mail07.fcbu.com - robtex.com
mail07.fcbu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 111.63.65.103🇨🇳 CMNET-V4HEBEI-AS-AP111.63.64.0/20 CMI (Customer Route) | ||||||
fcbu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::6815:4d7b🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3031::ac43:cfac🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.77.123Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.207.172🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | justin.ns.cloudflare.com ⭐ | ||||||
| NS | may.ns.cloudflare.com | ||||||
| MX | mx1.larksuite.com ⭐ | ||||||
| MX | mx2.larksuite.com(5) | ||||||
| MX | mx3.larksuite.com(10) | ||||||
| TXT | v=spf1 +include:spf.onlarksuite.com -all | ||||||
| TXT | verification-code-site-App_lark=BeVa6VpENXsbuX04Qevv | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.77.123, 172.67.207.172 | ||||||
| IPv6 hints | 2606:4700:3031::6815:4d7b, 2606:4700:3031::ac43:cfac | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=23, name=cloudflare-ech.com | ||||||
| SOA | justin.ns.cloudflare.comdns@cloudflare.com serial=2406282074 | ||||||
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
●A111.63.65.1032026-07-04 → 2026-08-03 · 3 obs
○ 2026-05-29 07:09:20
● 2026-07-04 13:38:24
● 2026-08-03 05:51:34
● 2026-07-04 13:38:24
● 2026-08-03 05:51:34
○A152.67.207.92026-03-01 → 2026-05-29 · 4 obs
● 2026-03-01 02:27:54
● 2026-05-29 07:09:20
○ 2026-07-04 13:38:24
○ 2026-08-03 05:51:34
● 2026-05-29 07:09:20
○ 2026-07-04 13:38:24
○ 2026-08-03 05:51:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net, i.gtld-servers.net... | - |
| fcbu.com | may.ns.cloudflare.com, justin.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.192.135
NS records: may.ns.cloudflare.com, justin.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fcbu.com (unsigned zone)
⏱️ Timing
Total: 129ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 111.63.65.103 |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (may.ns.cloudflare.com, may.ns.cloudflare.com, may.ns.cloudflare.com...)
Analysis
IP Addresses
mail07.fcbu.com resolves to one IP address: 111.63.65.103.
ccdd33.com, 1717yy.com, mail03.fcbu.com and two other host names share IP numbers with mail07.fcbu.com.