Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mavo.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 08:26:38 UTC · ↺ Refresh
MX Hostnames
- usb-smtp-inbound-2.mimecast.com
- usb-smtp-inbound-1.mimecast.com
MX Priorities
- usb-smtp-inbound-1.mimecast.com: 10
- usb-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 162.159.135.42 (no PTR)
Mail Server IPs
- 170.10.150.242 ↩ usb-smtp-delivery-2.mimecast.com
- 170.10.152.242 ↩ usb-smtp-delivery-2.mimecast.com
SOA Record
Raw SOA
ns3.asrc.com hostmaster.asrc.com 43 10800 3600 2419200 900
Primary NS (mname)
ns3.asrc.com
Admin Email (rname)
hostmaster@asrc.com
Serial
43
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
900s
Nameservers (NS)
ns3.asrc.com
ns1.asrc.com
ns2.asrc.com
ns4.asrc.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:relay.kinstamailservice.com include:usb._netblocks.mimecast.com ip4:199.249.161.243 ip4:199.249.161.6 ip4:66.223.229.126 -all
📊 DNS lookups: 3/10
✓ 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- MS=ms46740877
- knowbe4-site-verification=4c38b06977c967dc5ee97e885eca87a8
- dmlld3BvaW50X2F6dXJlX2NvbW1vbg==
- SPFv=spf1 include:spf.protection.outlook.com include:relay.kinstamailservice.com include:usb._netblocks.mimecast.com ip4:199.249.161.243 ip4:199.249.161.6 ip4:66.223.229.126 -all
Full email verification for mavo.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits