Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nebraskablue.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 20:58:54 UTC · ↺ Refresh
MX Hostnames
- mxa-0020e601.gslb.pphosted.com
- mxb-0020e601.gslb.pphosted.com
MX Priorities
- mxa-0020e601.gslb.pphosted.com: 10
- mxb-0020e601.gslb.pphosted.com: 10
A / AAAA Records
- 20.109.243.26 (no PTR)
Mail Server IPs
- 148.163.148.92 ↩ mx0a-0020e601.pphosted.com
- 148.163.152.92 ↩ mx0b-0020e601.pphosted.com
SOA Record
Raw SOA
ns1-38.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-38.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns4-38.azure-dns.info
ns1-38.azure-dns.com
ns2-38.azure-dns.net
ns3-38.azure-dns.org
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
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
13 records- apple-domain-verification=oIMSqb6r9lAvhGDv
- 70n9w3fb66w60jy5wj4mf6zb44h18kqg
- SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
- mandrill_verify.ZneCZvDMZNc7g47d-vm4Ig
- ms6wb9y3gx1wq6mm9qwt2450385wc399
- d365mktkey=FLkogg18quRlwPR7b1T1FZrMTHuxB7xohK57Wm7cPRUx
- infoblox-domain-mastery=0d31ab2f24343ebc4dddd5d6f62673b8aa1a7a6f9ca6bb9222b1d7aed40e2f84d8
- _egrxn21ir9pe65720okeaf0uw2um4gt
- _i3twio72kwj05vixppi7q5hkyevfdag
- MS=ms65888677
- J6NeQy3bq3nFGfcVFkl1/zD8kA8VsfG68tD8vHkgffj2RtPAhKBWubkb51F6a2IRIhKPI9mjzoS5E1sro2KmUQ==
- adobe-idp-site-verification=bb0e16f7cc0bb05892b1961ac0ab3a06470790228f74bfe49a5717f318b73b05
- ZOOM_verify_5ZXnLFA9SHiUx-mOpOi25A
Full email verification for nebraskablue.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits