Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
opinionlab.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 21:55:47 UTC · ↺ Refresh
MX Hostnames
- opinionlab-com.mail.protection.outlook.com
MX Priorities
- opinionlab-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.17.48.19 (no PTR)
- 104.17.49.19 (no PTR)
Mail Server IPs
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
dilbert.ns.cloudflare.com dns.cloudflare.com 2398836016 10000 2400 604800 1800
Primary NS (mname)
dilbert.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398836016
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
tani.ns.cloudflare.com
dilbert.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:mailgun.org include:amazonses.com include:stspg-customer.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
selector1._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
6 records- SPFv=spf1 include:spf.protection.outlook.com include:mailgun.org include:amazonses.com include:stspg-customer.com ~all
- MS=ms23738879 include:mailgun.org
- cbqnk1kx5fw5l9879bjqc283nclj1fng
- duo_sso_verification=qF3wZK336QdFkQBw2s0Tb1J8kzF118zkxYiSmbMrKD0rcSnx5pPMsn73WQB7BP2s
- mgverify=22f8b7f24741238e35371778b811df22bcbe31d6375ab12f36f5199ec15f25ce
- status-page-domain-verification=39vvwj82ykqb
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