Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
n-t.nationalgrid.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 11:04:49 UTC · ↺ Refresh
MX Hostnames
- mxa-003cc501.gslb.pphosted.com
- mxb-003cc501.gslb.pphosted.com
MX Priorities
- mxa-003cc501.gslb.pphosted.com: 10
- mxb-003cc501.gslb.pphosted.com: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 205.220.160.89 ↩ mx0a-003cc501.pphosted.com
SOA Record
Raw SOA
gdn1us-bilrc-sib-extmaster.net.ngrid.net hostmaster.pcn-inc.com 5 10800 3600 2419200 900
Primary NS (mname)
gdn1us-bilrc-sib-extmaster.net.ngrid.net
Admin Email (rname)
hostmaster@pcn-inc.com
Serial
5
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
900s
Nameservers (NS)
ns02.nationalgrid.com
ns01.nationalgrid.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf-003cc501.pphosted.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:spf-003cc501.pphosted.com -all
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