Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
cidacos.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-23 07:05:13 UTC · ↺ Refresh
MX Hostnames
- cidacos-com.mail.protection.outlook.com
MX Priorities
- cidacos-com.mail.protection.outlook.com: 10
A / AAAA Records
- 185.111.2.245 (no PTR)
Mail Server IPs
- 52.101.185.21 ↩ mail-zrxpr05cu00105.inbound.protection.outlook.com
- 52.101.209.28 ↩ mail-cpjpr05cu00104.inbound.protection.outlook.com
- 52.101.209.31 ↩ mail-cpjpr05cu00207.inbound.protection.outlook.com
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca21::a ↩ mail-maspr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca3c::a ↩ mail-zrxpr07cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca38::8 ↩ mail-wa4pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
SOA Record
Raw SOA
dns3.servidoresdns.net hostmaster.servidoresdns.net 2001103399 21600 3600 2419200 86400
Primary NS (mname)
dns3.servidoresdns.net
Admin Email (rname)
hostmaster@servidoresdns.net
Serial
2001103399
Refresh
21600s
Retry
3600s
Expire
2419200s
Minimum TTL
86400s
Nameservers (NS)
dns3.servidoresdns.net
dns4.servidoresdns.net
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:195.77.225.131 ip4:185.111.2.242 ip4:195.77.194.139 ip4:46.24.173.179 ip4:195.53.46.10 ip4:46.24.176.146 ip4:195.55.111.242 ip4:87.235.171.18 ip4:195.235.227.162 ip4:46.24.173.114 ip4:194.224.182.162 ip4:46.24.176.218 ip4:217.126.172.18 ip4:80.32.117.243 ip4:190.187.118.226 include:spf.protection.outlook.com include:_spf.stampymail.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- apple-domain-verification=lJBqQYR7SEBJDKcG
- google-site-verification=rM8B7nsWm3XoqWkduZxiNy1LKmHDNktXpnOHUztnaeo
- google-site-verification=xJcu3TRtGMlJoj9pHJyZjiVL4-6-ddvvKefdxAueZQA
- SPFv=spf1 mx ip4:195.77.225.131 ip4:185.111.2.242 ip4:195.77.194.139 ip4:46.24.173.179 ip4:195.53.46.10 ip4:46.24.176.146 ip4:195.55.111.242 ip4:87.235.171.18 ip4:195.235.227.162 ip4:46.24.173.114 ip4:194.224.182.162 ip4:46.24.176.218 ip4:217.126.172.18 ip4:80.32.117.243 ip4:190.187.118.226 include:spf.protection.outlook.com include:_spf.stampymail.com -all
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 · Customize →
See demo & docs
Deep verification
Full email verification for cidacos.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits