Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gladstone.ucsf.edu
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 09:33:08 UTC · ↺ Refresh
MX Hostnames
- alt2.aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt1.aspmx.l.google.com
MX Priorities
- alt4.aspmx.l.google.com: 10
- aspmx.l.google.com: 1
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 10
A / AAAA Records
- 169.230.76.64 ↩ gdev.ucsf.edu
Mail Server IPs
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
- 142.251.167.26 ↩ ww-in-f26.1e100.net
- 2607:f8b0:4004:c17::1b ↩ bl-in-f27.1e100.net
- 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
SOA Record
Raw SOA
ns01.gladstone.org hostmaster.gladstone.ucsf.edu 2026021801 120 15 604800 10800
Primary NS (mname)
ns01.gladstone.org
Admin Email (rname)
hostmaster@gladstone.ucsf.edu
Serial
2026021801
Refresh
120s
Retry
15s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
ns02.gladstone.org
ns01.gladstone.org
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ip4:216.235.196.0/22 ip4:216.235.200.0/21 ip4:205.139.104.0/22 ip4:206.79.6.0/24 ip4:169.230.76.31 ip4:13.59.77.69 ip4:18.218.127.165 ip4:18.218.197.45 ip4:18.219.45.172 ip4:18.223.193.35 ip4:18.223.204.223 ip4:18.223.222.169 ip4:18.223.222.61 include:_spf.google.com include:servers.mcsv.net include:_spf.psm.knowbe4.com include:sendgrid.net include:fsspfus.freshemail.io ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=s; aspf=s;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
google._domainkey
k1._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
12 records- L2I4ZFYC464AEIC7B2VTZIWE7U454U4ANRLH4ZSAQ
- openai-domain-verification=dv-FyqgHbJZMq6iRNtq5fAjK1bE
- asv=03eba5522dc792c1eaaa41ad4b27dcf1
- slack-domain-verification=XzwvCMgMCP7tMScxPWBjspK6gRBm0JAOmoaBHh3K
- virtru-site-verify=heoCMrGsTHZm7pezesJVPaGHPvL2JR4WeqpFX8jf
- adobe-idp-site-verification=ca240c90ec5a2a5fb5779616253d9fca6e0cbbfbb760835504d636570e5049f1
- parallels-domain-verification=52d205a6b00f4aa8adefd43ca8da5d56ebbeeb983b8a4880b544b9704cfbcd50
- MS=B308E3D36B1616E31CBC2E5F09C70667F598A60A
- apple-domain-verification=Dg46h4Qz6GC4nJfo
- smartsheet-site-validation=YmH1WjtRaBhJlFr5KkPEqICeZS_IgZRb
- SPFv=spf1 mx ip4:216.235.196.0/22 ip4:216.235.200.0/21 ip4:205.139.104.0/22 ip4:206.79.6.0/24 ip4:169.230.76.31 ip4:13.59.77.69 ip4:18.218.127.165 ip4:18.218.197.45 ip4:18.219.45.172 ip4:18.223.193.35 ip4:18.223.204.223 ip4:18.223.222.169 ip4:18.223.222.61 include:_spf.google.com include:servers.mcsv.net include:_spf.psm.knowbe4.com include:sendgrid.net include:fsspfus.freshemail.io ~all
- ZOOM_verify_LHQ-fUJNQLijsHu_tummIQ
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