Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
christopherguy.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 02:46:51 UTC · ↺ Refresh
MX Hostnames
- christopherguy-com.mail.protection.outlook.com
MX Priorities
- christopherguy-com.mail.protection.outlook.com: 0
A / AAAA Records
- 76.223.90.83 ↩ a0d154c3b2de2df33.awsglobalaccelerator.com
- 13.248.211.94 ↩ a0d154c3b2de2df33.awsglobalaccelerator.com
Mail Server IPs
- 52.101.137.0 ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
- 52.101.157.80 ↩ mail-os8pr02cu00100.inbound.protection.outlook.com
- 52.101.124.117 ↩ mail-tydpr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:cc09:: ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
- 2a01:111:f403:cc1a::8 ↩ mail-tydpr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:cc1f::4 ↩ mail-os8pr02cu00104.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1309.awsdns-35.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1309.awsdns-35.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1309.awsdns-35.org
ns-153.awsdns-19.com
ns-1548.awsdns-01.co.uk
ns-916.awsdns-50.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.mail.yahoo.com include:amazonses.com include:mail.zendesk.com include:_spf.google.com include:spf.ipzmarketing.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._domainkey
✓ 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- facebook-domain-verification=lrw0k3lvtugj4rqlm9lm7m5hrlxqbs
- google-site-verification=QLesGgCgliYCz1SlZMzWrL7mRCRdcOJd1sEqwL9lWIE
- google-site-verification=TqQsMLNXLrMAzSNeWUJnjsOADD_kJfW3rgwsxYx3GF8
- google-site-verification=zZm8ucNI8JFn1FK5LYJiU76Gc2l_sW8EP6EItXYZYjM
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.mail.yahoo.com include:amazonses.com include:mail.zendesk.com include:_spf.google.com include:spf.ipzmarketing.com -all
- brevo-code:88f9b858bb313fc8452ccc517a7e3bbc
Full email verification for christopherguy.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits