bt121.org - robtex.com
bt121.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3037::6815:2d8b🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:d72e🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.45.139Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.215.46🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | mitch.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3bd0🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mitch.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1d0🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | mitch.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21d0🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | mitch.ns.cloudflare.com | ||||||
| A | 108.162.193.208🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mitch.ns.cloudflare.com | ||||||
| A | 172.64.33.208🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mitch.ns.cloudflare.com | ||||||
| A | 173.245.59.208🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mitch.ns.cloudflare.com | ||||||
| NS | sandra.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:2622🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sandra.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c222🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | sandra.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2222🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | sandra.ns.cloudflare.com | ||||||
| A | 108.162.194.34🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sandra.ns.cloudflare.com | ||||||
| A | 162.159.38.34Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sandra.ns.cloudflare.com | ||||||
| A | 172.64.34.34🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sandra.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.45.139, 172.67.215.46 | ||||||
| IPv6 | 2606:4700:3037::6815:2d8b, 2606:4700:3037::ac43:d72e | ||||||
| SOA | mitch.ns.cloudflare.comdns@cloudflare.com serial=2400234311 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1775016747 | ||||||
Subdomains
www.bt121.org |
Same first word
bt121.org |
Similar names
DNS History
10 records (6 active, 4 former)
●NSmitch.ns.cloudflare.com2026-04-01 → 2026-04-01 · 2 obs
● 2026-04-01 04:51:12
○NSns1.julydns.com2026-04-01 → 2026-04-01 · 2 obs
○ 2026-04-01 04:51:12
○NSns2.julydns.com2026-04-01 → 2026-04-01 · 2 obs
○ 2026-04-01 04:51:12
●NSsandra.ns.cloudflare.com2026-04-01 → 2026-04-01 · 2 obs
● 2026-04-01 04:51:12
●A104.21.45.1392026-04-01 → 2026-04-01 · 2 obs
● 2026-04-01 04:51:12
●A172.67.215.462026-04-01 → 2026-04-01 · 2 obs
● 2026-04-01 04:51:12
●A2606:4700:3037::6815:2d8b2026-04-01 → 2026-04-01 · 2 obs
● 2026-04-01 04:51:12
●A2606:4700:3037::ac43:d72e2026-04-01 → 2026-04-01 · 2 obs
● 2026-04-01 04:51:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | d0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org | - |
| bt121.org | sandra.ns.cloudflare.com, mitch.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.38.34
NS records: sandra.ns.cloudflare.com, mitch.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bt121.org (unsigned zone)
⏱️ Timing
Total: 312ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.45.139, 172.67.215.46 |
| AAAA | 2 | 2606:4700:3037::6815:2d8b, 2606:4700:3037::ac43:d72e |
| NS | 2 | mitch.ns.cloudflare.com, sandra.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | mitch.ns.cloudflare.com dns.cloudflare.c |
Analysis
Hierarchy
bt121.org is a parent of www.bt121.org.
IP Addresses
bt121.org resolves to four IPs: 2606:4700:3037::6815:2d8b, 2606:4700:3037::ac43:d72e, 104.21.45.139 and 172.67.215.46.
Other host names such as sociaalwerk-werkt.nl, 365ishpins.com, miron.ru, www.1515hh.com and naturalflow.us share IP numbers with bt121.org.
Name Servers
bt121.org is delegated to two name servers: mitch.ns.cloudflare.com and sandra.ns.cloudflare.com.
bt121.org uses the same name server setup as other domains, including jade.co.il, 52photo.net, 125xun.cn, playsoundbkk.com and uni001.cn.
At least part of the name servers for bt121.org are shared with other domains, for instance farmaciatei.ro, trycolors.com, funds-investment.click, pt.software and burberry-store.com.
Host names with six IP numbers:
mitch.ns.cloudflare.com points to: 2606:4700:58::adf5:3bd0, 2803:f800:50::6ca2:c1d0, 2a06:98c1:50::ac40:21d0, 108.162.193.208, 172.64.33.208 and 173.245.59.208.
sandra.ns.cloudflare.com points to: 2606:4700:50::a29f:2622, 2803:f800:50::6ca2:c222, 2a06:98c1:50::ac40:2222, 108.162.194.34, 162.159.38.34 and 172.64.34.34.