diff --git a/dnsconfig.js b/dnsconfig.js
index 38eb7a6..0545ff5 100644
--- a/dnsconfig.js
+++ b/dnsconfig.js
@@ -98,7 +98,7 @@ D("tormakris.dev", REG_NONE,
         CNAME('selector1._domainkey','selector1-tormakris-dev._domainkey.tormakristof.onmicrosoft.com.'),
         CNAME('selector2._domainkey','selector2-tormakris-dev._domainkey.tormakristof.onmicrosoft.com.'),
         CNAME('mta-sts','jolly-tree-003905303.4.azurestaticapps.net.'),
-        TXT('@', 'v=spf1 a:152.66.211.42 include:spf.protection.outlook.com -all'),
+        TXT('@', 'v=spf1 ip4:152.66.211.42 include:spf.protection.outlook.com -all'),
         TXT('@', 'google-site-verification=j5a9N2rIead4e3h5baJd1o3xrl7f5n_U82nDfgrZi9I'),
         TXT('@', 'MS=ms71551872'),
         TXT('_dmarc', 'v=DMARC1; p=reject;'),