Domain Overview
DNS: ✓ 7h ago
Checker: ✓ 7h ago
ultra1plus.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-07-02 11:10:24 UTC · ↺ Refresh
MX Hostnames
- ultra1plus-com.mail.protection.outlook.com
MX Priorities
- ultra1plus-com.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.133.73 (no PTR)
- 104.21.5.103 (no PTR)
- 2606:4700:3030::6815:567
- 2606:4700:3035::ac43:8549
Mail Server IPs
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
karl.ns.cloudflare.com dns.cloudflare.com 2407275560 10000 2400 604800 1800
Primary NS (mname)
karl.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2407275560
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
karl.ns.cloudflare.com
priscilla.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 +ip4:45.56.79.157 +include:relay.mailchannels.net +include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- SPFv=spf1 +ip4:45.56.79.157 +include:relay.mailchannels.net +include:spf.protection.outlook.com -all
- MS=ms63584732
- google-site-verification=5CN4TITmw9PmVlmTyesnDmXp1hf_22HyGCWFQK5wxEg
- google-site-verification=5Pj6t7bOEF9KQSy8bb21j5sgMuyAjIitrCq0AIDz-uQ
- klaviyo-site-verification=Wj767A
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