ob10.com

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
ob10.com
Yes
โœ“ Yes
Unknown
No
No
โš  Yes
No
No
Did you mean: [email protected]

Checked via [email protected] ยท 2026-03-18 19:32:40 UTC ยท โ†บ Refresh

MX Hostnames

  • firewall.ob10.com

MX Priorities

  • firewall.ob10.com: 0

A / AAAA Records

  • 104.16.141.163 (no PTR)
  • 104.16.143.163 (no PTR)
  • 104.16.140.163 (no PTR)
  • 104.16.144.163 (no PTR)
  • 104.16.142.163 (no PTR)
  • 2606:4700::6810:8fa3 (no PTR)
  • 2606:4700::6810:8da3 (no PTR)
  • 2606:4700::6810:8ca3 (no PTR)
  • 2606:4700::6810:90a3 (no PTR)
  • 2606:4700::6810:8ea3 (no PTR)

Mail Server IPs

No IPs resolved.

SOA Record

Raw SOA beth.ns.cloudflare.com dns.cloudflare.com 2398709663 10000 2400 604800 1800
Primary NS (mname)
beth.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398709663
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

beth.ns.cloudflare.com
noel.ns.cloudflare.com

SPF Record

โœ“ Strict (-all)
v=spf1 mx include:_netblocks.mimecast.com include:spf.protection.outlook.com ip4:34.241.143.239 ip4:34.241.203.136 ip4:195.171.121.190 ip4:38.99.18.35 ip4:203.115.247.4 ip4:208.117.54.126 -all
๐Ÿ“Š DNS lookups: 3/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ“ Reject
v=DMARC1; p=reject; sp=reject; [email protected]
โœ“ Reject โ€” strongest protection
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ [email protected]
โ†ณ Subdomain policy: reject

DKIM Selectors

โœ“ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
โœ“ DKIM properly configured for selector: google

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • 0ed1fe018a68e0f51697804d79a743e1ef47e78fd5
  • MS=ms32218682
  • SPFv=spf1 mx include:_netblocks.mimecast.com include:spf.protection.outlook.com ip4:34.241.143.239 ip4:34.241.203.136 ip4:195.171.121.190 ip4:38.99.18.35 ip4:203.115.247.4 ip4:208.117.54.126 -all
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