Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
udallas.edu
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 20:15:27 UTC · ↺ Refresh
MX Hostnames
- aspmx.l.google.com
- aspmx2.googlemail.com
- alt1.aspmx.l.google.com
- alt2.aspmx.l.google.com
MX Priorities
- alt1.aspmx.l.google.com: 20
- alt2.aspmx.l.google.com: 20
- aspmx2.googlemail.com: 30
- aspmx.l.google.com: 10
A / AAAA Records
- 52.73.2.219 ↩ ec2-52-73-2-219.compute-1.amazonaws.com
- 3.209.26.193 ↩ ec2-3-209-26-193.compute-1.amazonaws.com
- 34.236.193.193 ↩ ec2-34-236-193-193.compute-1.amazonaws.com
Mail Server IPs
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 172.253.63.26 ↩ bi-in-f26.1e100.net
- 2607:f8b0:4004:c0b::1a ↩ bj-in-f26.1e100.net
SOA Record
Raw SOA
ns1-05.azure-dns.com root.dns1.udallas.edu 2026022401 1 15 2 120
Primary NS (mname)
ns1-05.azure-dns.com
Admin Email (rname)
root@dns1.udallas.edu
Serial
2026022401
Refresh
1s
Retry
15s
Expire
2s
Minimum TTL
120s
Nameservers (NS)
ns3-05.azure-dns.org
ns4-05.azure-dns.info
ns1-05.azure-dns.com
ns2-05.azure-dns.net
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:52.45.50.190 ip4:169.45.85.112 ip4:169.45.71.27 ip4:199.231.134.73 ip4:3.128.236.80 ip4:3.139.232.78 ip4:3.223.100.88 ip4:34.200.182.36 ip4:54.151.112.86 ip4:50.18.89.44 ip4:54.214.32.131 ip4:52.35.81.117 include:_spf.google.com include:_spf.mailgun.org include:sendgrid.net include:20518287.spf07.hubspotemail.net include:cust-spf.cashnet.com include:spf.elluciancloud.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; aspf=r
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 3 found
google._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
14 records- globalsign-domain-verification=15wkOgdgcATlspx_On1pzYbjY9k6Bc9zipVmTbCWX2
- _globalsign-domain-verification=d4ZyT1r4oZhCQLkLbvT1lCHLSKrhAoNJm2dkX4QE9q
- globalsign-domain-verification=M8aH6BD1AdbUAo_X89OxJZy_JCyRUxlh7Yb-IRDF18
- globalsign-domain-verification=Sj758YWWNVlTKHZv7Uo9cPJm7RF-C0gSxY6LzJLZEH
- google-site-verification=nLAauHHC05ebYEYz_5v7TJIT9WVFCqPWRtlE7--Q85A
- MS=18DE995A44728D73C64EC921A84AA3BD802D5F93
- hn484ohv7fmb2fdgtat0ol7p5r
- globalsign-domain-verification=d4ZyT1r4oZhCQLkLbvT1lCHLSKrhAoNJm2dkX4QE9q
- google-site-verification=HwPOh-Aej51ChHS4f77IDXnaDl1njVBEalDq3Jmi1DM
- globalsign-domain-verification=L7ZLQyBw4flNSsAhdT373phX-MOO8kym42fM-Wd6t2
- brevo-code:3fa49adad9b8b53894c7da4c4e250d23
- docusign=d26b912a-52ae-4247-8cb9-d65d8c50f32a
- SPFv=spf1 ip4:52.45.50.190 ip4:169.45.85.112 ip4:169.45.71.27 ip4:199.231.134.73 ip4:3.128.236.80 ip4:3.139.232.78 ip4:3.223.100.88 ip4:34.200.182.36 ip4:54.151.112.86 ip4:50.18.89.44 ip4:54.214.32.131 ip4:52.35.81.117 include:_spf.google.com include:_spf.mailgun.org include:sendgrid.net include:20518287.spf07.hubspotemail.net include:cust-spf.cashnet.com include:spf.elluciancloud.com include:spf.protection.outlook.com ~all
- MS=ms64194409
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