nrdc.org

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
nrdc.org
Yes
โœ“ Yes
Proofpoint
No
No
โš  Yes
No
No
Did you mean: [email protected]

Checked via [email protected] ยท 2026-03-24 02:24:12 UTC ยท โ†บ Refresh

MX Hostnames

  • mxa-0030d801.gslb.pphosted.com
  • mxb-0030d801.gslb.pphosted.com

MX Priorities

  • mxa-0030d801.gslb.pphosted.com: 10
  • mxb-0030d801.gslb.pphosted.com: 10

A / AAAA Records

  • 69.164.208.144 โ†ฉ nrdcapps.nrdcops.org

Mail Server IPs

  • 148.163.146.142 โ†ฉ mx0a-0030d801.pphosted.com
  • 148.163.142.113 โ†ฉ mx0b-0030d801.pphosted.com

SOA Record

Raw SOA ns1-02.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-02.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns1-02.azure-dns.com
ns2-02.azure-dns.net
ns3-02.azure-dns.org
ns4-02.azure-dns.info

SPF Record

โœ“ Soft Fail (~all)
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
๐Ÿ“Š DNS lookups: 1/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

โœ“ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
โœ“ Reject โ€” strongest protection
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ“ 2 found
selector1._domainkey
selector2._domainkey
โœ“ Public key: 216 chars (valid)
โœ“ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

9 records
  • 795981589-23226688
  • ciscocidomainverification=616ed4ff71808abf72d6167da65a9e3df85155f6d1101adf7360fec0883883d2
  • g5/aA3/CpAYFd1PtcJMCh+/M0fex9tqF9UxJv7TMt608PM6c8Y+wTpd58rJxPvN50X4WpYSC7j1pl6uEGNgD2Q==
  • apple-domain-verification=8MFTcrXRWQIWYOig
  • docusign=64d531ea-6334-42a0-9208-bbf4a8b0bf9a
  • google-site-verification=zrhr9nQnHuMhostFkDekqBzebjI3L_0x7hcKLpbs0kw
  • pexip-ms-tenant-domain-verification=dc2c0cca-0666-451f-bbe0-001aa984617d
  • google-site-verification=gc_l4pkaXkT_GbFvYvA2z1TQs1LgMFaPFdJP-bqdfrY
  • SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
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