Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tdc-properties.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 16:14:02 UTC · ↺ Refresh
MX Hostnames
- tdcproperties-com0i.mail.protection.outlook.com
MX Priorities
- tdcproperties-com0i.mail.protection.outlook.com: 0
A / AAAA Records
- 209.17.116.163 (no PTR)
Mail Server IPs
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.dnsbycomodo.net admin.dns.com 2026022501 10800 864000 7200 7200
Primary NS (mname)
ns1.dnsbycomodo.net
Admin Email (rname)
admin@dns.com
Serial
2026022501
Refresh
10800s
Retry
864000s
Expire
7200s
Minimum TTL
7200s
Nameservers (NS)
ns1.dnsbycomodo.net
ns2.dnsbycomodo.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:54.203.18.106 ip4:44.240.143.150 ip4:66.60.230.2 ip4:205.220.169.145 include:spf.protection.outlook.com include:spf-a.mycoitracking.com include:spf-us.emailsignatures365.com include:_spf.trustifi.com include:_spf.intacct.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; aspf=r; adkim=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
13 records- apple-domain-verification=4W0YZn19O2Rvl2N5
- apple-domain-verification=GG0Mx2CJLVuRhkHj
- duo_sso_verification=dmx1sA03bxgrjpQRUF4URwcBUn5DOg0xAvJNwquw1UVYcJBQkO6Y38neCXPuRF4w
- ikmd9frell9ilhvaq7hf6qvr3r
- intacct-esk=079FF16541C51E7BE0634106690A0BFE
- openai-domain-verification=dv-tw6DYwCjTiBV5Dj3W5zfDgI6
- SPFv=spf1 ip4:54.203.18.106 ip4:44.240.143.150 ip4:66.60.230.2 ip4:205.220.169.145 include:spf.protection.outlook.com include:spf-a.mycoitracking.com include:spf-us.emailsignatures365.com include:_spf.trustifi.com include:_spf.intacct.com -all
- 173.240.210.0/24
- 173.240.213.0/24
- 204.212.170.10
- 204.212.170.91
- MS=ms42063095
- ZOOM_verify_nmNsRYZkSla1AxHjp4hF1A
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for tdc-properties.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits