Domain Overview
DNS: ✓ just now
Checker: ✓ just now
researchsquare.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-23 04:10:44 UTC · ↺ Refresh
MX Hostnames
- mxb-002c5801.gslb.pphosted.com
- mxa-002c5801.gslb.pphosted.com
MX Priorities
- mxa-002c5801.gslb.pphosted.com: 10
- mxb-002c5801.gslb.pphosted.com: 20
A / AAAA Records
- 172.66.159.12 (no PTR)
- 104.20.29.100 (no PTR)
- 2606:4700:10::6814:1d64 (no PTR)
- 2606:4700:10::ac42:9f0c (no PTR)
Mail Server IPs
- 185.183.28.43 ↩ mx08-002c5801.pphosted.com
SOA Record
Raw SOA
gerald.ns.cloudflare.com dns.cloudflare.com 2415188095 10000 2400 604800 1800
Primary NS (mname)
gerald.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2415188095
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
gerald.ns.cloudflare.com
kami.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf-002c5801.pphosted.com include:spf.mtasv.net include:spf.mandrillapp.com include:mail.zendesk.com include:sender.zohobooks.com ip4:195.128.10.18/32 ip4:195.128.10.15/32 ip4:199.168.14.54/32 ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; rf=afrf; pct=100; ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- canva-site-verification=uMuxMWC4PA2aKCxOQXL3Mg
- google-site-verification=dCBzDSCM1LQDUO10aV3tMVIYEu8e3YORtTGvblXpin0
- SPFv=spf1 include:spf-002c5801.pphosted.com include:spf.mtasv.net include:spf.mandrillapp.com include:mail.zendesk.com include:sender.zohobooks.com ip4:195.128.10.18/32 ip4:195.128.10.15/32 ip4:199.168.14.54/32 ~all
- MS=ms23744717
- MS=ms48369011
- MS=ms58598342
- atlassian-domain-verification=5MwiLfO6kDZfwOSAFsYJaIApajnVvRgr/555dRGgO4CaVO9YeErJcb2Mr2zeCnQ3
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