SSL Checker
Submit the Hostname and Port in the fields below. This checker supports SNI and STARTTLS.
Report
It's all good. We have not detected any issues.
| Hostname: | done Matches Common Name or/and SAN |
| Expired: | done No (86 days till expiration) |
| Public Key: | done We were unable to find any issues in the public key of end-entity certificate |
| Trusted: | done Yes, we were able to verify the certificate |
| Self-Signed: | done No, the end-entity certificate is not self-signed |
| Chain Issues: | done No, we were unable to detect any issues in the certificate chain sent by the server |
| Weak signatures: | done No, certificates sent by the server were not signed utilizing a weak hash function |
| OCSP Status: | done OCSP Responder returned "good" status for the end-entity certificate |
DNS Information
| Resolves To: | 129.164.179.22 |
| Reverse IP lookup: | antwrp.gsfc.nasa.gov. |
| Nameserver: | a1-32.akam.net. |
| Nameserver: | a8-66.akam.net. |
| Nameserver: | a9-64.akam.net. |
| Nameserver: | a12-64.akam.net. |
| Nameserver: | a14-67.akam.net. |
| Nameserver: | a5-66.akam.net. |
General Information
| Common Name: | asd.gsfc.nasa.gov |
| SANs: | DNS:antwrp.gsfc.nasa.govDNS:apod.gsfc.nasa.govDNS:apod.nasa.govDNS:asd.gsfc.nasa.govDNS:cor.gsfc.nasa.govDNS:epact2.gsfc.nasa.govDNS:fits.gsfc.nasa.govDNS:gcn.gsfc.nasa.govDNS:hires.gsfc.nasa.govDNS:jwst.gsfc.nasa.govDNS:jwst.nasa.govDNS:lhea.gsfc.nasa.govDNS:lheawww.gsfc.nasa.govDNS:lisa.gsfc.nasa.govDNS:lisa.nasa.govDNS:map.gsfc.nasa.govDNS:ngst.gsfc.nasa.govDNS:ngst.nasa.govDNS:pcos.gsfc.nasa.govDNS:phonon.gsfc.nasa.govDNS:scicolloq.gsfc.nasa.govDNS:si.gsfc.nasa.govDNS:universe.gsfc.nasa.govDNS:webb.nasa.govDNS:wfc3.gsfc.nasa.govDNS:wmap.gsfc.nasa.govDNS:www.jwst.nasa.govDNS:www.lisa.nasa.govDNS:www.ngst.nasa.govDNS:www.webb.nasa.gov Total number of SANs: 30 |
| Signature Algorithm: | sha256WithRSAEncryption |
| Key Type: | RSA |
| Key size: | 4096 bits |
| Serial Number: | 4dd16fd6c3b7ee38a08c0fea1bfa906e99c |
| Not Before: | Apr 23, 2024 18:38:19 GMT |
| Not After: | Jul 22, 2024 18:38:18 GMT |
| Number of certs: | 2 |
| Revocation Status: | good |
| OCSP Stapling: | Not Supported |
| Server: | WebServer/1.0 |
| HSTS: | max-age=31536000; includeSubDomains |
| HPKP: | Not Supported |
Chain Information
Certificate # 1 - Common Name: asd.gsfc.nasa.gov
Decode this certificate for verbose information → launch| Subject Common Name | asd.gsfc.nasa.gov |
| Issuer Common Name | R3 |
| Issuer Organization | Let's Encrypt |
| Not Before: | Apr 23, 2024 18:38:19 GMT |
| Not After: | Jul 22, 2024 18:38:18 GMT |
| Signature Algorithm: | sha256WithRSAEncryption |
| Serial Number: | 4dd16fd6c3b7ee38a08c0fea1bfa906e99c |
| SHA1 Fingerprint: | 53:8D:45:97:05:94:56:9D:0B:07:5C:51:C0:B9:37:CE:07:31:28:AA |
| MD5 Fingerprint: | 0E:3B:8E:06:C6:64:9C:AD:8B:CF:3A:01:C0:F2:7B:35 |
Certificate # 2 - Common Name: R3
Decode this certificate for verbose information → launch| In place? | Yes, this certificate directly certifies the preceding one |
| Subject Common Name | R3 |
| Subject Organization | Let's Encrypt |
| Issuer Common Name | ISRG Root X1 |
| Issuer Organization | Internet Security Research Group |
| Not Before: | Sep 04, 2020 00:00:00 GMT |
| Not After: | Sep 15, 2025 16:00:00 GMT |
| Signature Algorithm: | sha256WithRSAEncryption |
| Serial Number: | 912b084acf0c18a753f6d62e25a75f5a |
| SHA1 Fingerprint: | A0:53:37:5B:FE:84:E8:B7:48:78:2C:7C:EE:15:82:7A:6A:F5:A4:05 |
| MD5 Fingerprint: | E8:29:E6:5D:7C:43:07:D6:FB:C1:3C:17:9E:03:7A:36 |
OpenSSL Handshake
depth=2 C = US, O = Internet Security Research Group, CN = ISRG Root X1
verify return:1
depth=1 C = US, O = Let's Encrypt, CN = R3
verify return:1
depth=0 CN = asd.gsfc.nasa.gov
verify return:1
CONNECTED(00000003)
OCSP response: no response sent
---
Certificate chain
0 s:CN = asd.gsfc.nasa.gov
i:C = US, O = Let's Encrypt, CN = R3
-----BEGIN CERTIFICATE-----
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ai3gYHGxNK92X66vvHF74E39uK2Qs1mFk0FXI9o=
-----END CERTIFICATE-----
1 s:C = US, O = Let's Encrypt, CN = R3
i:C = US, O = Internet Security Research Group, CN = ISRG Root X1
-----BEGIN CERTIFICATE-----
MIIFFjCCAv6gAwIBAgIRAJErCErPDBinU/bWLiWnX1owDQYJKoZIhvcNAQELBQAw
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nLRbwHOoq7hHwg==
-----END CERTIFICATE-----
---
Server certificate
subject=CN = asd.gsfc.nasa.gov
issuer=C = US, O = Let's Encrypt, CN = R3
---
No client certificate CA names sent
Peer signing digest: SHA256
Peer signature type: RSA
Server Temp Key: ECDH, P-384, 384 bits
---
SSL handshake has read 4199 bytes and written 489 bytes
Verification: OK
---
New, TLSv1.2, Cipher is ECDHE-RSA-AES128-GCM-SHA256
Server public key is 4096 bit
Secure Renegotiation IS supported
Compression: NONE
Expansion: NONE
No ALPN negotiated
SSL-Session:
Protocol : TLSv1.2
Cipher : ECDHE-RSA-AES128-GCM-SHA256
Session-ID: D63C79766AC02C9A3F85BEDC538954A37883E07CFE548051A1815C692219A4B3
Session-ID-ctx:
Master-Key: 3804AFB1D5D63AF367370982E71BB8FFAF5B45F6E851FBA66081C8D5C8B332160E5FD7E3202B92F5B1566F54EA5F236C
PSK identity: None
PSK identity hint: None
SRP username: None
Start Time: 1714194079
Timeout : 7200 (sec)
Verify return code: 0 (ok)
Extended master secret: yes
---
DONE