Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number: 3 (0x3)
        Signature Algorithm: ecdsa-with-SHA256
        Issuer: 
        Validity
            Not Before: Dec 11 00:00:00 2018 GMT
            Not After : Nov 30 00:00:00 9998 GMT
        Subject: 
        Subject Public Key Info:
            Public Key Algorithm: id-ecPublicKey
                Public-Key: (256 bit)
                pub:
                    04:96:45:bc:f4:b0:e4:f5:4a:77:d2:24:e3:f4:5a:
                    5f:39:b8:ba:23:a3:d4:a2:76:18:c9:3c:01:68:bb:
                    ae:bc:f8:4a:79:c3:a6:fb:cc:54:e4:a0:02:d6:c9:
                    fb:00:db:c2:69:d8:d9:e3:9b:a2:37:de:74:eb:a4:
                    84:c9:ba:c9:0e
                ASN1 OID: prime256v1
                NIST CURVE: P-256
        X509v3 extensions:
            X509v3 Subject Alternative Name:
                DNS:with.an_underscore.test
    Signature Algorithm: ecdsa-with-SHA256
         30:46:02:21:00:d9:2c:0f:46:97:2b:b6:b1:41:b4:f7:72:a8:
         19:21:24:02:43:a2:72:a2:d1:af:50:c7:ee:d8:6f:29:66:61:
         b6:02:21:00:e6:bf:4d:3f:99:fd:3e:d9:38:1d:ce:b1:c9:83:
         d9:e4:04:8c:91:56:0d:78:ca:b8:35:b7:a7:0e:27:a9:c4:7a
-----BEGIN CERTIFICATE-----
MIIBFzCBvaADAgECAgEDMAoGCCqGSM49BAMCMAAwIBcNMTgxMjExMDAwMDAwWhgP
OTk5ODExMzAwMDAwMDBaMAAwWTATBgcqhkjOPQIBBggqhkjOPQMBBwNCAASWRbz0
sOT1SnfSJOP0Wl85uLojo9SidhjJPAFou668+Ep5w6b7zFTkoALWyfsA28Jp2Nnj
m6I33nTrpITJuskOoyYwJDAiBgNVHREEGzAZghd3aXRoLmFuX3VuZGVyc2NvcmUu
dGVzdDAKBggqhkjOPQQDAgNJADBGAiEA2SwPRpcrtrFBtPdyqBkhJAJDonKi0a9Q
x+7YbylmYbYCIQDmv00/mf0+2TgdzrHJg9nkBIyRVg14yrg1t6cOJ6nEeg==
-----END CERTIFICATE-----
