skirball.org

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
skirball.org
Yes
โœ“ Yes
Outlook
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-03-23 22:50:55 UTC ยท โ†บ Refresh

MX Hostnames

  • skirball-org.mail.protection.outlook.com

MX Priorities

  • skirball-org.mail.protection.outlook.com: 1

A / AAAA Records

  • 54.83.30.211 โ†ฉ ec2-54-83-30-211.compute-1.amazonaws.com

Mail Server IPs

  • 52.101.11.7 โ†ฉ mail-sa9pr04cu00107.inbound.protection.outlook.com
  • 52.101.194.13 โ†ฉ mail-ch0pr04cu00605.inbound.protection.outlook.com
  • 52.101.41.0 โ†ฉ mail-byapr05cu00400.inbound.protection.outlook.com
  • 52.101.8.51 โ†ฉ mail-dm1pr04cu00203.inbound.protection.outlook.com
  • 2a01:111:f403:f913::1 โ†ฉ mail-cy5pr05cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f90f::1 โ†ฉ mail-sa9pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:f90d:: โ†ฉ mail-sn1pr0501cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c946::5 โ†ฉ mail-ch4pr21cu00105.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.calnettech.com caladmin.calnettech.com 2008010239 21600 7200 1209600 180
Primary NS (mname)
ns1.calnettech.com
Admin Email (rname)
caladmin@calnettech.com
Serial
2008010239
Refresh
21600s
Retry
7200s
Expire
1209600s
Minimum TTL
180s

Nameservers (NS)

ns1.calnettech.com
ns3.calnettech.com
ns4.calnettech.com
ns2.calnettech.com
ns5.calnettech.com

SPF Record

โœ“ Strict (-all)
v=spf1 ip4:76.80.90.26 ip4:160.72.26.82 ip4:54.236.128.150 ip4:160.72.26.82 ip4:54.236.109.30 ip4:76.80.90.26 include:outboundmail.blackbaud.net include:spf.protection.outlook.com include:mailgun.org include:amazonses.com -all
๐Ÿ“Š DNS lookups: 4/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ“ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;fo=1
โœ“ Reject โ€” strongest protection
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ“ 2 found
selector1._domainkey
selector2._domainkey
โœ“ Public key: 216 chars (valid)
โœ“ DKIM properly configured for selector: selector1

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

All TXT Records

12 records
  • l5q0oag8p0de5h1gtpdib2sg36
  • ySny55kU0pPT8KSWaNezsjvC1H9ZyCv4Gp741ltQcN95JkdxbHit50FCVnjoNRwGbNjB5i+TNOFmIg5wxwxiDQ==
  • MS=ms22588479
  • docusign=9fdabaef-53b6-446f-b245-4fea80759bb0
  • 6qm4igbncuh072dck6shv7oh4
  • asv=f5da30f11fd23d606df978cfd9d94158
  • SPFv=spf1 ip4:76.80.90.26 ip4:160.72.26.82 ip4:54.236.128.150 ip4:160.72.26.82 ip4:54.236.109.30 ip4:76.80.90.26 include:outboundmail.blackbaud.net include:spf.protection.outlook.com include:mailgun.org include:amazonses.com -all
  • WVAYQYMJGLSHHRB4D0I8MGDY4D9N9QAV0BD2G1PJ
  • ZOOM_verify_g9TgzusTTMykXTW3Xwz9EQ
  • Foxit-domain-verification=89c5f1267b283d156cb7a49353e48ea1
  • cjcotrgu32quprm42odk8a6ns6
  • bj4knvd2jcteu635jpeglsbj9
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