krystalbio.com

Valid Email Server
Domain Lookup › krystalbio.com

Domain Overview

DNS: ✓ 2d ago Checker: ✓ 2d ago
krystalbio.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-19 07:22:39 UTC · ↺ Refresh

MX Hostnames

  • mx1-us1.ppe-hosted.com
  • mx2-us1.ppe-hosted.com

MX Priorities

  • mx2-us1.ppe-hosted.com: 20
  • mx1-us1.ppe-hosted.com: 10

A / AAAA Records

  • 141.193.213.20 (no PTR)
  • 141.193.213.21 (no PTR)

Mail Server IPs

  • 67.231.154.163 ↩ mx2-us1.ppe-hosted.com
  • 148.163.129.51 ↩ mx2-us1.ppe-hosted.com
  • 148.163.129.50 ↩ mx1-us1.ppe-hosted.com
  • 67.231.154.162 ↩ mx1-us1.ppe-hosted.com

SOA Record

Raw SOA dns1.cscdns.net hostmaster.cscdns.net 2025051330 28800 7200 604800 600
Primary NS (mname)
dns1.cscdns.net
Admin Email (rname)
hostmaster@cscdns.net
Serial
2025051330
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

dns1.cscdns.net
dns2.cscdns.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf-us.ppe-hosted.com include:_spf.samanage.com include:_spf.salesforce.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

12 records
  • MS=ms39889946
  • 00D3h0000017Iuu=1TBNs00000005Nt
  • 00DEi000008tJTd=1TBEi0000000JsH
  • NETORGFT1473025.onmicrosoft.com
  • 8w80ltkynd82h6srkl8snp2xf784qstk
  • apple-domain-verification=uTfYzxJJmPvsnBHr
  • ppe-64039047434c6b8e395ec678214e878da742a4f2
  • openai-domain-verification=dv-FIduCDjzzmgqH66ebEjU22Od
  • anthropic-domain-verification-c967k1=9fZ8v3WEcfmiNY2X6G6MTlEVN
  • google-site-verification=cidoiAyRglkbQQ-AqKKEkS5EEmXTAMJ13TtWNA2_Y-E
  • solarwinds-service0desk-verification=fa4b31e9cfceb1530016670c13d42907
  • SPFv=spf1 include:spf.protection.outlook.com include:_spf-us.ppe-hosted.com include:_spf.samanage.com include:_spf.salesforce.com -all
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