Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
pgre.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 20:27:45 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 10
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 52.200.18.111 ↩ ec2-52-200-18-111.compute-1.amazonaws.com
Mail Server IPs
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ns81.worldnic.com namehost.worldnic.com 125032015 10800 3600 604800 3600
Primary NS (mname)
ns81.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125032015
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns82.worldnic.com
ns81.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_netblocks.mimecast.com include:spf.nexuspayables.com include:20985456.spf01.hubspotemail.net include:servers.mcsv.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; pct=100; adkim=r; aspf=r; rua=mailto:[email protected]; ruf=mailto:[email protected]; ri=86400; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- knowbe4-site-verification=577c0ecec0171b0237badc3253efac54
- ZOOM_verify_ddnXrLgqTxChSHVwm4RA1Q
- MS=ms72810435
- 2BEDLU793E886533Q3OHFOMM5G
- apple-domain-verification=2p1sIMmKeSi0kKEW
- SPFv=spf1 include:spf.protection.outlook.com include:_netblocks.mimecast.com include:spf.nexuspayables.com include:20985456.spf01.hubspotemail.net include:servers.mcsv.net -all
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