Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jchb.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 18:05:32 UTC · ↺ Refresh
MX Hostnames
- jchb-org.mail.protection.outlook.com
MX Priorities
- jchb-org.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.69.97 (no PTR)
- 172.67.206.249 (no PTR)
Mail Server IPs
- 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
SOA Record
Raw SOA
arch.ns.cloudflare.com dns.cloudflare.com 2397466674 10000 2400 604800 1800
Primary NS (mname)
arch.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397466674
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
tess.ns.cloudflare.com
arch.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:75.99.18.194 include:_netblocks.mimecast.com include:spf.campminder.com include:server265.smtp-spf.sureserver.com include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=5;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
⚠ Policy applies to 5% of failing messages only
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- MS=ms12003760
- cZIxVCjcFO6irTuY6IDwm8/0BGH+Ds/Z14NjTkINA99LOdLSTwMwJLNARkTwA8b3z6w2L2icCaOl0BcR0hNeMA==
- google-site-verification=4z8GeIzovD7WUw5DgzlC_aIg7bqyeq-Tzj8i5onA_Ug
- SPFv=spf1 ip4:75.99.18.194 include:_netblocks.mimecast.com include:spf.campminder.com include:server265.smtp-spf.sureserver.com include:spf.protection.outlook.com -all
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