Domain Overview
DNS: ✓ 4h ago
Checker: ✓ 4h ago
ctag.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-20 22:21:05 UTC · ↺ Refresh
MX Hostnames
- mail.ctag.com
- ctag-com.mail.protection.outlook.com
MX Priorities
- mail.ctag.com: 30
- ctag-com.mail.protection.outlook.com: 1
A / AAAA Records
- 213.32.109.112
Mail Server IPs
- 52.96.88.114 (no PTR)
- 52.96.109.146 (no PTR)
- 52.96.111.98 (no PTR)
- 52.96.109.242 (no PTR)
- 2603:1036:302:48b4::2 (no PTR)
- 2603:1036:302:4845::2 (no PTR)
- 2603:1036:207:459::2 (no PTR)
- 2603:1036:302:4835::2 (no PTR)
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 52.101.68.12
- 52.101.73.26
- 2a01:111:f403:ca09::20
- 2a01:111:f403:ca04::1
- 2a01:111:f403:ca09::1
- 2a01:111:f403:ca04::d
SOA Record
Raw SOA
dns7.servidoresdns.net hostmaster.servidoresdns.net 2002102301 21600 3600 2419200 86400
Primary NS (mname)
dns7.servidoresdns.net
Admin Email (rname)
hostmaster@servidoresdns.net
Serial
2002102301
Refresh
21600s
Retry
3600s
Expire
2419200s
Minimum TTL
86400s
Nameservers (NS)
dns8.servidoresdns.net
dns7.servidoresdns.net
SPF Record
✓ Strict (-all)
v=spf1 mx ptr include:ticaas.net include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
~ 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: 392 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- SPFv=spf1 mx ptr include:ticaas.net include:spf.protection.outlook.com -all
- MS=ms77304410
- amazonses:09fdkGYJewnz2p7oe6YENV1f0Do3hD9yuToEUnKqgmU=
- google-site-verification=mM4-XFKbag1DJivPuNsWCapXBc8L4YKJZ323Ckdu2qU
Full email verification for ctag.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits