Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
chesterton.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 13:03:42 UTC · ↺ Refresh
MX Hostnames
- chesterton-com.mail.protection.outlook.com
MX Priorities
- chesterton-com.mail.protection.outlook.com: 0
A / AAAA Records
- 20.242.56.227 ↩ chestertonweb.eastus2.cloudapp.azure.com
Mail Server IPs
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
SOA Record
Raw SOA
ns528.pair.com root.pair.com 2025110310 3600 300 604800 3600
Primary NS (mname)
ns528.pair.com
Admin Email (rname)
root@pair.com
Serial
2025110310
Refresh
3600s
Retry
300s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns528.pair.com
ns000.ns0.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:50.204.98.98 include:2535282.spf02.hubspotemail.net ip4:192.88.199.96 ip4:148.59.100.16/28 include:sendgrid.net include:_spf.smtp.com include:dnsexit.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
6 records- google-gws-recovery-domain-verification=51226841
- SPFv=spf1 include:spf.protection.outlook.com ip4:50.204.98.98 include:2535282.spf02.hubspotemail.net ip4:192.88.199.96 ip4:148.59.100.16/28 include:sendgrid.net include:_spf.smtp.com include:dnsexit.com -all
- 2o7poTktlHJRxII2ZzIR6F6nIy1ul2Ta5/q6QGZSubzbrnzhwFXAwPpDanre5+A4BQnsIodVTEdd52XYGWPRvw==
- apple-domain-verification=BHZ6kEF2VkrVUsnp
- msfpkey=1r2x31lpt87kkxn8zdf6gpcfn
- google-site-verification=ZsFQF5VCPtumWFJNEur0LUqnG3tFOfcyBcNcSfwkMjE
Full email verification for chesterton.com
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