Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
johnmulligan.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 21:46:04 UTC · ↺ Refresh
MX Hostnames
- johnmulligan-com.mail.protection.outlook.com
MX Priorities
- johnmulligan-com.mail.protection.outlook.com: 0
A / AAAA Records
- 192.154.228.217 ↩ pacha.tier.net
Mail Server IPs
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.sinpak.com info.sinpak.com 2026022701 3600 1800 1209600 86400
Primary NS (mname)
ns1.sinpak.com
Admin Email (rname)
info@sinpak.com
Serial
2026022701
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.sinpak.com
ns1.sinpak.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:192.154.228.217 include:relay.mailchannels.net +a +mx +include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 ip4:192.154.228.217 include:relay.mailchannels.net +a +mx +include:spf.protection.outlook.com -all
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