Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
greylockenergy.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 11:29:53 UTC · ↺ Refresh
MX Hostnames
- greylockenergy-com.mail.protection.outlook.com
MX Priorities
- greylockenergy-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.80.99 (no PTR)
- 172.67.177.42 (no PTR)
- 2606:4700:3034::6815:5063
- 2606:4700:3031::ac43:b12a
Mail Server IPs
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
byron.ns.cloudflare.com dns.cloudflare.com 2399417866 10000 2400 604800 1800
Primary NS (mname)
byron.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399417866
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
sofia.ns.cloudflare.com
byron.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com ip4:72.13.211.192 ip4:72.55.214.131 ip4:74.43.30.98 ip4:216.225.35.198 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- MS=ms48567323
- apple-domain-verification=KBXjiUUxclMm4GkA
- fugek7mlc1kd4cvd8drdi82at6
- google-site-verification=lX8CWA5F6avgnXpuv_hAxQ5L-ZcYccOQlWDUWTNyiP4
- google-site-verification=p3o4AaW5wcxqOG7XLXNll65gZN9QBl_uaBFoeHwFLJg
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com ip4:72.13.211.192 ip4:72.55.214.131 ip4:74.43.30.98 ip4:216.225.35.198 -all
- workplace-domain-verification=28157001-a5c1-4b1a-9845-61c2bd4c0857
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