Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
davenport.edu
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 16:12:36 UTC · ↺ Refresh
MX Hostnames
- aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt4.aspmx.l.google.com
MX Priorities
- alt3.aspmx.l.google.com: 30
- alt4.aspmx.l.google.com: 30
- alt1.aspmx.l.google.com: 20
- aspmx.l.google.com: 10
- alt2.aspmx.l.google.com: 20
A / AAAA Records
- 66.202.198.46
Mail Server IPs
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 172.253.62.26 ↩ bc-in-f26.1e100.net
- 2607:f8b0:400d:c01::1b ↩ qo-in-f27.1e100.net
- 64.233.178.26 ↩ ol-in-f26.1e100.net
- 2607:f8b0:4020:c07::1a ↩ lcyulk-in-f26.1e100.net
SOA Record
Raw SOA
ns20.digicertdns.com dns.digicertdns.com 2009016076 43200 3600 1209600 180
Primary NS (mname)
ns20.digicertdns.com
Admin Email (rname)
dns@digicertdns.com
Serial
2009016076
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
dns3.merit.net
ns10.dnsmadeeasy.com
ns1.ussignalcom.net
ns14.dnsmadeeasy.com
ns15.dnsmadeeasy.com
ns12.dnsmadeeasy.com
dns2.merit.net
ns11.dnsmadeeasy.com
ns2.ussignalcom.net
ns13.dnsmadeeasy.com
dns1.merit.net
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.davenport.edu include:mh.blackboard.com include:_spf.google.com include:_spf.salesforce.com include:et._spf.pardot.com include:_spf.messagegears.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=quarantine;adkim=r;aspf=r;pct=100;ri=86400;rua=mailto:[email protected], mailto:[email protected], mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected], mailto:[email protected], mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 6 found
google._domainkey
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._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
15 records- cisco-ci-domain-verification=5eaba7a1e70d18cdc4ae053003559f2fa70ee804c7b49fc7a35a03fd65809135
- pardot848213=712859c4f38cb65d12090d96a95aabed00d5fa261b00f9933dffe0a877cd1039
- facebook-domain-verification=vlypqakza8hhu8hkhudficovafn5el
- SPFv=spf1 include:_spf.davenport.edu include:mh.blackboard.com include:_spf.google.com include:_spf.salesforce.com include:et._spf.pardot.com include:_spf.messagegears.net -all
- sending_domain848213=5d350a914ffa2cc7cf78c4bdf16b5e2bd5cf862b9d59f97bd5201af1c8fc8539
- MS=6F1A463C5EBFE53E57B627254E6538787BD9407D
- duo_sso_verification=8QEwdOftpbIK3gEkJifFtbjLsuXkF5ytfIZ3nsyklnhs0sNW7UjVgkWEJmsbHwkW
- google-site-verification=OEk-oFu_NHnRh-4HD7wPVeNfxoWvJhepNMaNj6C6Z1c
- MS=ms77595946
- DirectFedAuthUrl=davenport.edu
- mosyle-verification-304210075
- google-site-verification=HI_M2J4jc53Y5yDuK2-jkHF25OWNVpVl2ut2onbQPSo
- anthropic-domain-verification-n8xd5x=rkIWhZAOtWD3OyTlNfLNq2bcw
- so1l5f9gr32div8mro9b3ba28e
- google-site-verification=KdG5Dr-BpztB8IopR9Tvzsv9iZqVpYUO3HMGMZwoxfs
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