Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
twentytwentyone.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 00:04:29 UTC · ↺ Refresh
MX Hostnames
- twentytwentyone-com.mail.protection.outlook.com
MX Priorities
- twentytwentyone-com.mail.protection.outlook.com: 0
A / AAAA Records
- 23.227.38.65 ↩ myshopify.com
Mail Server IPs
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
SOA Record
Raw SOA
ns0.phase8.net support.phase8.net 2024011902 28800 3600 604800 86400
Primary NS (mname)
ns0.phase8.net
Admin Email (rname)
support@phase8.net
Serial
2024011902
Refresh
28800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns2.phase8.net
ns0.phase8.net
ns1.phase8.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:80.235.217.74 include:shops.shopify.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; ruf=mailto:[email protected]; 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
3 records- google-site-verification=X7wtTK-XQs47dX1-DZAEthD9W4MXkH6_jWPSvCpwmZQ
- MS=ms88515430
- SPFv=spf1 ip4:80.235.217.74 include:shops.shopify.com include:spf.protection.outlook.com -all
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