mb66.fail - robtex.com
mb66.fail
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::ac43:dd75🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3034::6815:2b42🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.43.66Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.221.117🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | coen.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2c97🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | coen.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c397🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | coen.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2397🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | coen.ns.cloudflare.com | ||||||
| A | 108.162.195.151🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | coen.ns.cloudflare.com | ||||||
| A | 162.159.44.151Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | coen.ns.cloudflare.com | ||||||
| A | 172.64.35.151🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | coen.ns.cloudflare.com | ||||||
| NS | meiling.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:26fe🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | meiling.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2fe🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | meiling.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22fe🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | meiling.ns.cloudflare.com | ||||||
| A | 108.162.194.254🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | meiling.ns.cloudflare.com | ||||||
| A | 162.159.38.254Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | meiling.ns.cloudflare.com | ||||||
| A | 172.64.34.254🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | meiling.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.43.66, 172.67.221.117 | ||||||
| IPv6 | 2606:4700:3033::ac43:dd75, 2606:4700:3034::6815:2b42 | ||||||
| SOA | coen.ns.cloudflare.comdns@cloudflare.com serial=2399401716 | ||||||
fail
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | v0n0.nic.fail ⭐ | ||||||
| NS | v0n1.nic.fail | ||||||
| NS | v0n2.nic.fail | ||||||
| NS | v0n3.nic.fail | ||||||
| NS | v2n0.nic.fail | ||||||
| NS | v2n1.nic.fail | ||||||
| SOA | v0n0.nic.failhostmaster@donuts.email serial=1774276702 | ||||||
rank #7 in the tld
Same first word
Similar names
DNS History
7 records (6 active, 1 former)
●NScoen.ns.cloudflare.com2026-03-03 → 2026-03-23 · 2 obs
● 2026-03-23 15:14:14
●NSmeiling.ns.cloudflare.com2026-03-03 → 2026-03-23 · 2 obs
● 2026-03-23 15:14:14
●A104.21.43.662026-03-03 → 2026-03-23 · 5 obs
● 2026-03-06 04:32:44
○ 2026-03-06 08:31:44
● 2026-03-23 15:14:08
● 2026-03-23 15:14:14
○A172.64.80.12026-03-06 → 2026-03-06 · 4 obs
● 2026-03-06 08:31:44
○ 2026-03-23 15:14:08
○ 2026-03-23 15:14:14
●A172.67.221.1172026-03-03 → 2026-03-23 · 5 obs
● 2026-03-06 04:32:44
○ 2026-03-06 08:31:44
● 2026-03-23 15:14:08
● 2026-03-23 15:14:14
●A2606:4700:3033::ac43:dd752026-03-03 → 2026-03-23 · 2 obs
● 2026-03-23 15:14:14
●A2606:4700:3034::6815:2b422026-03-03 → 2026-03-23 · 2 obs
● 2026-03-23 15:14:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| fail | v0n0.nic.fail, v0n1.nic.fail, v0n2.nic.fail, v0n3.nic.fail... | 12 records |
| mb66.fail | coen.ns.cloudflare.com, meiling.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.34.254
NS records: coen.ns.cloudflare.com, meiling.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mb66.fail (unsigned zone)
⏱️ Timing
Total: 428ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.43.66, 172.67.221.117 |
| AAAA | 2 | 2606:4700:3033::ac43:dd75, 2606:4700:3034::6815:2b42 |
| NS | 2 | coen.ns.cloudflare.com, meiling.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | coen.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (v0n0.nic.fail, v0n0.nic.fail, v0n1.nic.fail...)
Analysis
IP Addresses
mb66.fail points to four IP numbers: 2606:4700:3033::ac43:dd75, 2606:4700:3034::6815:2b42, 104.21.43.66 and 172.67.221.117.
Other host names, for instance cwgrp.com, 888ap.cn, www.guiaviagensbrasil.com, runetki-chat.ru and arrecifesnoticias.com share IP numbers with mb66.fail.
Name Servers
Delegation for mb66.fail rests with two name servers, coen.ns.cloudflare.com and meiling.ns.cloudflare.com.
mb66.fail shares the same name server setup as other domains, including bw168win.com, bj888.plus, anae88.com, ghornatah.com and pafipdkalimantantimur.org.
mb66.fail at least partially shares name servers with other domains, for instance swess-lab.com, usxxtech.com, tkydt.com, mbi.com.pt and anthonychan.com.
these name servers are commonly used with dara.ns.cloudflare.com, theo.ns.cloudflare.com and vasilii.ns.cloudflare.com.
Host names with six IP numbers: coen.ns.cloudflare.com points to: 2606:4700:58::a29f:2c97, 2803:f800:50::6ca2:c397, 2a06:98c1:50::ac40:2397, 108.162.195.151, 162.159.44.151 and 172.64.35.151. meiling.ns.cloudflare.com points to: 2606:4700:50::a29f:26fe, 2803:f800:50::6ca2:c2fe, 2a06:98c1:50::ac40:22fe, 108.162.194.254, 162.159.38.254 and 172.64.34.254.