Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
perimeter.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 05:13:02 UTC · ↺ Refresh
MX Hostnames
- perimeter-org.mail.protection.outlook.com
MX Priorities
- perimeter-org.mail.protection.outlook.com: 10
A / AAAA Records
- 162.159.134.42 (no PTR)
Mail Server IPs
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1035.awsdns-01.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1035.awsdns-01.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-204.awsdns-25.com
ns-531.awsdns-02.net
ns-1035.awsdns-01.org
ns-1723.awsdns-23.co.uk
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ip4:66.193.80.0/24 ip4:50.205.103.65 ip4:50.205.32.62 ip4:3.222.0.24/29 include:spf.protection.outlook.com include:spf.us.exclaimer.net include:servers.mcsv.net include:_spf.intacct.com include:sendgrid.net ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._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
6 records- google-site-verification=k4MQtJRlD1IHiOaj822d39hndKrVq12hXdp1aFVJH90
- SPFv=spf1 mx ip4:66.193.80.0/24 ip4:50.205.103.65 ip4:50.205.32.62 ip4:3.222.0.24/29 include:spf.protection.outlook.com include:spf.us.exclaimer.net include:servers.mcsv.net include:_spf.intacct.com include:sendgrid.net ~all
- MS=ms36786713
- anthropic-domain-verification-c1xffp=6A4zhGXtnItGnbsaljygpyaF5
- apple-domain-verification=j0RNmKwJQNGaqvPF
- canva-site-verification=1sd3IE-OEcgigio-tDlDnA
Full email verification for perimeter.org
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