Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mhc-tn.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 06:08:54 UTC · ↺ Refresh
MX Hostnames
- mhctn-org0i.mail.protection.outlook.com
MX Priorities
- mhctn-org0i.mail.protection.outlook.com: 0
A / AAAA Records
- 162.159.135.42 (no PTR)
Mail Server IPs
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.dnsbycomodo.net admin.dns.com 2025110701 10800 864000 7200 7200
Primary NS (mname)
ns1.dnsbycomodo.net
Admin Email (rname)
admin@dns.com
Serial
2025110701
Refresh
10800s
Retry
864000s
Expire
7200s
Minimum TTL
7200s
Nameservers (NS)
ns2.dnsbycomodo.net
ns1.dnsbycomodo.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:208.86.168.7 ip4:135.84.68.123 ip4:206.152.14.54 include:usb._netblocks.mimecast.com include:spf.happyfox.com include:48732452.spf03.hubspotemail.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]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
11 records- MS=CB2F5D68481A37FDE53D2F0120E79B9CDACC2053
- MS=ms45267896
- apple-domain-verification=KTWPKdZFwcgfJn3x
- ayUTJlGJooMgom2GyqosxMh+EWYXXMVRE5/WDw8bzteFKIQX3ekgBYhqHYZBWMmLRTmpWP4Q7LIV8dLz+/ZmOw==
- b0u3d8787obmaj919255tvmqqj
- google-site-verification=E2-vS14MlF8-ZAgCH3FVaiNK8Ku9kTXOiha_oSOiJps
- SPFv=spf1 ip4:208.86.168.7 ip4:135.84.68.123 ip4:206.152.14.54 include:usb._netblocks.mimecast.com include:spf.happyfox.com include:48732452.spf03.hubspotemail.net include:spf.protection.outlook.com -all
- 0ed1fe018a630650b5ccdc44f988ebe77181860e24
- 48732452.spf03.hubspotemail.net
- 6n2mhg2k952v0rgcvjfn2g55fi
- 93cnm282gbvl3l9e11ogkurhdt
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 mhc-tn.org
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits