Postfix smtpd

220 ns.protopmail.com ESMTP Postfix (Ubuntu)
250-ns.protopmail.com
250-PIPELINING
250-SIZE 10240000
250-VRFY
250-ETRN
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            a7:37:5d:eb:bf:c7:c4:ae
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: CN=ns.protopmail.com
        Validity
            Not Before: Jul 28 15:13:54 2017 GMT
            Not After : Jul 26 15:13:54 2027 GMT
        Subject: CN=ns.protopmail.com
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:c9:1a:86:9d:38:af:6a:56:dd:85:6b:14:2f:dc:
                    aa:ea:1a:00:02:93:b5:e7:bb:19:6f:e8:b7:ae:24:
                    88:2d:6b:c9:dc:62:aa:01:67:9d:f3:5a:e8:c5:46:
                    bb:ef:85:58:02:41:1c:53:0e:b0:e6:ef:1e:d2:f3:
                    f0:99:b0:f3:6e:d3:35:06:8d:35:64:cf:a8:30:d4:
                    3a:64:4c:79:ca:7c:a3:95:bc:f8:d3:a6:be:e3:21:
                    51:1f:ff:fa:fc:a1:be:6c:d6:b0:f3:6c:65:c0:9d:
                    33:22:73:d7:a1:c5:c2:35:8b:81:66:56:47:13:70:
                    01:19:a0:78:f5:5c:c1:7c:74:e8:14:b3:4f:e1:68:
                    0c:db:82:2b:9a:56:64:ca:3e:06:93:b5:a8:24:8f:
                    aa:ed:d7:0e:d0:fa:d8:69:6b:a9:d5:57:d0:c4:06:
                    01:b9:e8:da:a4:de:80:c3:7f:2a:c2:02:11:03:33:
                    32:1d:d8:74:0b:8e:97:b4:58:54:2a:51:8e:89:ea:
                    d4:b2:38:32:27:81:9d:50:09:ba:04:71:a9:ed:1e:
                    76:29:9b:60:e8:0c:62:50:53:a1:58:2d:ca:de:09:
                    b1:a7:06:d9:42:2d:7d:0b:43:8a:93:5f:1b:27:ef:
                    1f:3b:45:a5:92:e5:42:64:b0:53:14:64:52:45:b7:
                    cf:4f
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Basic Constraints: 
                CA:FALSE
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        55:64:ba:2a:b7:36:45:19:29:e5:56:f2:72:f2:40:7b:cc:59:
        c0:b4:35:2c:64:e1:58:a1:eb:20:bd:1a:31:44:b1:4f:5b:73:
        22:c6:41:10:63:3a:a4:8d:fa:aa:6d:59:c6:a8:8d:f0:15:8f:
        72:1f:22:3b:d6:ca:b0:3b:e8:be:1c:04:e7:f7:c0:81:be:bf:
        63:af:b8:16:da:0e:3d:35:1b:2a:73:5c:5b:81:e9:24:67:08:
        e4:aa:0b:05:c8:43:4e:50:b1:6d:78:08:eb:a3:2b:24:47:da:
        36:68:e2:62:4d:23:88:3f:83:83:8d:34:93:42:b8:98:28:b6:
        46:23:e7:e8:a9:63:a9:25:12:ad:4c:03:21:9d:57:fd:48:65:
        6d:86:49:67:c4:69:9f:75:02:fe:c8:5a:41:59:10:8d:b7:7b:
        19:b3:22:f9:6e:82:e3:c2:5a:44:38:74:b6:c7:aa:4c:2e:ee:
        a4:05:fe:4d:05:b5:a6:35:6d:bf:f7:4e:ec:3b:76:f8:a8:7d:
        1a:0d:29:46:d2:dd:84:3b:ea:d9:4a:f9:3c:f5:79:9e:5c:da:
        f3:8e:ab:88:55:dd:f4:47:10:2e:22:ef:54:c6:2f:e9:6a:90:
        a9:32:62:61:33:66:dd:ff:f5:17:67:78:96:6a:7c:89:7b:40:
        a5:1f:04:08

9.10.3-P4-Ubuntu
Resolver name: ns

9.10.3-P4-Ubuntu
Resolver name: ns

NTP
protocolversion: 3
stratum: 3
leap: 0
precision: -24
rootdelay: 0.0023193359375
rootdisp: 0.0165557861328
refid: 1409429011
reftime: 3945360739.31
poll: 3