Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gresham.k12.or.us
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 17:27:39 UTC · ↺ Refresh
MX Hostnames
- aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx4.googlemail.com
- aspmx2.googlemail.com
- aspmx5.googlemail.com
- alt1.aspmx.l.google.com
- aspmx3.googlemail.com
MX Priorities
- aspmx2.googlemail.com: 10
- aspmx3.googlemail.com: 10
- aspmx4.googlemail.com: 10
- aspmx5.googlemail.com: 10
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
A / AAAA Records
- 104.17.71.73 (no PTR)
Mail Server IPs
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-x1b.1e100.net
SOA Record
Raw SOA
ns-137.awsdns-17.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-137.awsdns-17.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1176.awsdns-19.org
ns-137.awsdns-17.com
ns-1650.awsdns-14.co.uk
ns-892.awsdns-47.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:208.40.195.130 include:_spf.google.com include:_spf.psm.knowbe4.com include:_spf.cascadetech.org include:spf.protection.outlook.com include:e2ma.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; pct=100; adkim=r; aspf=r;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
google._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
9 records- google-site-verification=sh_V7AevVIiDdCMnemxuI_zPyajYUxbswY2yULPGow8
- SPFv=spf1 ip4:208.40.195.130 include:_spf.google.com include:_spf.psm.knowbe4.com include:_spf.cascadetech.org include:spf.protection.outlook.com include:e2ma.net -all
- 2fcfc32a92d04f4081cd45150365b16c
- MS=EFA53696405AC41AACE5B8FC88D0B4DD6C5D2681
- MS=ms30325641
- apple-domain-verification=HR6QY81sOGaQLt3d
- autodesk-domain-verification=Zxt7zTvfXDHua8mTaB2z
- dkkftgcxjp26fck3gq8j79bh5gkwcsw4
- e2ma-verification=ht2bb
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