Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
451research.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 13:03:10 UTC · ↺ Refresh
MX Hostnames
- mxb-0032c001.gslb.pphosted.com
- mxa-0032c001.gslb.pphosted.com
MX Priorities
- mxb-0032c001.gslb.pphosted.com: 10
- mxa-0032c001.gslb.pphosted.com: 10
A / AAAA Records
- 23.48.224.109 ↩ a23-48-224-109.deploy.static.akamaitechnologies.com
- 23.48.224.102 ↩ a23-48-224-102.deploy.static.akamaitechnologies.com
- 2600:141b:1c00:16::17c4:309 ↩ g2600-141b-1c00-0016-0000-0000-17c4-0309.deploy.static.akamaitechnologies.com
- 2600:141b:1c00:16::17c4:31d ↩ g2600-141b-1c00-0016-0000-0000-17c4-031d.deploy.static.akamaitechnologies.com
Mail Server IPs
- 148.163.152.37 ↩ mx0b-0032c001.pphosted.com
SOA Record
Raw SOA
nsuse01.spglobal.com hostmaster.spglobal.com 2020053256 14400 7200 2592000 300
Primary NS (mname)
nsuse01.spglobal.com
Admin Email (rname)
hostmaster@spglobal.com
Serial
2020053256
Refresh
14400s
Retry
7200s
Expire
2592000s
Minimum TTL
300s
Nameservers (NS)
a7-64.akam.net
a18-67.akam.net
a14-64.akam.net
a12-67.akam.net
a5-66.akam.net
a1-134.akam.net
SPF Record
✓ Soft Fail (~all)
v=spf1 a include:spf1.gliq.com include:spglobal.com ip4:167.89.93.83 ip4:23.253.73.229 ip4:50.57.72.10 ip4:199.15.212.163 ip4:50.57.84.68 ip4:184.106.63.91 ip4:23.253.230.74 ip4:50.56.174.42 ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
s1._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- MS=ms10401228
- SPFv=spf1 a include:spf1.gliq.com include:spglobal.com ip4:167.89.93.83 ip4:23.253.73.229 ip4:50.57.72.10 ip4:199.15.212.163 ip4:50.57.84.68 ip4:184.106.63.91 ip4:23.253.230.74 ip4:50.56.174.42 ~all
- dropbox-domain-verification=uob2uldf8sha
Full email verification for 451research.com
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