Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gsa.gov
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-17 18:36:55 UTC · ↺ Refresh
MX Hostnames
- alt3.aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx.l.google.com
- alt1.aspmx.l.google.com
MX Priorities
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- alt2.aspmx.l.google.com: 5
- alt1.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
A / AAAA Records
- 23.22.13.113
- 2600:1f18:f88:4313:6df7:f986:f915:78d6
Mail Server IPs
- 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-f27.1e100.net
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 142.251.163.27 ↩ wv-in-f27.1e100.net
- 2607:f8b0:4004:c07::1b ↩ bc-in-f27.1e100.net
SOA Record
Raw SOA
dns.gsa.gov hostmaster.gsa.gov 792429124 3600 180 1209600 3600
Primary NS (mname)
dns.gsa.gov
Admin Email (rname)
hostmaster@gsa.gov
Serial
792429124
Refresh
3600s
Retry
180s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
dns3.gsa.gov
dns5.gsa.gov
dns2.gsa.gov
dns.gsa.gov
dns4.gsa.gov
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf_a0.gsa.gov include:spf_a1.gsa.gov include:spf_a2.gsa.gov include:spf_a3.gsa.gov ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; fo=1; ri=86400; rua=mailto:[email protected], mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected], mailto:[email protected]
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
26 records- mongodb-site-verification=CzhLKr4OAzreXpHBbawUlSmfDifmuWc1
- _4pfesgfj8b7lm7k40p5oy1y9c8s88fa
- docusign=6f6dab46-2129-4700-bcc2-4be235fe5aff
- amazonses:nvZjWRLWNEaQIGC6ol8XEJa7lrt7INEu2jUWId7r0J8=
- atlassian-sending-domain-verification=e954f878-7df6-4ee3-8ac9-ee19a1c2313b
- mongodb-site-verification=EqZXwkmCFUWN8QEautFYXdCqXV6HH3Ox
- airtable-verification=e6bb1631f52c503b7a3701046ed7af9b
- d3nv1z3w6h7vef.cloudfront.net
- atlassian-domain-verification=mCilJyOCl8iDKRaaRyLEWIDAFdy9cbTRnpIZHoYyHGHDPfFNo1alS/h5VVt63UaW
- docker-verification=b87e77d3-0821-4993-87f8-2dad0f313ed3
- MS=ms26417977
- SPFv=spf1 include:spf_a0.gsa.gov include:spf_a1.gsa.gov include:spf_a2.gsa.gov include:spf_a3.gsa.gov ~all
- google-site-verification=-Yfs3oCZ4rPr5BMX8tRANSV7anmxMrHQdjVTsXEs3hI
- webexdomainverification.7Q711=c9959908-c26f-4865-8fc7-1792b83294ab
- google-site-verification=fyO5fRlizCOUL6drs0QADUV1J8JHq09DYpoUVMXu5VI
- smartsheet-gov-site-validation=n83lQJsr87UvaVx95hZfV7JDrREq891h
- amazonses:VpDldJ0Y17bUz5N4BLA9tuxzm/5CaAJjTwSrhS/1yiE=
- figma-domain-verification=92ef70a8bfe22d77050cd6d3a3fb0671e21c82984fb63729f6b9498ebae94524-1727453243
- amazonses:WroIovKkM+OAxfzL9xYOXM46pksrcS266o23tVoM86M=
- MS=ms74458519
- docusign=72fc694f-0f63-46e4-b089-e0c8171c4139
- apple-domain-verification=amOa5lUwKVdgvUFn
- google-site-verification=VcCceMeA2ZU7w_aEbQxO6sRlhMMgjjkULRiYjMO_IkY
- google-site-verification=hCDz_TYLNfL0TB3q_SoYaXaHl6TlJdbXfYQyAItdDBE
- MS=ms52409976
- MS=ms26706564
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