mb21.top - robtex.com
mb21.top
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:b762🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:12d7🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.18.215Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.183.98🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | eugene.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2c48🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | eugene.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c348🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | eugene.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2348🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | eugene.ns.cloudflare.com | ||||||
| A | 108.162.195.72🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | eugene.ns.cloudflare.com | ||||||
| A | 162.159.44.72Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | eugene.ns.cloudflare.com | ||||||
| A | 172.64.35.72🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | eugene.ns.cloudflare.com | ||||||
| NS | zita.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3af3🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zita.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0f3🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | zita.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20f3🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | zita.ns.cloudflare.com | ||||||
| A | 108.162.192.243🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zita.ns.cloudflare.com | ||||||
| A | 172.64.32.243🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zita.ns.cloudflare.com | ||||||
| A | 173.245.58.243🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zita.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.18.215, 172.67.183.98 | ||||||
| IPv6 hints | 2606:4700:3031::ac43:b762, 2606:4700:3035::6815:12d7 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=85, name=cloudflare-ech.com | ||||||
| SOA | eugene.ns.cloudflare.comdns@cloudflare.com serial=2409827985 | ||||||
top
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.zdnscloud.com ⭐ | ||||||
| NS | a.zdnscloud.cn | ||||||
| NS | b.zdnscloud.cn | ||||||
| NS | c.zdnscloud.com | ||||||
| NS | d.zdnscloud.com | ||||||
| NS | e.zdnscloud.cn | ||||||
| NS | f.zdnscloud.cn | ||||||
| NS | i.zdnscloud.cn | ||||||
| NS | j.zdnscloud.com | ||||||
| TXT | 2026-07-26_06:15:01 | ||||||
| SOA | a.zdnscloud.comtd_dns_gtld@knet.cn serial=1396562587 | ||||||
Same first word
Similar names
mb12.com |
bm21.net |
12bm.net |
12mb.com |
12mb.de |
b12m.com |
bm12.com |
21bm.com |
bm21.com |
21mb.com |
b1m2.cn |
12mb.ru |
m1b2.cn |
1b2m.com |
bm21.de |
DNS History
6 records (6 active, 0 former)
●NSeugene.ns.cloudflare.com2026-06-30 → 2026-07-25 · 2 obs
● 2026-07-25 22:55:14
●NSzita.ns.cloudflare.com2026-06-30 → 2026-07-25 · 2 obs
● 2026-07-25 22:55:14
●A104.21.18.2152026-06-30 → 2026-07-25 · 2 obs
● 2026-07-25 22:55:14
●A172.67.183.982026-06-30 → 2026-07-25 · 2 obs
● 2026-07-25 22:55:14
●A2606:4700:3031::ac43:b7622026-06-30 → 2026-07-25 · 2 obs
● 2026-07-25 22:55:14
●A2606:4700:3035::6815:12d72026-06-30 → 2026-07-25 · 2 obs
● 2026-07-25 22:55:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| top | a.zdnscloud.cn, b.zdnscloud.cn, c.zdnscloud.com, d.zdnscloud.com... | - |
| mb21.top | zita.ns.cloudflare.com, eugene.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.44.72
NS records: zita.ns.cloudflare.com, eugene.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mb21.top (unsigned zone)
⏱️ Timing
Total: 974ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.183.98, 104.21.18.215 |
| AAAA | 2 | 2606:4700:3035::6815:12d7, 2606:4700:3031::ac43:b762 |
| NS | 2 | eugene.ns.cloudflare.com, zita.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | eugene.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
mb21.top resolves to four IP addresses: 104.21.18.215, 172.67.183.98, 2606:4700:3031::ac43:b762 and 2606:4700:3035::6815:12d7.
Additional host names — teachgeek.co, oiss.org, dedol.pl and two others — share IP numbers with mb21.top.
Name Servers
mb21.top is delegated to two name servers: eugene.ns.cloudflare.com and zita.ns.cloudflare.com.
mb21.top shares its name server setup with other domains, including sxtrh.com, ycdssx.com, qianghaixiangsu.com and two others.
mb21.top shares at least some of its name servers with other domains, including onpurple.com, gregorygrozos.com, copyoutbox.com and two others.
These name servers are frequently seen alongside the name servers ulla.ns.cloudflare.com.
Host names with 6 IP numbers:
eugene.ns.cloudflare.com resolves to 108.162.195.72, 162.159.44.72, 172.64.35.72 and 3 other IP addresses.
zita.ns.cloudflare.com resolves to 108.162.192.243, 172.64.32.243, 173.245.58.243 and 3 other IP addresses.