Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
geisinger.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 03:48:57 UTC · ↺ Refresh
MX Hostnames
- geisinger-edu.mail.protection.outlook.com
MX Priorities
- geisinger-edu.mail.protection.outlook.com: 0
A / AAAA Records
- 167.86.46.247 (no PTR)
Mail Server IPs
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
SOA Record
Raw SOA
infoblox.geisinger.edu dnsdhcpusers.geisinger.edu 1943 10800 3600 2419200 900
Primary NS (mname)
infoblox.geisinger.edu
Admin Email (rname)
dnsdhcpusers@geisinger.edu
Serial
1943
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
900s
Nameservers (NS)
ns228ext.geisinger.edu
ns65ext.geisinger.edu
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.qualtrics.com a:b.spf.service-now.com a:c.spf.service-now.com a:d.spf.service-now.com include:spf1.geisinger.edu include:spf2.geisinger.edu -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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
17 records- adobe-idp-site-verification=83593bdc3edb582b9397a8da7d73dbea46046c36d12f476b3248e850e98e235f
- ciscocidomainverification=5e6aaf0557cabbeab2dd3a7fdb31544ddadde0f7ec3d119347dd557bdf7c6c5c
- d365mktkey=1mz73m7wlj7mcqmpjonw1c3y3
- 6bzG4kbEFnAEIxWb3IBNn7aq2zNWAC3Y2fPeaRDt/PeA31Kn7MPxaFgOiSKWg3ANRCcgf3i826dOJd/3nGQygA==
- docker-verification=327291b4-fb23-4cde-81c1-7ebe1cd35fca
- adobe-sign-verification=fe83651d96e78e4eb829c16324ad4606
- atlassian-domain-verification=Q/Zn2umg9RICaNhnmmWUsIJ4K2I5uBGPnUgK0aZ89KUjsjcLpFALTnz3NbaP5yz2
- amazonses:h8ox1OSS/vt1nqCRoXC+XstsB45TYfU2RceE0P2CrzE=
- 53F3-1705-C5FE-4B56-7D03-FC68-A601-923A
- google-site-verification=XNskZRRdDm3G4uiTaQro29LybxLvmOAhfAEJJOtiSew
- postman-domain-verification=f160cc22e03efb5c4af427ce6ae0d6443d3f5e6b46631c069f270a4483161a8253612f052100772d5cb1a6b58c590b60223d792e27a5611ffc8b6eb74e7048c9
- 0ed1fe018aeb57c3bbf5c3474ab1dd8107cf2d9735
- 0B6FD1C29C5A640ACBDD1CBFAD827B64C696F66D69D391E1D7CED7FACA9D8870
- apple-domain-verification=8x3y12cSzp2iSQvB
- infoblox-domain-mastery=2c296a4ceb764bf557319a783c2b7b6edb01390bcad58f287de20d1b872ebdb02a
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.qualtrics.com a:b.spf.service-now.com a:c.spf.service-now.com a:d.spf.service-now.com include:spf1.geisinger.edu include:spf2.geisinger.edu -all
- jamf-site-verification=D0yRNWszMPZ5_nk6DDSnfQ
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