ns1.mailrb2b.com - robtex.com

ns1.mailrb2b.com

DNSSEC⚠️ Not signed

mailrb2b.com

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:8d9eπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3031::6815:5eefπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.94.239Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.141.158πŸ‡ΊπŸ‡Έ Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NSnolan.ns.cloudflare.com ⭐
NSsonia.ns.cloudflare.com
MXmailrb2b-com.mail.protection.outlook.com ⭐
TXTMS=ms56710371
TXTv=spf1 include:spf.protection.outlook.com ~all
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4 hints104.21.94.239, 172.67.141.158
IPv6 hints2606:4700:3030::ac43:8d9e, 2606:4700:3031::6815:5eef
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=214, name=cloudflare-ech.com
SOAnolan.ns.cloudflare.comdns@cloudflare.com serial=2399815705

Previously NS for

Same first word

Similar names

DNS History

1 record (0 active, 1 former)

202120222023202420252026A167.71.91.255
β—‹A167.71.91.2552020-02-04 β†’ 2020-02-04 Β· 3 obs
● 2020-02-04 10:09:44
β—‹ 2026-05-10 04:31:40
β—‹ 2026-05-10 04:31:42

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
mailrb2b.comsonia.ns.cloudflare.com, nolan.ns.cloudflare.com12 records

βœ… Authoritative Response

Server:108.162.194.190

NS records: sonia.ns.cloudflare.com, nolan.ns.cloudflare.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mailrb2b.com (unsigned zone)

⏱️ Timing

Total: 757ms | Queries: -

πŸ“„ Records

TypeCountSample Data

πŸ“Œ Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (sonia.ns.cloudflare.com, sonia.ns.cloudflare.com, sonia.ns.cloudflare.com...)