cdc.gov

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago

Domain

cdc.gov

Valid Email Server

Yes

Has MX Records

✓ Yes

Email Provider

Unknown

Disposable

Free Provider

Role Account

⚠ Yes

Email Relay

Privacy Protected

Did you mean: [email protected]

Checked via [email protected] · 2026-03-27 06:19:30 UTC · ↺ Refresh

MX Hostnames

alt2.us.etp.fireeyegov.com
alt1.us.etp.fireeyegov.com
primary.us.etp.fireeyegov.com
alt3.us.etp.fireeyegov.com

MX Priorities

alt2.us.etp.fireeyegov.com: 30
alt1.us.etp.fireeyegov.com: 20
alt3.us.etp.fireeyegov.com: 40
primary.us.etp.fireeyegov.com: 10

A / AAAA Records

23.48.224.113 ↩ a23-48-224-113.deploy.static.akamaitechnologies.com
23.48.224.104 ↩ a23-48-224-104.deploy.static.akamaitechnologies.com
2600:141b:1c00:16::17c4:327 ↩ g2600-141b-1c00-0016-0000-0000-17c4-0327.deploy.static.akamaitechnologies.com
2600:141b:1c00:16::17c4:317 ↩ g2600-141b-1c00-0016-0000-0000-17c4-0317.deploy.static.akamaitechnologies.com

Mail Server IPs

15.200.32.4 ↩ mta-pswhniu.email.us.etp.fireeyegov.com
15.200.32.5 ↩ mta-k1cz7zl.email.us.etp.fireeyegov.com
15.200.32.6 ↩ mta-hfpw1ne.email.us.etp.fireeyegov.com

SOA Record

                  Raw SOA
                  a1-43.akam.net hostmaster.cdc.gov 746129238 10800 3600 604800 3600                

Primary NS (mname)

a1-43.akam.net

Admin Email (rname)

hostmaster@cdc.gov

Serial

746129238

Refresh

10800s

Retry

3600s

Expire

604800s

Minimum TTL

3600s

Nameservers (NS)

                      a5-66.akam.net                    

                      a2-64.akam.net                    

                      a28-65.akam.net                    

                      a1-43.akam.net                    

                      a9-64.akam.net                    

                      a8-67.akam.net                    

SPF Record

✓ Strict (-all)

                    v=spf1 ip4:51.5.72.0/24 ip4:172.81.81.38 ip4:51.4.72.0/24 ip4:51.5.80.0/27 ip4:51.4.80.0/27 ip4:172.81.81.50 ip4:172.81.82.50 ip4:63.123.152.4 ip4:40.92.0.0/15 ip4:172.81.82.79 ip4:172.81.80.64 ip4:172.81.81.39 ip4:172.81.82.87 ip4:172.81.82.88 ip4:155.95.96.50 ip4:155.95.86.50 ip4:23.90.98.102 ip4:124.17.27.36 ip4:149.72.0.0/16 ip4:198.21.0.0/21 ip4:50.31.32.0/19 ip4:167.89.0.0/17 ip4:68.232.140.57 ip4:68.232.140.79 include:_s0.cdc.gov -all                  

📊 DNS lookups: 1/10

✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject

                    v=DMARC1; p=reject; fo=1; ri=3600; 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

✓ 5 found

                      selector1._domainkey
                    

                      selector2._domainkey
                    

                      k1._domainkey
                    

                      s1._domainkey
                    

                      s2._domainkey
                    

✓ Public key: 392 chars (valid)

✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

24 records

_v0e31vq52ru6qgumyh95pylxoe5kmby
google-gws-recovery-domain-verification=42225222
_bthbaxy8p6mr5c0o5r7pit3d25lgztb
google-site-verification=qZbBdujV5kZQv_pCqV2wpfSU25odH35HQukm5ACyLNs
MS=ms84056562
geneious.com:domain-verification=DP8tae0qCr-FH6KGRvMwWA
adobe-idp-site-verification=4089552e88740d878b0400d184ab01c0b7391e6dc85796732000450e3476fc93
dtm-domain-verification=KQ1rIgUP8GpiV9mSmysS40YKtHjVrI0VF938cuCAWXQ
apple-domain-verification=VOKePKhT9MhX9zmq
openai-domain-verification=dv-hbgCCuVm9CpZSVXjvFPfivD5
SPFv=spf1 ip4:51.5.72.0/24 ip4:172.81.81.38 ip4:51.4.72.0/24 ip4:51.5.80.0/27 ip4:51.4.80.0/27 ip4:172.81.81.50 ip4:172.81.82.50 ip4:63.123.152.4 ip4:40.92.0.0/15 ip4:172.81.82.79 ip4:172.81.80.64 ip4:172.81.81.39 ip4:172.81.82.87 ip4:172.81.82.88 ip4:155.95.96.50 ip4:155.95.86.50 ip4:23.90.98.102 ip4:124.17.27.36 ip4:149.72.0.0/16 ip4:198.21.0.0/21 ip4:50.31.32.0/19 ip4:167.89.0.0/17 ip4:68.232.140.57 ip4:68.232.140.79 include:_s0.cdc.gov -all
268BC041572123F15C5566E5F3D88675FABCC028427B501AE228CA9BB31630D5
_mhpeli9n9zj3rasw6wfiuch30t2sjlw
v4ixju/hXVFXszYswwinkbStpHoDb361lQekI6rkjQ2DV4HHKdN/FJPvMAO88x1rTaRwf29UYwPAq6LqldNWZQ==
identrust_validate=B/Pm/IvNx8tLDDFRsJXBs+oweQGmx08QZ6xK0IvBQn3R
google-site-verification=GkbnFA_aF3RXaZOC3deEsrGqs0fmTXyys2hbIn1nVcM
amazonses:OhxI8Nxovqf1xBmhK5S9kNk7vo9XV4GmGe6LVc+ji80=
4FF7-1931-E8C2-912B-94CF-BCB0-806A-7442
atlassian-sending-domain-verification=f2ef9649-6a78-47f6-9990-44a295ae5b5a
_ddb344bjip99et71u5cidtx1t53ezdl
ZOOM_verify_yEK5MgTwT72nP5URz-eoaA
atlassian-sending-domain-verification=977cbfcd-c314-42dc-9d86-32e2abca00ac
atlassian-domain-verification=qjHCJ33pyZHmggxdcFDtGiegrc/iLSyVUIG0LAu1g7XW1JnMdaY8G8pbMUY1Z4hm
google-site-verification=nZIK8Rc0sw4MxlgnsYseSBTdcyDXeLFR6P5FIAbgSEM

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