Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
adfarmonline.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 17:36:56 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
- adfarmonline-com.mail.protection.outlook.com
MX Priorities
- us-smtp-inbound-1.mimecast.com: 20
- us-smtp-inbound-2.mimecast.com: 20
- adfarmonline-com.mail.protection.outlook.com: 10
A / AAAA Records
- 76.76.21.21
Mail Server IPs
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 2a01:111:f403:f907::1
- 2a01:111:f403:f902::2
- 2a01:111:f403:f909::
- 2a01:111:f403:c902::5
SOA Record
Raw SOA
ns1.systemdns.com hostmaster.systemdns.com 1773843850 10800 3600 1209600 60
Primary NS (mname)
ns1.systemdns.com
Admin Email (rname)
hostmaster@systemdns.com
Serial
1773843850
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
60s
Nameservers (NS)
ns3.systemdns.com
ns1.systemdns.com
ns2.systemdns.com
SPF Record
✓ Strict (-all)
v=spf1 include:us._netblocks.mimecast.com ip4:68.69.237.19 ip4:68.69.237.18 ip4:208.73.5.250 ip4:208.85.52.10 ip4:208.85.52.31 ip4:208.85.52.9 ip4:208.95.135.226 ip4:74.112.70.151 ip4:74.121.51.187 include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
k1._domainkey
✓ DKIM properly configured for selector: k1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- MS=ms97670788
- 0ed1fe018a6b47f086d90c4177862015
- SPFv=spf1 include:us._netblocks.mimecast.com ip4:68.69.237.19 ip4:68.69.237.18 ip4:208.73.5.250 ip4:208.85.52.10 ip4:208.85.52.31 ip4:208.85.52.9 ip4:208.95.135.226 ip4:74.112.70.151 ip4:74.121.51.187 include:spf.protection.outlook.com -all
- knowbe4-site-verification=a45141e6e40a1693cb8936be92b4f813
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 adfarmonline.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits