mx1.isic.com.br - robtex.com
mx1.isic.com.br
| DNSSEC | ⚠️ Not signed | ||||||
isic.com.br
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::6815:4c43🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::ac43:bef0🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.76.67Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.190.240🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | will.ns.cloudflare.com ⭐ | ||||||
| NS | zita.ns.cloudflare.com | ||||||
| TXT | v=spf1 -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.76.67, 172.67.190.240 | ||||||
| IPv6 hints | 2606:4700:3033::6815:4c43, 2606:4700:3035::ac43:bef0 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=48, name=cloudflare-ech.com | ||||||
| SOA | will.ns.cloudflare.comdns@cloudflare.com serial=2409892207 | ||||||
Previously MX for
Same first word
Similar names
DNS History
1 record (0 active, 1 former)
○A200.251.96.712015-07-19 → 2016-07-21 · 4 obs
● 2015-07-19 16:28:26
● 2016-07-21 00:44:20
○ 2021-04-07 22:06:58
○ 2026-08-14 19:29:20
● 2016-07-21 00:44:20
○ 2021-04-07 22:06:58
○ 2026-08-14 19:29:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | b.dns.br, f.dns.br, d.dns.br, e.dns.br... | - |
| isic.com.br | will.ns.cloudflare.com, zita.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.33.149
NS records: will.ns.cloudflare.com, zita.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for isic.com.br (unsigned zone)
⏱️ Timing
Total: 490ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|