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Setting image through SdWebImage gives “Error code=-1003” and using CFNetwork Diagnostics log "Err(-65554)"

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    [cell.i_imageView 
sd_setImageWithURL:[NSURL URLWithString: item.imageUrl] 
    placeholderImage:[UIImage imageNamed:@"no-image"] 
    options: SDWebImageRefreshCached 
    completed:^(UIImage * _Nullable image, NSError * _Nullable error, SDImageCacheType cacheType, NSURL * _Nullable imageURL) {
           if(!image)
               NSLog(@"image not loaded %@", error.description);
In most cases the image loads fine, but sometimes in SDwebimage's completion handler when it fails, it gives these error messages "Error code=-1003" and upon using CFNetwork Diagnostics log it gives "Err(-65554)".
After much research I have found out it's a DNS-related issue and have tested this theory out by using the following methods,
Use VPN on an actual device
Disconnect the WIFI and use Cellular data
To these aforementioned techniques the images reloads again, but I can't be betting on both these above mentioned methods while shipping the product, so any NSURLSession calls, SdWebImage methods that I might missing here that solves the problem, or maybe a way to turn cellular data on for these specific URLs
                -1003 is NSURLErrorCannotFindHost error. Common error when there is no internet connection.
– Cy-4AH
                Sep 19, 2019 at 15:54
Turns out it was an issue of using cooperate Wifi ISP which had these reservations with some URLs that were been test, only thing that was needed -- reconnect to new different Wifi or use cellular.
It was never related to SDWebimage
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