Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number: 3 (0x3)
        Signature Algorithm: ecdsa-with-SHA256
        Issuer: 
        Validity
            Not Before: Dec 10 00:00:00 2018 GMT
            Not After : Dec 11 00:00:00 2018 GMT
        Subject: 
        Subject Public Key Info:
            Public Key Algorithm: id-ecPublicKey
                Public-Key: (256 bit)
                pub:
                    04:bc:bf:25:6c:b7:dd:83:33:f3:ad:77:46:36:e4:
                    bd:52:57:27:99:57:d5:e4:1a:a6:37:ab:f1:50:2a:
                    ca:aa:fe:c6:e5:47:5a:5c:8b:cb:1e:93:9c:5d:bf:
                    66:1c:2a:18:0a:ee:b5:ba:fc:14:31:b1:88:83:62:
                    23:20:ca:62:db
                ASN1 OID: prime256v1
                NIST CURVE: P-256
        X509v3 extensions:
            X509v3 Subject Alternative Name: 
                DNS:this.has_underscores.test
    Signature Algorithm: ecdsa-with-SHA256
         30:45:02:20:68:41:10:bf:a4:32:85:70:3c:2c:35:00:83:fd:
         07:33:1a:00:6b:59:bf:df:cf:86:c7:cd:11:93:ff:97:5e:6f:
         02:21:00:d3:fe:77:c3:b5:cf:64:bc:eb:30:65:bf:c1:a6:f4:
         61:89:cb:e2:c0:7e:9c:b4:87:db:88:61:78:7d:e6:dd:5e
-----BEGIN CERTIFICATE-----
MIIBFjCBvaADAgECAgEDMAoGCCqGSM49BAMCMAAwHhcNMTgxMjEwMDAwMDAwWhcN
MTgxMjExMDAwMDAwWjAAMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEvL8lbLfd
gzPzrXdGNuS9UlcnmVfV5BqmN6vxUCrKqv7G5UdaXIvLHpOcXb9mHCoYCu61uvwU
MbGIg2IjIMpi26MoMCYwJAYDVR0RBB0wG4IZdGhpcy5oYXNfdW5kZXJzY29yZXMu
dGVzdDAKBggqhkjOPQQDAgNIADBFAiBoQRC/pDKFcDwsNQCD/QczGgBrWb/fz4bH
zRGT/5debwIhANP+d8O1z2S86zBlv8Gm9GGJy+LAfpy0h9uIYXh95t1e
-----END CERTIFICATE-----
