Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
supercool.ac
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 12:22:37 UTC · ↺ Refresh
MX Hostnames
- supercool-ac.mail.protection.outlook.com
MX Priorities
- supercool-ac.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.21.203 (no PTR)
- 172.67.200.81 (no PTR)
- 2606:4700:3031::ac43:c851
- 2606:4700:3033::6815:15cb
Mail Server IPs
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
dale.ns.cloudflare.com dns.cloudflare.com 2397253702 10000 2400 604800 1800
Primary NS (mname)
dale.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397253702
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
dale.ns.cloudflare.com
fay.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:192.185.4.100 ip4:184.173.239.119 a include:spf.protection.outlook.com ~all include:mailgun.org ~all include:21497623.spf04.hubspotemail.net ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
default._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- ca3-f657d0df39a240119a58469f84f0696b
- google-site-verification=7SC939G59NYBLrWiAwDCrDUIF16apg6YO2p-erYGDUo
- SPFv=spf1 ip4:192.185.4.100 ip4:184.173.239.119 a include:spf.protection.outlook.com ~all include:mailgun.org ~all include:21497623.spf04.hubspotemail.net ~all
- MS=E8CD63AA92ABA65A225DC4C83AAC84C37F54DEBD
Full email verification for supercool.ac
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