mx.biotekchina.com - robtex.com
mx.biotekchina.com
| DNSSEC | ⚠️ Not signed | ||||||
biotekchina.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:dde5🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:4379🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.67.121Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.221.229🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | barbara.ns.cloudflare.com ⭐ | ||||||
| NS | trevor.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.67.121, 172.67.221.229 | ||||||
| IPv6 | 2606:4700:3031::ac43:dde5, 2606:4700:3035::6815:4379 | ||||||
| SOA | barbara.ns.cloudflare.comdns@cloudflare.com serial=2399479118 | ||||||
Previously MX for
Same first word
Similar names
DNS History
1 record (0 active, 1 former)
○A118.145.2.1502015-06-09 → 2016-12-20 · 3 obs
● 2015-06-09 06:46:32
● 2016-12-20 23:43:50
○ 2026-03-27 21:10:52
● 2016-12-20 23:43:50
○ 2026-03-27 21:10:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| biotekchina.com | barbara.ns.cloudflare.com, trevor.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.195.154
NS records: barbara.ns.cloudflare.com, trevor.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for biotekchina.com (unsigned zone)
⏱️ Timing
Total: 165ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (barbara.ns.cloudflare.com, barbara.ns.cloudflare.com, barbara.ns.cloudflare.com...)