Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
polson.k12.mt.us
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 07:26:09 UTC · ↺ Refresh
MX Hostnames
- alt4.aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt1.aspmx.l.google.com
- aspmx.l.google.com
MX Priorities
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt4.aspmx.l.google.com: 10
- alt3.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
A / AAAA Records
- 107.20.149.85
Mail Server IPs
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 142.251.167.27 ↩ ww-in-f27.1e100.net
- 2607:f8b0:4004:c17::1b ↩ bl-in-f27.1e100.net
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
SOA Record
Raw SOA
ns100.digicertdns.com ceslick.polson.k12.mt.us 775 7200 600 1209600 7200
Primary NS (mname)
ns100.digicertdns.com
Admin Email (rname)
ceslick@polson.k12.mt.us
Serial
775
Refresh
7200s
Retry
600s
Expire
1209600s
Minimum TTL
7200s
Nameservers (NS)
ns100.digicertdns.com
ns102.digicertdns.com
ns101.digicertdns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:65.144.56.243 ip4:65.144.56.244 ip4:64.190.19.13 ip4:64.190.19.14 include:_spf.google.com include:spf.protection.outlook.com include:spf_target.brightarrow.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; aspf=r; adkim=r; rua=mailto:[email protected],mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 2 found
google._domainkey
dkim._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
8 records- Ex+DUJg6m84MUuE67SZELsOyNI4VKJlJPHY139nsFqheIXtY8CLwovHDeFgZgTGP3d3OhvXqLGrAEtsvVceEMA==
- ft3m6z38q85937c7wh1nvz9ptqfyw4jm
- b7480e1998d58357230f3c197e9ea7
- _93ei6rv8kswgncb046k9ek7sa7hzndi
- _ophuhgk6ohyiedfsqarkf6yji41huq9
- google-site-verification=iys5NgowBQVwwWrCHrEko_6m8ySPC1DSR2LfBtbpzIk
- google-site-verification=tIBS1OlJ-4lUPRvoDDagy2KR32jwhXat2yKkb_4izgA
- SPFv=spf1 ip4:65.144.56.243 ip4:65.144.56.244 ip4:64.190.19.13 ip4:64.190.19.14 include:_spf.google.com include:spf.protection.outlook.com include:spf_target.brightarrow.com ~all
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