Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
questcdn.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 12:56:09 UTC · ↺ Refresh
MX Hostnames
- questcdn-com.mail.protection.outlook.com
MX Priorities
- questcdn-com.mail.protection.outlook.com: 0
A / AAAA Records
- 13.59.88.90 ↩ ec2-13-59-88-90.us-east-2.compute.amazonaws.com
Mail Server IPs
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-384.awsdns-48.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-384.awsdns-48.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1577.awsdns-05.co.uk
ns-384.awsdns-48.com
ns-900.awsdns-48.net
ns-1356.awsdns-41.org
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:22725270.spf03.hubspotemail.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
4 records- MS=ms28704135
- atlassian-domain-verification=nTu+YFZxdrA1j2BPMwJurB5EGjIBX1ATQTwDhew+Sl7Ks3PIuOHCWsnoGg3ZqPaT
- knowbe4-site-verification=e5fbc3cd2c5633b92048eb525bf610c0
- SPFv=spf1 include:spf.protection.outlook.com include:22725270.spf03.hubspotemail.net -all
Full email verification for questcdn.com
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