Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ultrabox.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 23:40:35 UTC · ↺ Refresh
MX Hostnames
- ultrabox-com.mail.protection.outlook.com
MX Priorities
- ultrabox-com.mail.protection.outlook.com: 0
A / AAAA Records
- 172.202.9.65 (no PTR)
Mail Server IPs
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.linode.com jkormy.gmail.com 2021000286 14400 14400 1209600 86400
Primary NS (mname)
ns1.linode.com
Admin Email (rname)
jkormy@gmail.com
Serial
2021000286
Refresh
14400s
Retry
14400s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.linode.com
ns5.linode.com
ns4.linode.com
ns3.linode.com
ns2.linode.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:spf1.masivapp.com include:_spf.us.sendclean.net include:sendgrid.net include:amazonses.com include:spf.brevo.com include:sparkpostmail.com ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; fo=0:d:s; pct=100; aspf=r; adkim=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 3 found
mail._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 67 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- ms41129039
- google-site-verification=YB43Qeu0YURnLPcTs3n27lTxiX_-_lRgtQrD0BnU7B8
- amazonses:14Twe63Ip4dtc1ZDbVmKV1Sk+q1zkQMRhwhVH2AN6CM=
- SPFv=spf1 include:spf.protection.outlook.com include:spf1.masivapp.com include:_spf.us.sendclean.net include:sendgrid.net include:amazonses.com include:spf.brevo.com include:sparkpostmail.com ~all
- ahrefs-site-verification_a9672ad7976dee4f58a17d1257b33b3cb8bc65a9ec4527f137df23088b0fc069
- ms23429005
- brevo-code:66cc7037e3e829f81462a829670efd7a
- google-site-verification=X8mGvZUObml502sXuoWHRqFpl57-guQBX2xOGmypcks
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