post.mailrb2b.com - robtex.com
post.mailrb2b.com
| DNSSEC | β οΈ Not signed | ||||||
mailrb2b.com
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3030::ac43:8d9eπΊπΈ Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3031::6815:5eefπΊπΈ Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.94.239Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.141.158πΊπΈ Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | nolan.ns.cloudflare.com β | ||||||
| NS | sonia.ns.cloudflare.com | ||||||
| MX | mailrb2b-com.mail.protection.outlook.com β | ||||||
| TXT | MS=ms56710371 | ||||||
| TXT | v=spf1 include:spf.protection.outlook.com ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.94.239, 172.67.141.158 | ||||||
| IPv6 hints | 2606:4700:3030::ac43:8d9e, 2606:4700:3031::6815:5eef | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=141, name=cloudflare-ech.com | ||||||
| SOA | nolan.ns.cloudflare.comdns@cloudflare.com serial=2399815705 | ||||||
Previously MX for
Same first word
Similar names
DNS History
1 record (0 active, 1 former)
βA162.243.171.2372015-06-17 β 2015-06-17 Β· 3 obs
β 2015-06-17 15:39:44
β 2015-11-15 10:40:04
β 2026-05-10 03:44:40
β 2015-11-15 10:40:04
β 2026-05-10 03:44:40
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| mailrb2b.com | sonia.ns.cloudflare.com, nolan.ns.cloudflare.com | 12 records |
β Authoritative Response
Server:108.162.194.190
NS records: sonia.ns.cloudflare.com, nolan.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for mailrb2b.com (unsigned zone)
β±οΈ Timing
Total: 61ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|
π Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (sonia.ns.cloudflare.com, sonia.ns.cloudflare.com, sonia.ns.cloudflare.com...)