Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
aptonline.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 04:36:38 UTC · ↺ Refresh
MX Hostnames
- aptonline-org.mail.protection.outlook.com
MX Priorities
- aptonline-org.mail.protection.outlook.com: 1
A / AAAA Records
- 142.44.97.172 (no PTR)
Mail Server IPs
- 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns20.digicertdns.com dns.digicertdns.com 2009015919 43200 3600 1209600 180
Primary NS (mname)
ns20.digicertdns.com
Admin Email (rname)
dns@digicertdns.com
Serial
2009015919
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns14.dnsmadeeasy.com
ns15.dnsmadeeasy.com
ns10.dnsmadeeasy.com
ns12.dnsmadeeasy.com
ns13.dnsmadeeasy.com
ns11.dnsmadeeasy.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.snwlhosted.com include:spf.constantcontact.com include:spf.protection.outlook.com ip4:142.44.97.162 include:mail.zendesk.com include:servers.mcsv.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
7 records- google-site-verification=yzSmQORwKj7bCUdsNMExeAM6BzdlwNUlukNigyOnu48
- amazon-business-verification=0b57fbdd57090e60e7c268dc60623a8f831536d40a9fb0c5cd45bf59608f87cf
- anthropic-domain-verification-rtv82w=G7uscyvcOkS6QBVx3BtHnkMmq
- google-site-verification=vSYW_WHQQpoG0IX6O8R3FwVBg6MRvvDHCbo0hRbxw2U
- google-site-verification=dSwfHFvVhcV-ZEHNhrJXBZHlXgzmhpHipSorRMImj5A
- MS=0217424751E9146766EE628B0B970DD14CAEF1FF
- SPFv=spf1 include:_spf.snwlhosted.com include:spf.constantcontact.com include:spf.protection.outlook.com ip4:142.44.97.162 include:mail.zendesk.com include:servers.mcsv.net -all
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