||||
| TXT | v=spf1 a mx a:mail.ractf.co.uk include:amazonses.com include:_spf.atlassian.n... | ||||||
| SOA | diana.ns.cloudflare.comdns@cloudflare.com serial=2419305203 | ||||||
dev
| 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=1 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
4 records (4 active, 0 former)
●NSdiana.ns.cloudflare.com2026-09-11 → 2026-11-05 · 2 obs
● 2026-11-05 03:43:38
●NStony.ns.cloudflare.com2026-09-11 → 2026-11-05 · 2 obs
● 2026-11-05 03:43:38
●MXmail.ractf.co.uk2026-09-11 → 2026-11-05 · 2 obs
● 2026-11-05 03:43:38
●A193.57.159.292026-09-11 → 2026-11-05 · 2 obs
● 2026-11-05 03:43:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com... | 10 records |
| ractf.dev | diana.ns.cloudflare.com, tony.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.194.23
NS records: diana.ns.cloudflare.com, tony.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ractf.dev (unsigned zone)
⏱️ Timing
Total: 1774ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 193.57.159.29 |
| NS | 2 | diana.ns.cloudflare.com, tony.ns.cloudflare.com |
| MX | 1 | mail.ractf.co.uk (pri: 0) |
| TXT | 2 | google-site-verification=sDsFwugpLgmRx0F, v=spf1 a mx a:mail.ractf.co.uk include:a |
| SOA | 1 | diana.ns.cloudflare.com dns.cloudflare.c |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)
Analysis
IP Addresses
ractf.dev has exactly one IP address — 193.57.159.29.
Name Servers
The NS records for ractf.dev delegate to diana.ns.cloudflare.com and tony.ns.cloudflare.com.
The name server configuration of ractf.dev is shared with other domains, for instance tramshedssydney.com.au, baker-8-dorothy-77.pages.dev, sucafe01.workers.dev and two others.
The name servers of ractf.dev overlap at least partially with those of other domains — among them awoyodesegun7.workers.dev, mdmec.com, halawiyat.pages.dev and two more.
These name servers commonly co-occur with the name servers samara.ns.cloudflare.com, celine.ns.cloudflare.com, arturo.ns.cloudflare.com and denver.ns.cloudflare.com.
Hosts with 6 IP addresses each:
diana.ns.cloudflare.com maps to 108.162.194.23, 162.159.38.23, 172.64.34.23 and 3 additional IP addresses.
tony.ns.cloudflare.com maps to 108.162.193.240, 172.64.33.240, 173.245.59.240 and 3 additional IP addresses.
Mail Servers
ractf.dev uses one mail server — mail.ractf.co.uk.
The mail server setup of ractf.dev is identical to that of domains like ractf.co.uk, ractf.cloud and as209507.net.
mail.ractf.co.uk resolves to 193.57.159.28 and no other IP number.