Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
immunitybio.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 04:49:33 UTC · ↺ Refresh
MX Hostnames
- smtp3.nantworks.com
- smtp4.nantworks.com
- smtp5.nantworks.com
MX Priorities
- smtp3.nantworks.com: 0
- smtp5.nantworks.com: 10
- smtp4.nantworks.com: 0
A / AAAA Records
- 141.193.213.10 (no PTR)
- 141.193.213.11 (no PTR)
Mail Server IPs
- 208.74.224.149 ↩ smtp3.nantworks.com
- 208.74.225.125 ↩ smtp5.nantworks.com
- 208.74.224.150 ↩ smtp4.nantworks.com
SOA Record
Raw SOA
ns51.domaincontrol.com dns.jomax.net 2025091800 28800 7200 604800 600
Primary NS (mname)
ns51.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025091800
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns52.domaincontrol.com
ns51.domaincontrol.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate 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
✓ 2 found
s1._domainkey
s2._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
8 records- SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
- miro-verification=70ff4e028e92314090c351c4f78e23fed4fe4f41
- docusign=46ca193b-f9da-4e44-97a5-eee04f10f04a
- slack-domain-verification=kFThpSywRsiunZt02tO5qmVs2LVI28TaCv2r89Yk
- adobe-idp-site-verification=cb770e05fab37726c9771a32ddd6bb422995b8e10b2e5b46f12ebe50a204d28a
- bw=7EDDJbK4Y2i31GxDMuaXW2uCQhgzTXpjfjbChiM45m0w
- ZOOM_verify_hgkbpnxyQTKBRd5QeicZWA
- apple-domain-verification=T6v2RLs40J9Q2QPD
Full email verification for immunitybio.com
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