Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
winthrop.org
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 06:24:01 UTC · ↺ Refresh
MX Hostnames
- mxb-0015d802.gslb.pphosted.com
- mxa-0015d802.gslb.pphosted.com
MX Priorities
- mxb-0015d802.gslb.pphosted.com: 10
- mxa-0015d802.gslb.pphosted.com: 10
A / AAAA Records
- 40.77.31.210 (no PTR)
Mail Server IPs
- 148.163.158.196 ↩ mx0b-0015d802.pphosted.com
SOA Record
Raw SOA
ns2.med.nyu.edu dnsmaster.nyumc.org 193 10800 3600 259200 300
Primary NS (mname)
ns2.med.nyu.edu
Admin Email (rname)
dnsmaster@nyumc.org
Serial
193
Refresh
10800s
Retry
3600s
Expire
259200s
Minimum TTL
300s
Nameservers (NS)
ns2.nyumc.org
ns4.nyumc.org
ns1.nyumc.org
ns3.nyumc.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf0.nyulangone.org ~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
✓ 1 found
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- rdbzrdkg78qwgrhzfsbvqxs3gvk0kyn4
- 3r921qfpj1brkhbsz397cc4n5hzdt8z4
- qcw2vpcrcs2tx008k2b1k8g355rfs8vx
- SPFv=spf1 include:spf0.nyulangone.org ~all
- MS=ms75510530
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