swift3でError Domain=NSURLErrorDomain

swift3でGoogleアカウント連携を作っています。
コンパイルはできてログイン画面に遷移しますが「Error Domain=NSURLErrorDomain」が発生します。
エラーの詳細は以下となります。
https://play.googleapis.com/logにアクセス時に失敗しているようです。
nscurlでチェックするとTLSv1.2はPASSですがTLSv1.3でエラーとなっています。

どのようにすべきかご意見・アドバイスをお願いします。

2017-12-31 20:05:57.509708+0900 xxx_newi[3068:2186739] NSURLSession/NSURLConnection HTTP load failed (kCFStreamErrorDomainSSL, -9802)
2017-12-31 20:05:57.519975+0900 xxx_newi[3068:2185990] <Firebase/Network/ERROR> Encounter network error. Code, error: -1200, Error Domain=NSURLErrorDomain Code=-1200 "An SSL error has occurred and a secure connection to the server cannot be made." UserInfo={NSLocalizedDescription=An SSL error has occurred and a secure connection to the server cannot be made., NSLocalizedRecoverySuggestion=Would you like to connect to the server anyway?, _kCFStreamErrorCodeKey=-9802, NSErrorFailingURLStringKey=https://play.googleapis.com/log, _kCFStreamErrorDomainKey=3, NSUnderlyingError=0x15dae190 {Error Domain=kCFErrorDomainCFNetwork Code=-1200 "(null)"

nscurl --ats-diagnostics --verbose https://play.googleapis.com/log

Starting ATS Diagnostics

Configuring ATS Info.plist keys and displaying the result of HTTPS loads to https://play.googleapis.com/log.
A test will "PASS" if URLSession:task:didCompleteWithError: returns a nil error.
================================================================================

Default ATS Secure Connection
---
ATS Default Connection
ATS Dictionary:
{
}
Result : PASS
---

================================================================================

Allowing Arbitrary Loads

---
Allow All Loads
ATS Dictionary:
{
    NSAllowsArbitraryLoads = true;
}
Result : PASS
---

================================================================================

Configuring TLS exceptions for play.googleapis.com

---
TLSv1.3
ATS Dictionary:
{
    NSExceptionDomains =     {
        "play.googleapis.com" =         {
            NSExceptionMinimumTLSVersion = "TLSv1.3";
        };
    };
}
2017-12-31 20:11:25.018 nscurl[707:39937] NSURLSession/NSURLConnection HTTP load failed (kCFStreamErrorDomainSSL, -9800)
Result : FAIL
Error : Error Domain=NSURLErrorDomain Code=-1200 "An SSL error has occurred and a secure connection to the server cannot be made." UserInfo={_kCFStreamErrorCodeKey=-9800, NSLocalizedRecoverySuggestion=Would you like to connect to the server anyway?, NSUnderlyingError=0x7fe6b9630880 {Error Domain=kCFErrorDomainCFNetwork Code=-1200 "(null)" UserInfo={_kCFStreamPropertySSLClientCertificateState=0, _kCFNetworkCFStreamSSLErrorOriginalValue=-9800, _kCFStreamErrorDomainKey=3, _kCFStreamErrorCodeKey=-9800}}, NSLocalizedDescription=An SSL error has occurred and a secure connection to the server cannot be made., NSErrorFailingURLKey=https://play.googleapis.com/log, NSErrorFailingURLStringKey=https://play.googleapis.com/log, _kCFStreamErrorDomainKey=3}
---
---
TLSv1.2
ATS Dictionary:
{
    NSExceptionDomains =     {
        "play.googleapis.com" =         {
            NSExceptionMinimumTLSVersion = "TLSv1.2";
        };
    };
}
Result : PASS
---

================================================================================

Configuring TLS exceptions with PFS disabled for play.googleapis.com

---
TLSv1.3 with PFS disabled
ATS Dictionary:
{
    NSExceptionDomains =     {
        "play.googleapis.com" =         {
            NSExceptionMinimumTLSVersion = "TLSv1.3";
            NSExceptionRequiresForwardSecrecy = false;
        };
    };
}
2017-12-31 20:11:31.980 nscurl[707:39937] NSURLSession/NSURLConnection HTTP load failed (kCFStreamErrorDomainSSL, -9800)
Result : FAIL
Error : Error Domain=NSURLErrorDomain Code=-1200 "An SSL error has occurred and a secure connection to the server cannot be made." UserInfo={_kCFStreamErrorCodeKey=-9800, NSLocalizedRecoverySuggestion=Would you like to connect to the server anyway?, NSUnderlyingError=0x7fe6ba047360 {Error Domain=kCFErrorDomainCFNetwork Code=-1200 "(null)" UserInfo={_kCFStreamPropertySSLClientCertificateState=0, _kCFNetworkCFStreamSSLErrorOriginalValue=-9800, _kCFStreamErrorDomainKey=3, _kCFStreamErrorCodeKey=-9800}}, NSLocalizedDescription=An SSL error has occurred and a secure connection to the server cannot be made., NSErrorFailingURLKey=https://play.googleapis.com/log, NSErrorFailingURLStringKey=https://play.googleapis.com/log, _kCFStreamErrorDomainKey=3}
---


================================================================================

Configuring TLS exceptions with PFS disabled and insecure HTTP allowed for play.googleapis.com

---
TLSv1.3 with PFS disabled and insecure HTTP allowed
ATS Dictionary:
{
    NSExceptionDomains =     {
        "play.googleapis.com" =         {
            NSExceptionAllowsInsecureHTTPLoads = true;
            NSExceptionMinimumTLSVersion = "TLSv1.3";
            NSExceptionRequiresForwardSecrecy = false;
        };
    };
}
2017-12-31 20:11:35.863 nscurl[707:39938] NSURLSession/NSURLConnection HTTP load failed (kCFStreamErrorDomainSSL, -9800)
Result : FAIL
Error : Error Domain=NSURLErrorDomain Code=-1200 "An SSL error has occurred and a secure connection to the server cannot be made." UserInfo={_kCFStreamErrorCodeKey=-9800, NSLocalizedRecoverySuggestion=Would you like to connect to the server anyway?, NSUnderlyingError=0x7fe6b94364f0 {Error Domain=kCFErrorDomainCFNetwork Code=-1200 "(null)" UserInfo={_kCFStreamPropertySSLClientCertificateState=0, _kCFNetworkCFStreamSSLErrorOriginalValue=-9800, _kCFStreamErrorDomainKey=3, _kCFStreamErrorCodeKey=-9800}}, NSLocalizedDescription=An SSL error has occurred and a secure connection to the server cannot be made., NSErrorFailingURLKey=https://play.googleapis.com/log, NSErrorFailingURLStringKey=https://play.googleapis.com/log, _kCFStreamErrorDomainKey=3}
---

================================================================================