surelock.org

Valid Email Server
Domain Lookup › surelock.org

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
surelock.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 19:43:11 UTC · ↺ Refresh

MX Hostnames

  • surelock-org.mail.protection.outlook.com

MX Priorities

  • surelock-org.mail.protection.outlook.com: 0

A / AAAA Records

  • 198.202.211.1 (no PTR)
  • 2620:cb:2000::1 (no PTR)

Mail Server IPs

  • 52.101.99.0 ↩ mail-cwxp265cu00600.inbound.protection.outlook.com
  • 52.101.99.2 ↩ mail-cwxp265cu00502.inbound.protection.outlook.com
  • 52.101.89.0 ↩ mail-lo2p265cu02300.inbound.protection.outlook.com
  • 52.101.89.1 ↩ mail-lo0p265cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:ca0b::2 ↩ mail-lo0p265cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca1a:: ↩ mail-cwxp265cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca1a::1 ↩ mail-cwxp265cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca0b:: ↩ mail-lo2p265cu02300.inbound.protection.outlook.com

SOA Record

Raw SOA rob.ns.cloudflare.com dns.cloudflare.com 2399858373 10000 2400 604800 1800
Primary NS (mname)
rob.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399858373
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

sandy.ns.cloudflare.com
rob.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 a ip4:176.56.62.4 include:spf.protection.outlook.com include:eu.mailgun.org -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 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
⚠ Public key (p=) missing in DKIM record for selector google.

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

All TXT Records

3 records
  • google-site-verification=TonoUVgfyhuL_Jb6CaxXkO07PeSo-7z0-fY9XTNXsFw
  • SPFv=spf1 a ip4:176.56.62.4 include:spf.protection.outlook.com include:eu.mailgun.org -all
  • MS=ms49770034
Full email verification for surelock.org

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