Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
flatironsfs.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 20:22:43 UTC · ↺ Refresh
MX Hostnames
- flatironsfs-com.mail.protection.outlook.com
MX Priorities
- flatironsfs-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.199.118.247 ↩ 247.118.199.104.bc.googleusercontent.com
Mail Server IPs
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
SOA Record
Raw SOA
dns101.register.com root.register.com 126012815 10800 3600 604800 3600
Primary NS (mname)
dns101.register.com
Admin Email (rname)
root@register.com
Serial
126012815
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns101.register.com
dns102.register.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:50.169.200.218 include:_spf_uswest2.prod.hydra.sophos.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 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
5 records- SPFv=spf1 ip4:50.169.200.218 include:_spf_uswest2.prod.hydra.sophos.com include:spf.protection.outlook.com -all
- google-site-verification=QPQbZkuFvVp7xMndVn8_CWE52trBUpvHtG5KP7cNqRc
- vam30t62e9n64lm8hkdvkei50u
- sophos-domain-verification=01537387620ee84eb36c6ef5776eca6f347b03d35ae88bed09081e2eb674d501
- MS=ms40751203
Full email verification for flatironsfs.com
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