Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
coburns.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 03:29:34 UTC · ↺ Refresh
MX Hostnames
- usb-smtp-inbound-1.mimecast.com
- usb-smtp-inbound-2.mimecast.com
MX Priorities
- usb-smtp-inbound-1.mimecast.com: 10
- usb-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 172.66.150.66 (no PTR)
- 104.20.45.141 (no PTR)
- 2606:4700:10::6814:2d8d (no PTR)
- 2606:4700:10::ac42:9642 (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
alex.ns.cloudflare.com dns.cloudflare.com 2399156675 10000 2400 604800 1800
Primary NS (mname)
alex.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399156675
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
alex.ns.cloudflare.com
lisa.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spfcf1.coburns.com include:_spfcf2.coburns.com include:_spfcf3.coburns.com include:_spfcf4.coburns.com include:_spfcf5.coburns.com include:_spfcf6.coburns.com mx ip4:98.6.57.98 ip4:98.6.57.100 ip4:12.196.66.58 include:billtrust.com include:_spf.google.com include:spf.hosting.americaneagle.com ~all
📊 DNS lookups: 10/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
11 records- 0ed1fe018aa0ac78e6342746099886370ec7dfb886
- MS=B374A7FD502F570C5290C87FA19C6143BC7986C2
- MS=ms33101089
- _67nfdvqw2xwv1gbjvm4icbmpdujxavk
- _jqrd4yrbvtysmvyzqi13557xy78uww2
- _rtne6b4d0as34iu6fh8wr65t5cz8x9y
- google-site-verification=LuzUbXZ0o6X1xPJfwBzyunN-SopBLSJuHvDUpHmQeJ4
- google-site-verification=q_BBbU5vrShT2wMZaCiPqgjJJ9Npzs4xm6_erTlDJQM
- google-site-verification=y7N8bqymcZC-OLu9J8ovskcmCW6t0uFL0WBgDvb43LA
- DMARCv=DMARC1; p=quarantine; sp=none; ruf=mailto:[email protected]; rf=afrf; pct=100; ri=86400
- SPFv=spf1 include:_spfcf1.coburns.com include:_spfcf2.coburns.com include:_spfcf3.coburns.com include:_spfcf4.coburns.com include:_spfcf5.coburns.com include:_spfcf6.coburns.com mx ip4:98.6.57.98 ip4:98.6.57.100 ip4:12.196.66.58 include:billtrust.com include:_spf.google.com include:spf.hosting.americaneagle.com ~all
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