Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
co.teller.co.us
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 23:42:06 UTC · ↺ Refresh
MX Hostnames
- co-teller-co-us.mail.protection.outlook.com
MX Priorities
- co-teller-co-us.mail.protection.outlook.com: 20
A / AAAA Records
- 207.38.78.95 (no PTR)
Mail Server IPs
- 52.101.11.12 ↩ mail-sa9pr09cu00104.inbound.protection.outlook.com
- 52.101.8.50 ↩ mail-dm6pr09cu00202.inbound.protection.outlook.com
- 52.101.8.52 ↩ mail-ds0pr09cu00104.inbound.protection.outlook.com
- 52.101.9.19 ↩ mail-blapr09cu00103.inbound.protection.outlook.com
- 2a01:111:f403:f904:: ↩ mail-dm6pr09cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f90e::1 ↩ mail-sa9pr09cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f904::1 ↩ mail-ds0pr09cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f900::1 ↩ mail-blapr09cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns.integraonline.com hostmaster.integraonline.com 2008081201 2800 7200 604800 7200
Primary NS (mname)
ns.integraonline.com
Admin Email (rname)
hostmaster@integraonline.com
Serial
2008081201
Refresh
2800s
Retry
7200s
Expire
604800s
Minimum TTL
7200s
Nameservers (NS)
ns2.integraonline.com
ns.integraonline.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- google-site-verification=ZqpLL55axSZl-ySovcYqDDDZONB1P3XqH9jdPU-1WsU
- cr6imgrglkjm8okt28lclubafp
- SPFv=spf1 include:spf.protection.outlook.com -all
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