Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
grr.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 05:55:56 UTC · ↺ Refresh
MX Hostnames
- grr-org.mail.protection.outlook.com
MX Priorities
- grr-org.mail.protection.outlook.com: 10
A / AAAA Records
- 104.21.40.126 (no PTR)
- 172.67.151.168 (no PTR)
- 2606:4700:3031::ac43:97a8
- 2606:4700:3036::6815:287e
Mail Server IPs
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
duke.ns.cloudflare.com dns.cloudflare.com 2399707902 10000 2400 604800 1800
Primary NS (mname)
duke.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399707902
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
duke.ns.cloudflare.com
eleanor.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:50.201.129.74 ip4:205.251.178.75 include:spf.protection.outlook.com include:spf.US.exclaimer.net include:_spf.intacct.com include:4984492.spf02.hubspotemail.net -all
📊 DNS lookups: 5/10
✓ 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
14 records- SPFv=spf1 mx ip4:50.201.129.74 ip4:205.251.178.75 include:spf.protection.outlook.com include:spf.US.exclaimer.net include:_spf.intacct.com include:4984492.spf02.hubspotemail.net -all
- 12903A4758020852E06399068D0A5915
- JFU7I3N32MB1P6DB53HQ27UIF5
- MS=ms96699139
- XwOl8IY88Juh2pkfEJcM31UJLAwHDuVMSf7kG0wQwxR6pu2wzcoQFeuq0ok8ktDbRKz7WhKiqctjrn5oLYvq9g==
- adobe-idp-site-verification=c15dedb7bb5ca7dfbdc2922dc1d75112ab9a7297cf4a09133000cd1bda974044
- apple-domain-verification=UyMnJqvvOE3PUewa
- b8lsd8gnol9gjln2vatlsi066i
- docusign=bfdaec8c-1033-40e0-bd3e-aa96ba051530
- duo_sso_verification=mkXXnhlMoBJCwCfqrDtjnTt96uJKsV3UfIBVgjlWQyFOXOIRs8UNQz80JVp5Ttr7
- google-site-verification=NMg5xxACmXaopPkmJQyYJqmSS1HG0t-WThA3PHQE2-E
- intacct-esk=12903A4758020852E06399068D0A5915
- lra797sf801a9597d0vpusl7hj
- smartsheet-site-validation=MvB1G3k28mEDZ_C8B9gdgYGn87K_hJrg
Full email verification for grr.org
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