Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
harlowton.k12.mt.us
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 18:51:47 UTC · ↺ Refresh
MX Hostnames
- alt1.aspmx.l.google.com
- aspmx.l.google.com
- aspmx3.googlemail.com
- alt2.aspmx.l.google.com
- aspmx2.googlemail.com
MX Priorities
- aspmx.l.google.com: 10
- aspmx3.googlemail.com: 50
- alt2.aspmx.l.google.com: 30
- aspmx2.googlemail.com: 40
- alt1.aspmx.l.google.com: 20
A / AAAA Records
- 34.238.178.141 ↩ ec2-34-238-178-141.compute-1.amazonaws.com
Mail Server IPs
- 192.178.155.27 ↩ yuiadrs-in-f27.1e100.net
- 2607:f8b0:4004:c09::1a ↩ bh-in-f26.1e100.net
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
SOA Record
Raw SOA
cudess1.umt.edu dns-request.umt.edu 2025050801 21600 900 1209600 86400
Primary NS (mname)
cudess1.umt.edu
Admin Email (rname)
dns-request@umt.edu
Serial
2025050801
Refresh
21600s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
cudess2.umt.edu
ens-o1.umt.edu
cudess1.umt.edu
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:72.255.167.124 ip4:72.255.174.110 ip4:72.255.166.132 ip4:72.255.168.215 ip4:72.255.166.233 include:_spf.google.com include:mg.infinitecampus.org include:sendgrid.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate 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
✓ 3 found
google._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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
1 record- SPFv=spf1 ip4:72.255.167.124 ip4:72.255.174.110 ip4:72.255.166.132 ip4:72.255.168.215 ip4:72.255.166.233 include:_spf.google.com include:mg.infinitecampus.org include:sendgrid.net ~all
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