Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
knox.edu
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 02:09:44 UTC · ↺ Refresh
MX Hostnames
- aspmx2.googlemail.com
- alt2.aspmx.l.google.com
- alt1.aspmx.l.google.com
- aspmx.l.google.com
- aspmx3.googlemail.com
MX Priorities
- aspmx2.googlemail.com: 5
- aspmx.l.google.com: 1
- alt2.aspmx.l.google.com: 2
- alt1.aspmx.l.google.com: 3
- aspmx3.googlemail.com: 4
A / AAAA Records
- 208.115.122.135 ↩ knox.edu
Mail Server IPs
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 142.251.167.27 ↩ ww-in-f27.1e100.net
- 2607:f8b0:4004:c19::1a ↩ bk-in-f26.1e100.net
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
SOA Record
Raw SOA
ns-1673.awsdns-17.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1673.awsdns-17.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-787.awsdns-34.net
ns-1191.awsdns-20.org
ns-1673.awsdns-17.co.uk
ns-250.awsdns-31.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.dynect.net include:_spf.google.com include:technolutions.net include:emailcampaigns.net include:spf-na.exlibrisgroup.com include:cust-spf.cashnet.com include:spf.turbo-smtp.com include:amazonses.com ip4:107.170.253.6 ip4:176.31.145.254 ip4:162.247.132.154 ~all
📊 DNS lookups: 8/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
google._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 237 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
5 records- SPFv=spf1 include:spf.dynect.net include:_spf.google.com include:technolutions.net include:emailcampaigns.net include:spf-na.exlibrisgroup.com include:cust-spf.cashnet.com include:spf.turbo-smtp.com include:amazonses.com ip4:107.170.253.6 ip4:176.31.145.254 ip4:162.247.132.154 ~all
- MS=C6BF0831C32819AE2BB6FA6B1B916A43C1E35686
- adobe-idp-site-verification=3ac7774c6c9d3b7af24c54a335b566687af30c53f15a5ffff050395fc6d4c222
- asv=3d3b98ffd6fb3476682aad5bf2a7e146
- google-site-verification=KHu7_Hd192TviSJyXOSEPutKYkwzGPh3KKJ_YX0GZfI
Full email verification for knox.edu
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