Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gelsons.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 00:02:45 UTC · ↺ Refresh
MX Hostnames
- gelsons-com.mail.protection.outlook.com
MX Priorities
- gelsons-com.mail.protection.outlook.com: 10
A / AAAA Records
- 216.150.1.1 (no PTR)
- 76.76.21.21 (no PTR)
Mail Server IPs
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns47.worldnic.com namehost.worldnic.com 126020912 10800 3600 604800 3600
Primary NS (mname)
ns47.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126020912
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns48.worldnic.com
ns47.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:spf_c.oraclecloud.com include:rp.oracleemaildelivery.com include:spf.mandrillapp.com include:sendgrid.net include:spf.foodstorm.com ip4:64.68.190.8/32 ip4:199.193.227.49/28 ip4:47.176.69.209/28 ip4:129.152.47.20/32 ip4:160.34.15.16/29 ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=none;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
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
5 records- google-site-verification=nzyNaVJhnUMrj50LF4cKqFmtzPF2lyw6Vi8fKlQhs1I
- cisco-ci-domain-verification=5d378a84b5e939e60c0a6516446b1b495d142b3335e73afb82000a23b43babf2
- SPFv=spf1 include:spf.protection.outlook.com include:spf_c.oraclecloud.com include:rp.oracleemaildelivery.com include:spf.mandrillapp.com include:sendgrid.net include:spf.foodstorm.com ip4:64.68.190.8/32 ip4:199.193.227.49/28 ip4:47.176.69.209/28 ip4:129.152.47.20/32 ip4:160.34.15.16/29 ~all
- apple-domain-verification=lhbcmmHHcSbFxBLG
- MS=ms73096693
Full email verification for gelsons.com
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