derbysoft.net

Valid Email Server
Domain Lookup › derbysoft.net
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
derbysoft.net
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-04 19:29:20 UTC · ↺ Refresh

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MX Hostnames

  • mxa-0028b701.gslb.pphosted.com
  • mxb-0028b701.gslb.pphosted.com

MX Priorities

  • mxa-0028b701.gslb.pphosted.com: 10
  • mxb-0028b701.gslb.pphosted.com: 10

A / AAAA Records

  • 100.20.151.9 ↩ ec2-100-20-151-9.us-west-2.compute.amazonaws.com
  • 54.71.147.199 ↩ ec2-54-71-147-199.us-west-2.compute.amazonaws.com

Mail Server IPs

  • 67.231.148.87 ↩ mx0a-0028b701.pphosted.com
  • 67.231.156.158 ↩ mx0b-0028b701.pphosted.com

SOA Record

Raw SOA ns-664.awsdns-19.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-664.awsdns-19.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-317.awsdns-39.com
ns-664.awsdns-19.net
ns-1485.awsdns-57.org
ns-1913.awsdns-47.co.uk

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:spf-0028b701.pphosted.com include:21231492.spf03.hubspotemail.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; fo=s; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 1 found
google._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

12 records
  • atlassian-sending-domain-verification=a0e74d9f-23f7-4b2e-8f4f-aad23afda10e
  • cisco-ci-domain-verification=19c51864307f17b9427e1ff12b6807a82463c792336044affa77c6183bb4ee83
  • docusign=49b4c39d-e40e-4933-8241-481d74785fe8
  • google-site-verification=DjobMm-ZMqyL-HNGRfuxMGNR6F76VX8q8JlAj1WvMcA
  • google-site-verification=spkrisdsu-9anP-4wmB-45b6ElNfv2Tj-5bowbHxDiY
  • openai-domain-verification=dv-jyWHgmNIBVTKQkt3cHkT0ez2
  • twilio-domain-verification=8b5ad62d70441e9abb5960fcb58a7603
  • DKIMv=DKIM1;k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCqQoSV8lfdLVU8Au5QuNbLRcPMjCi2UqIrCkuTpeoWp8zDBpl3Ohc/TLKsF+1DNIeZ39Gd4lXCGxmyrQbOX+EoUnmh5KX+NRiCcOpzuXoM5YP1F3d2+j/jA12XoqxQ988CyloQrfmZnSWhhX7u64LQ5JJFRG2RVSXKX2EFhr9m7QIDAQAB
  • SPFv=spf1 include:_spf.google.com include:spf-0028b701.pphosted.com include:21231492.spf03.hubspotemail.net ~all
  • MS=ms73228278
  • apple-domain-verification=o04HKYSC6HgnT1pt
  • atlassian-domain-verification=srS6xh5NOfwxgNzbCxQK9X14ja7FFD290dxrMfcTSI2J3bTGTgaP2fc6h85FlSft
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