bitfufu.dev - dns.ninja
bitfufu.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::ac43:b1f5🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:43a0🇺🇸 Cloudflare2606:4700:3035::/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 | 34.36.182.139🇺🇸 Google34.32.0.0/11 | ||||||
| PTR | 139.182.36.34.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 | 2606:4700:3033::ac43:b1f5, 2606:4700:3035::6815:43a0 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=195, name=cloudflare-ech.com | ||||||
| SOA | cullen.ns.cloudflare.comdns@cloudflare.com serial=2409702770 | ||||||
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
14 records (8 active, 6 former)
●NScullen.ns.cloudflare.com2026-03-02 → 2026-07-20 · 2 obs
● 2026-07-20 23:01:38
●NSmaleah.ns.cloudflare.com2026-03-02 → 2026-07-20 · 2 obs
● 2026-07-20 23:01:38
●MXmxa.mailgun.org2026-03-02 → 2026-07-20 · 2 obs
● 2026-07-20 23:01:38
●MXmxb.mailgun.org2026-03-02 → 2026-07-20 · 2 obs
● 2026-07-20 23:01:38
●A104.21.67.1602026-03-02 → 2026-07-20 · 8 obs
● 2026-04-26 16:32:04
○ 2026-05-03 04:36:50
● 2026-05-09 15:46:18
● 2026-06-05 05:41:12
○ 2026-06-21 15:55:34
● 2026-07-20 23:01:36
● 2026-07-20 23:01:38
●A172.67.177.2452026-03-02 → 2026-07-20 · 8 obs
● 2026-04-26 16:32:04
○ 2026-05-03 04:36:50
● 2026-05-09 15:46:18
● 2026-06-05 05:41:12
○ 2026-06-21 15:55:34
● 2026-07-20 23:01:36
● 2026-07-20 23:01:38
○A188.114.96.02026-05-03 → 2026-06-21 · 7 obs
● 2026-05-03 04:36:50
○ 2026-05-09 15:46:18
○ 2026-06-05 05:41:12
● 2026-06-21 15:55:34
○ 2026-07-20 23:01:36
○ 2026-07-20 23:01:38
○A188.114.97.02026-05-03 → 2026-06-21 · 7 obs
● 2026-05-03 04:36:50
○ 2026-05-09 15:46:18
○ 2026-06-05 05:41:12
● 2026-06-21 15:55:34
○ 2026-07-20 23:01:36
○ 2026-07-20 23:01:38
○A2606:4700:3032::6815:43a02026-03-02 → 2026-06-05 · 4 obs
● 2026-06-05 05:41:12
○ 2026-06-21 15:55:34
○ 2026-07-20 23:01:38
●A2606:4700:3033::ac43:b1f52026-07-20 → 2026-07-20 · 3 obs
● 2026-07-20 23:01:36
● 2026-07-20 23:01:38
●A2606:4700:3035::6815:43a02026-07-20 → 2026-07-20 · 3 obs
● 2026-07-20 23:01:36
● 2026-07-20 23:01:38
○A2606:4700:3037::ac43:b1f52026-03-02 → 2026-06-05 · 4 obs
● 2026-06-05 05:41:12
○ 2026-06-21 15:55:34
○ 2026-07-20 23:01:38
○A2a06:98c1:3120::2026-06-21 → 2026-06-21 · 4 obs
● 2026-06-21 15:55:34
○ 2026-07-20 23:01:36
○ 2026-07-20 23:01:38
○A2a06:98c1:3121::2026-06-21 → 2026-06-21 · 4 obs
● 2026-06-21 15:55:34
○ 2026-07-20 23:01:36
○ 2026-07-20 23:01:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | 10 records |
| bitfufu.dev | maleah.ns.cloudflare.com, cullen.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.35.91
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: 1249ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.177.245, 104.21.67.160 |
| AAAA | 2 | 2606:4700:3033::ac43:b1f5, 2606:4700:3035::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. |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)
Analysis
IP Addresses
bitfufu.dev directs to four IP numbers, which are 104.21.67.160, 172.67.177.245, 2606:4700:3033::ac43:b1f5 and 2606:4700:3035::6815:43a0.
Among the host names that share IP numbers with bitfufu.dev are tror.org, israteks.com, www.hd24bit.com and two others.
Name Servers
bitfufu.dev is delegated to two name servers: cullen.ns.cloudflare.com and maleah.ns.cloudflare.com.
bitfufu.dev has the same name server delegation as a number of other domains, such as fufutech.net, oer-musik.de, augmented.cards and two more.
At least some of bitfufu.dev's name servers are shared with other domains, for example beasutea.bio, super96kh.org, celebrationeurope.com and two more.
These name servers tend to be deployed in combination with the name servers leia.ns.cloudflare.com and ray.ns.cloudflare.com.
Host names resolving to 6 IP numbers:
cullen.ns.cloudflare.com resolves to 108.162.195.91, 162.159.44.91, 172.64.35.91 and 3 other IP addresses.
maleah.ns.cloudflare.com resolves to 108.162.194.118, 162.159.38.118, 172.64.34.118 and 3 other IP addresses.
Mail Servers
The MX records for bitfufu.dev point to two mail servers: mxa.mailgun.org and mxb.mailgun.org.
bitfufu.dev has the same mail server arrangement as a number of other domains, for example ngfolio.com, kizildere.com, zumzumcoaching.com and two more.
bitfufu.dev shares at least some of its mail servers with other domains — for example gayantexpoconcerts.com, adachikan.com, cartechinishop.com and two more.
Each of mxa.mailgun.org and mxb.mailgun.org has one IP address: mxa.mailgun.org uses 34.36.182.139 and mxb.mailgun.org uses 34.149.254.5.