Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
backto30.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 21:40:51 UTC · ↺ Refresh
MX Hostnames
- backto30-com.mail.protection.outlook.com
MX Priorities
- backto30-com.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.21 (no PTR)
- 141.193.213.20 (no PTR)
Mail Server IPs
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
SOA Record
Raw SOA
cora.ns.cloudflare.com dns.cloudflare.com 2396734322 10000 2400 604800 1800
Primary NS (mname)
cora.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396734322
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
gordon.ns.cloudflare.com
cora.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx ip4:192.142.170.76 ip4:192.142.170.4 include:mailgun.org include:e2ma.net include:spf.protection.outlook.com include:243076641.spf02.hubspotemail.net ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
6 records- sophos-domain-verification=b0c79cc82b9493ae6ac7004b7b0e94db019241c9bf3e29482a8d46780b4c7304
- spf2.0/pra mx ip4:192.142.170.76 ip4:192.142.170.4 include:mailgun.org include:e2ma.net ~all
- SPFv=spf1 +a +mx ip4:192.142.170.76 ip4:192.142.170.4 include:mailgun.org include:e2ma.net include:spf.protection.outlook.com include:243076641.spf02.hubspotemail.net ~all
- MS=ms49093767
- apple-domain-verification=zUwkVH2TPKMIRn6c
- google-site-verification=-KsEk2Kk8bXIjy7kpMP9Zed_2-m5ofjAm37GxzmrAzU
Full email verification for backto30.com
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