Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
naperville203.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 05:10:49 UTC · ↺ Refresh
MX Hostnames
- naperville203-org.mail.protection.outlook.com
MX Priorities
- naperville203-org.mail.protection.outlook.com: 20
A / AAAA Records
- 104.17.71.73 (no PTR)
Mail Server IPs
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns13.domaincontrol.com dns.jomax.net 2026012501 28800 7200 604800 3600
Primary NS (mname)
ns13.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026012501
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns13.domaincontrol.com
ns14.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:50.232.195.0/24 ip4:216.125.54.0/24 ip4:69.90.103.215 ip4:66.128.61.69 ip4:206.126.96.178 ip4:149.72.147.186 ip4:167.89.101.239 include:spf.protection.outlook.com include:_spf.bbnotify.net include:spf.gaggle.net include:_spf.google.com include:sendgrid.net include:mg.infinitecampus.org -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ 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- MS=52ACEFB0E23EFD111F8A2EAA744D08E2D4476ACA
- adobe-idp-site-verification=2f6b9d00df55148c2fa420f00ffed8b9bd337ec9004fa7316df798b91a402f76
- apple-domain-verification=Vrdz4O3ewI8cb91o
- google-site-verification=wWqLukpHvmDN1AXfdXKKfJtgj55BwE8a9X6HJM_BS2U
- v=verifydomain MS=3236281
- DctgFIferCpN+lzRLA8QGJbywc+R7RNicPv1Ltkdyeuo6xRMtxX0BCjLBnnstHpWrbMPzMq0vrBEKsKhPW6KvA==
- google-site-verification=8waNsmGQe4FwIyHttiJXAC6nlHwH7Sq3xf-JlQCYADUgoogle-site-verification=8waNsmGQe4FwIyHttiJXAC6nlHwH7Sq3xf-JlQCYADUgoogle-site-verification=8waNsmGQe4FwIyHttiJXAC6nlHwH7Sq3xf-JlQCYADU
- solarwinds-service0desk-verification=f67c8db0b38c98695441f91c005389f4
- google-site-verification=tWIzkWgVAl_V0QSSVFU22hiN5YtPToLEBaUTytmVX50
- duo_sso_verification=DrTwC9gopp3gXOnOGkL85zGIq1r1yYNCEErN5RLp8mM1OiF0ugKO9LsUUQ3WQxkw
- SPFv=spf1 ip4:50.232.195.0/24 ip4:216.125.54.0/24 ip4:69.90.103.215 ip4:66.128.61.69 ip4:206.126.96.178 ip4:149.72.147.186 ip4:167.89.101.239 include:spf.protection.outlook.com include:_spf.bbnotify.net include:spf.gaggle.net include:_spf.google.com include:sendgrid.net include:mg.infinitecampus.org -all
- cisco-ci-domain-verification=6da4ebd1d1c8915b733901ecd4287d6f371a923b88ff2669fbadd77c279994c1
Full email verification for naperville203.org
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