Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
iscential.com
Yes
โ Yes
Outlook
No
No
โ Yes
No
No
Checked via [email protected]
ยท 2026-03-30 17:06:48 UTC ยท โบ Refresh
MX Hostnames
- iscential-com.mail.protection.outlook.com
MX Priorities
- iscential-com.mail.protection.outlook.com: 0
A / AAAA Records
- 172.66.149.223 (no PTR)
- 104.20.38.17 (no PTR)
- 2606:4700:10::ac42:95df
- 2606:4700:10::6814:2611
Mail Server IPs
- 52.101.41.56 โฉ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 52.101.194.12 โฉ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 52.101.10.16 โฉ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 52.101.50.7 โฉ mail-co1pr21cu00207.inbound.protection.outlook.com
- 2a01:111:f403:c936:: โฉ mail-cy1pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 โฉ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f901:: โฉ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 โฉ mail-sj2pr05cu00505.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.iscential.com dns.cloudflare.com 2399728554 10000 2400 604800 1800
Primary NS (mname)
ns1.iscential.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399728554
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ns4.iscential.com
ns1.iscential.com
ns2.iscential.com
ns3.iscential.com
SPF Record
โ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:spf.smarsh.com include:spf.emailsignatures365.com -all
๐ DNS lookups: 4/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
โ Reject
v=DMARC1; p=reject; sp=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=r; aspf=r; ri=86400; fo=1; pct=100
โ Reject โ strongest protection
๐ SPF alignment: Relaxed
ยท DKIM alignment: Relaxed
๐ง Reports โ mailto:[email protected]
โณ Subdomain policy: none
DKIM Selectors
โ 3 found
selector1._domainkey
selector2._domainkey
k1._domainkey
โ Public key: 216 chars (valid)
โ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- google-site-verification=w2sRmaGdzsYZII50OHR9UitBonPKskY6phulN5OiUk8
- have-i-been-pwned-verification=3ce43a34117fc7f63a592b9531556ac9
- openai-domain-verification=dv-DirfMqqHkQCvib1xSJSGLN5M
- twilio-domain-verification=658ad575810825413adcdbfd61325463
- SPFv=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:spf.smarsh.com include:spf.emailsignatures365.com -all
- canva-site-verification=GxxDIwZbeuLVWdr7m1UQMA
- facebook-domain-verification=159hbejxa03wh1snnzy4g35aqbm2sy
- google-site-verification=3ud3QC6Cmwv9x7kyKRL-6e37vd9Zq5TVuzD8AF2mVmM
Free ยท No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts โ unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for iscential.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits