Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
denvergov.org
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 13:18:57 UTC · ↺ Refresh
MX Hostnames
- mxa-00322801.gslb.pphosted.com
- mxb-00322801.gslb.pphosted.com
MX Priorities
- mxb-00322801.gslb.pphosted.com: 0
- mxa-00322801.gslb.pphosted.com: 0
A / AAAA Records
- 169.133.10.100 (no PTR)
Mail Server IPs
- 148.163.141.12 ↩ mx0b-00322801.pphosted.com
- 148.163.145.12 ↩ mx0a-00322801.pphosted.com
SOA Record
Raw SOA
ns-1533.awsdns-63.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1533.awsdns-63.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1950.awsdns-51.co.uk
ns-257.awsdns-32.com
ns-713.awsdns-25.net
ns-1533.awsdns-63.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 6 found
selector1._domainkey
selector2._domainkey
default._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
25 records- _pki-validation.denvergov.org=DC57-5B6B-1A0E-15E6-8824-5C76-E16A-BDB8
- docker-verification=829544d1-e967-4175-9958-6c5352f37e2c
- onetrust-domain-verification=0a0420817e6f4522957f2b82dbc68b8c
- _betterimpact-rewrite-sender
- docusign=b9a51c76-2e58-4e5c-a77e-2ecd04f99d99
- Dynatrace-site-verification=5586802f-ae9a-4189-9f74-86655bea9a20__hmu125cfuv1op2ognk0qq03nf
- asv=e7a7b450cbba4b824193360ec44e9a22
- ciscocidomainverification=ffe423545a7f1757515ba65e7faa8258921b75ec1f8cdeb06a2999561b03cdd
- intersight=2cc377b69677a57221c4f7e5e0c30031dc0057f77ef4d39f534523cfc3c40b30
- google-site-verification=zhMUwf6gTJv3uIEJBIExco0Zb9Pj72ZSJj6qDwqr4Bw
- nearmap-domain-verification=4796a00e5f602f3a80e2598e75664105c6b0c5cfa8a20883038cc74bfae4aebc
- airtable-verification=2b72497adb278ec25e93a969a6a170bf
- facebook-domain-verification=dl5nf5pgvslyypplk5vnp0u8qt0nn6
- ecostruxure-it-verification=2275ec53-fe53-4791-98b6-df00e0c4cb2c
- MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDKPMXo4zN9mLKtAPYrJSoY5n3S1S063K+r5jgD0Dvww7PE76XVJIdC9gJLivHudS1PxXAoGeJpbpX/6cwnj1NFpXfdCipqEOidTnyZmpCuHlcV/JX/Y20e3FDyHMj7k4xzgTNeNbodghCShWNN2Omu+29dTdNsUHBvvwjTm/Cw1QIDAQAB
- docusign=b02bc9cc-1a77-457e-ac33-0911fc7d42e7
- D8Y+R9rCi0KFzl+rUc3Oy3jTjfrsG48QciAYVy1YDqL8ppC0WIFqLZxXkf7X8dpfzKS9VVY+d9D+4mVjTPtncg==
- google-site-verification=rKdDqDVScQkAK2NC4G0WpBXzqZ10wz4n4M0-Z-kL9s0
- bf47c0f7-a0f4-4a44-b1c9-169abd33e7ca
- duo_sso_verification=8kr74b3OQnz1uDHlpGJyacMhRQP8wK1Jp5mTppT90Yyob50N6M6FMtxzva99pTaG
- adobe-idp-site-verification=bfbc71bf04e8eac80ae7d461950fe8259369e2830054795144cd6618d2dbb5ff
- box-domain-verification=73673031c14f1be09492c0a5152059beba14bf14ed62ca2f3f68d2b1ad21f4ce
- SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
- vmware-cloud-verification-9fb52f99-1d2a-431e-8f9f-f606bbf6c052
- smartsheet-site-validation=k0_2c2zQzu1hlkVwJ8USrHYEtJoy5Jz-
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