Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nbcllc.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 14:20:08 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 20
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 96.244.96.99 ↩ static-96-244-96-99.bltmmd.fios.verizon.net
Mail Server IPs
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ns1.p201.dns.oraclecloud.net hostmaster.nbcllc.com 24 3600 600 604800 1800
Primary NS (mname)
ns1.p201.dns.oraclecloud.net
Admin Email (rname)
hostmaster@nbcllc.com
Serial
24
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ns1.p201.dns.oraclecloud.net
ns3.p201.dns.oraclecloud.net
ns2.p201.dns.oraclecloud.net
ns4.p201.dns.oraclecloud.net
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:144.202.231.98 include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:_spf.qualtrics.com include:wappmail.com include:_spf.salesforce.com include:_spf.psm.knowbe4.com ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 ip4:144.202.231.98 include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:_spf.qualtrics.com include:wappmail.com include:_spf.salesforce.com include:_spf.psm.knowbe4.com ~all
- MS=ms67349838
Full email verification for nbcllc.com
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