bitfufu.dev - robtex.com
bitfufu.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::6815:43a0🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:b1f5🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.67.160Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.177.245🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | cullen.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2c5b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cullen.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c35b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | cullen.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:235b🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | cullen.ns.cloudflare.com | ||||||
| A | 108.162.195.91🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cullen.ns.cloudflare.com | ||||||
| A | 162.159.44.91Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cullen.ns.cloudflare.com | ||||||
| A | 172.64.35.91🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cullen.ns.cloudflare.com | ||||||
| NS | maleah.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:2676🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | maleah.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c276🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | maleah.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2276🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | maleah.ns.cloudflare.com | ||||||
| A | 108.162.194.118🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | maleah.ns.cloudflare.com | ||||||
| A | 162.159.38.118Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | maleah.ns.cloudflare.com | ||||||
| A | 172.64.34.118🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | maleah.ns.cloudflare.com | ||||||
| MX | mxa.mailgun.org ⭐ | ||||||
| A | 34.149.254.5🇺🇸 Google34.148.0.0/14 | ||||||
| PTR | 5.254.149.34.bc.googleusercontent.com | ||||||
| MX | mxb.mailgun.org ⭐ | ||||||
| A | 34.149.254.5🇺🇸 Google34.148.0.0/14 | ||||||
| PTR | 5.254.149.34.bc.googleusercontent.com | ||||||
| TXT | v=spf1 include:mailgun.org ~all | ||||||
| TXT | v=spf1 include:spf.efwd.registrar-servers.com ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.67.160, 172.67.177.245 | ||||||
| IPv6 hints | 2606:4700:3032::6815:43a0, 2606:4700:3037::ac43:b1f5 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=101, name=cloudflare-ech.com | ||||||
| SOA | cullen.ns.cloudflare.comdns@cloudflare.com serial=2402644692 | ||||||
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
bitfufu.fund |
bitfufu.app |
bitfufu.dev |
bitfufu.tech |
bitfufu.com |
bitfufu.bot |
bitfufu.org |
bitfufu.io |
bitfufu.net |
bitfufu.pro |
bitfufu.fyi |
bitfufu.ai |
DNS History
10 records (8 active, 2 former)
●NScullen.ns.cloudflare.com2026-03-02 → 2026-05-09 · 2 obs
● 2026-05-09 15:46:18
●NSmaleah.ns.cloudflare.com2026-03-02 → 2026-05-09 · 2 obs
● 2026-05-09 15:46:18
●MXmxa.mailgun.org2026-03-02 → 2026-05-09 · 2 obs
● 2026-05-09 15:46:18
●MXmxb.mailgun.org2026-03-02 → 2026-05-09 · 2 obs
● 2026-05-09 15:46:18
●A104.21.67.1602026-03-02 → 2026-05-09 · 4 obs
● 2026-04-26 16:32:04
○ 2026-05-03 04:36:50
● 2026-05-09 15:46:18
●A172.67.177.2452026-03-02 → 2026-05-09 · 4 obs
● 2026-04-26 16:32:04
○ 2026-05-03 04:36:50
● 2026-05-09 15:46:18
○A188.114.96.02026-05-03 → 2026-05-03 · 3 obs
● 2026-05-03 04:36:50
○ 2026-05-09 15:46:18
○A188.114.97.02026-05-03 → 2026-05-03 · 3 obs
● 2026-05-03 04:36:50
○ 2026-05-09 15:46:18
●A2606:4700:3032::6815:43a02026-03-02 → 2026-05-09 · 2 obs
● 2026-05-09 15:46:18
●A2606:4700:3037::ac43:b1f52026-03-02 → 2026-05-09 · 2 obs
● 2026-05-09 15:46:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com... | - |
| bitfufu.dev | maleah.ns.cloudflare.com, cullen.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.34.118
NS records: maleah.ns.cloudflare.com, cullen.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bitfufu.dev (unsigned zone)
⏱️ Timing
Total: 586ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.67.160, 172.67.177.245 |
| AAAA | 2 | 2606:4700:3037::ac43:b1f5, 2606:4700:3032::6815:43a0 |
| NS | 2 | cullen.ns.cloudflare.com, maleah.ns.cloudflare.com |
| MX | 2 | mxa.mailgun.org (pri: 10), mxb.mailgun.org (pri: 10) |
| TXT | 2 | v=spf1 include:mailgun.org ~all, v=spf1 include:spf.efwd.registrar-server |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | cullen.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
bitfufu.dev points to four IP numbers: 2606:4700:3032::6815:43a0, 2606:4700:3037::ac43:b1f5, 104.21.67.160 and 172.67.177.245.
Other host names including israteks.com, baliutd.com, techcamerastalk.com, zftpos.cn and scam.mobi share IP numbers with bitfufu.dev.
Name Servers
bitfufu.dev's delegation uses two name servers, cullen.ns.cloudflare.com and maleah.ns.cloudflare.com.
bitfufu.dev shares the same name server setup as other domains, for example fufutech.net, augmented.cards, bitfufu.tech, bitfufu.com and bitfufu.bot.
bitfufu.dev at least partially shares name servers with other domains, including beasutea.bio, celebrationeurope.com, ikdy.shop, smartsscreen.com and philipperochot.com.
These name servers are commonly used with leia.ns.cloudflare.com and ray.ns.cloudflare.com.
Host names with six IP numbers:
cullen.ns.cloudflare.com points to: 2606:4700:58::a29f:2c5b, 2803:f800:50::6ca2:c35b, 2a06:98c1:50::ac40:235b, 108.162.195.91, 162.159.44.91 and 172.64.35.91.
maleah.ns.cloudflare.com points to: 2606:4700:50::a29f:2676, 2803:f800:50::6ca2:c276, 2a06:98c1:50::ac40:2276, 108.162.194.118, 162.159.38.118 and 172.64.34.118.
Mail Servers
bitfufu.dev is handled by two mail servers: mxa.mailgun.org and mxb.mailgun.org.
bitfufu.dev shares its mail server setup with other domains, including ngfolio.com, kizildere.com, zumzumcoaching.com, glassticket.com and themcintyres.org.
The mail servers for bitfufu.dev are shared with other domains, for instance gayantexpoconcerts.com, adachikan.com, cartechinishop.com, chipfxr.com and crackpcat.com.
Host names with a single IP:
- mxa.mailgun.org points to 34.149.254.5
- mxb.mailgun.org points to 34.149.254.5
Host names that point to 34.149.254.5: mxa.mailgun.org and mxb.mailgun.org