number8.com

Valid Email Server
Domain Lookup › number8.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
number8.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-20 22:34:08 UTC · ↺ Refresh

MX Hostnames

  • number8-com.mail.protection.outlook.com

MX Priorities

No priority data.

A / AAAA Records

  • 52.85.31.125
  • 52.85.31.102
  • 52.85.31.117
  • 52.85.31.5

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

ns-523.awsdns-01.net
ns-1114.awsdns-11.org
ns-130.awsdns-16.com
ns-1720.awsdns-23.co.uk

SPF Record

✓ Soft Fail (~all)
v=spf1 mx include:spf.protection.outlook.com include:amazonses.com include:6622006.spf05.hubspotemail.net include:_spf.mlsend.com ip4:69.169.238.234/31 ip4:168.245.76.26 ip4:168.245.70.213 ip4:168.245.123.49 ip4:168.245.118.60 ip4:198.37.158.59 ip4:199.16.139.16/28 ip4:206.108.40.0/25 ip4:206.154.105.160/27 ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; aspf=r; adkim=r;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

DKIM Selectors

✓ 3 found
google._domainkey
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google

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

All TXT Records

13 records
  • google-site-verification=ym1_Wf_jOoLRkGus80DkxCwR-NAAoT1zGfcQw7OSm6E
  • SPFv=spf1 mx include:spf.protection.outlook.com include:amazonses.com include:6622006.spf05.hubspotemail.net include:_spf.mlsend.com ip4:69.169.238.234/31 ip4:168.245.76.26 ip4:168.245.70.213 ip4:168.245.123.49 ip4:168.245.118.60 ip4:198.37.158.59 ip4:199.16.139.16/28 ip4:206.108.40.0/25 ip4:206.154.105.160/27 ~all
  • v=verifydomain MS=9471301
  • MS=ms15448990
  • MS=ms17519062
  • MS=ms82239054
  • ZOOM_verify_sIYneyVVSQa53s9QmzEyQA
  • apple-domain-verification=MKTrs1nt230334Fd
  • atlassian-domain-verification=Tf3nRt+Ki4FfSmrAYXeZ44ERe5iLaeDT9ajJO2mBZcCE2HuD7IPfkF5N/RsRlPGf
  • google-site-verification=Oi6VfhEz-y1_WMZ7kMk60sBJVn6yJzytzPsOOsTTvMo
  • google-site-verification=SNkYI3d7QkGHoC7XJC6f-Nby7zajg0KbuB76zDIUE6I
  • google-site-verification=Z7Z3oW4RUGXlnVrs7v9EDc9F7qlwrCyH1KxOzzzeXVg
  • google-site-verification=k13KSh4CRMINE1z9gAz3L3HO4IWJMGl5WuavKKkVQwo
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