Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jhrudolph.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 00:20:10 UTC · ↺ Refresh
MX Hostnames
- mxa-00344903.gslb.pphosted.com
- mxb-00344903.gslb.pphosted.com
MX Priorities
- mxa-00344903.gslb.pphosted.com: 5
- mxb-00344903.gslb.pphosted.com: 5
A / AAAA Records
- 3.33.139.32 ↩ aeedc42b70c898c66.awsglobalaccelerator.com
Mail Server IPs
- 185.183.30.218 ↩ mx08-00344903.pphosted.com
- 185.132.183.168 ↩ mx07-00344903.pphosted.com
SOA Record
Raw SOA
ha1.markmonitor.zone hostmaster.markmonitor.com 2025070702 86400 3600 2592000 172800
Primary NS (mname)
ha1.markmonitor.zone
Admin Email (rname)
hostmaster@markmonitor.com
Serial
2025070702
Refresh
86400s
Retry
3600s
Expire
2592000s
Minimum TTL
172800s
Nameservers (NS)
ha4.markmonitor.zone
ha3.markmonitor.zone
ha1.markmonitor.zone
ha2.markmonitor.zone
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.crhna.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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
5 records- dmlld3BvaW50X2F6dXJlX2NvbW1vbg==
- SPFv=spf1 include:_spf.crhna.com include:spf.protection.outlook.com -all
- adobe-idp-site-verification=1cf630304a394497e92c95b1637cc5e487d32e7940de3c722f37dab39ff49265
- Y3JoYW0=
- MS=ms19509513
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