Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
koerber.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 07:34:37 UTC · ↺ Refresh
MX Hostnames
- mxa-0054b501.gslb.pphosted.com
- mxb-0054b501.gslb.pphosted.com
MX Priorities
- mxb-0054b501.gslb.pphosted.com: 10
- mxa-0054b501.gslb.pphosted.com: 10
A / AAAA Records
- 64.239.109.1 (no PTR)
Mail Server IPs
- 185.183.30.231 ↩ mx08-0054b501.pphosted.com
- 185.132.183.191 ↩ mx07-0054b501.pphosted.com
SOA Record
Raw SOA
ns-318.awsdns-39.com awsdns-hostmaster.koerber.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-318.awsdns-39.com
Admin Email (rname)
awsdns-hostmaster@koerber.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1033.awsdns-01.org
ns-1581.awsdns-05.co.uk
ns-318.awsdns-39.com
ns-817.awsdns-38.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected],mailto:[email protected]; rf=afrf; ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
28 records- autodesk-domain-verification=dU7LV1bbanFx3EwU5PFj
- 4b6061ee1f904a27961f8e972135808f
- 28967a3625384b58b9d91e0a09a297e7
- brevo-code:b008df35d688602053e54a9ef1117fa6
- docusign=a1fdfa88-fdb9-4b6a-8673-d6dc7ca6684e
- include: mxb-0054b501.gslb.pphosted.com
- teamviewer-sso-verification=3cd8e33c1ff14aa0a5c61649102b32df
- qlwhv9p31gw87bwrsbfzlv9k8blpp5px
- 201811231149164z8b3aswx0waq1xck6y0e3bzncih2nkgh2m7suaqizx5m49vqd
- atlassian-domain-verification=ZpPjtYJIpBSmXBkOAGam9MjMLIwf8Of06ewCLs3obdV7Tc/2Bc2MM7F3TAr9VQFQ
- knowbe4-site-verification=605a1f28c61f6c952e996cbb77d31ba6
- zoho-verification=zb98517299.zmverify.zoho.com
- docusign=4afe92d8-fbd7-4b5f-a606-ec9ecd55b0a7
- google-site-verification=duGSkZpDLqQW-m_QP1gCGEKtDrwCOfvV5HcJVwDus3s
- zendeskverification.koerber.com=7aca9b3687e9cfc9
- infoblox-domain-mastery=765a433974ffa3dbcf121f9e8080e934c05a173673cfe3c88e5a50d9d18d8c3164
- k029hv6lbs7vm8v4gxfnv5l1g5l0599w
- 1password-site-verification=QEXRARO4SNG6FIAQZKBVDJL4YM
- apple-domain-verification=CZjDmNwedBjIJeZD
- 2mddk0dcg6jjzv2k4j452jmh2g8mhm6h
- /t6WjV8qxpOn8QZMKUDABhDKB+LLMis0I6NdIguFAkVd8DqehfP+JoOtuDj1aoziFw3aJOfW3Pdxs38tKVm1Nw==
- include:servers.mcsv.net
- successfactors-site-verification=ZjJiNzBiMTA4MDAzZDEwYjA4ZDdhNTM3OGNlYTI3NzM4OGMzMTg1MDdjMzhmYzJkOGZkZTVlOGQyNDlkYjk4Zg==
- AS2TrustedDomains=*.koerber.com
- atlassian-sending-domain-verification=87367b0b-cb49-4ce0-97d1-882d280481df
- MS=ms61097957
- SPFv=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
- 3cc670d752504ef582f24f4a1cd6f89c
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