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 (46 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: | 151.101.194.133 |
| Reverse IP lookup: | No records found |
| Nameserver: | ns-1534.awsdns-63.org. |
| Nameserver: | ns-169.awsdns-21.com. |
| Nameserver: | ns-1782.awsdns-30.co.uk. |
| Nameserver: | ns-634.awsdns-15.net. |
General Information
| Common Name: | linktr.ee |
| SANs: | DNS:linktr.ee Total number of SANs: 1 |
| Signature Algorithm: | sha256WithRSAEncryption |
| Key Type: | RSA |
| Key size: | 2048 bits |
| Serial Number: | 38bcef783c4aa670b0ee8ee2869282700ec |
| Not Before: | Mar 12, 2024 15:21:50 GMT |
| Not After: | Jun 10, 2024 15:21:49 GMT |
| Number of certs: | 3 |
| Revocation Status: | good |
| OCSP Stapling: | Supported |
| Server: | Not Provided |
| HSTS: | max-age=31536000 |
| HPKP: | Not Supported |
Chain Information
Certificate # 1 - Common Name: linktr.ee
Decode this certificate for verbose information → launch| Subject Common Name | linktr.ee |
| Issuer Common Name | R3 |
| Issuer Organization | Let's Encrypt |
| Not Before: | Mar 12, 2024 15:21:50 GMT |
| Not After: | Jun 10, 2024 15:21:49 GMT |
| Signature Algorithm: | sha256WithRSAEncryption |
| Serial Number: | 38bcef783c4aa670b0ee8ee2869282700ec |
| SHA1 Fingerprint: | 93:F5:53:F5:D0:8E:4A:33:78:11:3D:B4:97:17:A5:A8:1E:B5:63:CD |
| MD5 Fingerprint: | DD:94:69:21:CD:A0:89:02:52:05:A2:6A:C9:E8:E4:27 |
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 |
Certificate # 3 - Common Name: ISRG Root X1
Decode this certificate for verbose information → launch| In place? | Yes, this certificate directly certifies the preceding one |
| Subject Common Name | ISRG Root X1 |
| Subject Organization | Internet Security Research Group |
| Issuer Common Name | DST Root CA X3 |
| Issuer Organization | Digital Signature Trust Co. |
| Not Before: | Jan 20, 2021 19:14:03 GMT |
| Not After: | Sep 30, 2024 18:14:03 GMT |
| Signature Algorithm: | sha256WithRSAEncryption |
| Serial Number: | 4001772137d4e942b8ee76aa3c640ab7 |
| SHA1 Fingerprint: | 93:3C:6D:DE:E9:5C:9C:41:A4:0F:9F:50:49:3D:82:BE:03:AD:87:BF |
| MD5 Fingerprint: | C1:E1:FF:07:F9:F6:88:49:82:74:D1:A1:80:53:EA:BF |
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 = linktr.ee
verify return:1
CONNECTED(00000003)
OCSP response:
======================================
OCSP Response Data:
OCSP Response Status: successful (0x0)
Response Type: Basic OCSP Response
Version: 1 (0x0)
Responder Id: C = US, O = Let's Encrypt, CN = R3
Produced At: Apr 21 17:18:00 2024 GMT
Responses:
Certificate ID:
Hash Algorithm: sha1
Issuer Name Hash: 48DAC9A0FB2BD32D4FF0DE68D2F567B735F9B3C4
Issuer Key Hash: 142EB317B75856CBAE500940E61FAF9D8B14C2C6
Serial Number: 038BCEF783C4AA670B0EE8EE2869282700EC
Cert Status: good
This Update: Apr 21 17:18:00 2024 GMT
Next Update: Apr 28 17:17:58 2024 GMT
Signature Algorithm: sha256WithRSAEncryption
50:a2:a8:3e:24:a8:51:bf:b5:10:45:e1:7a:16:5e:69:aa:b0:
13:5b:f1:67:b1:49:f0:a3:1f:68:d2:8f:57:36:68:0a:87:fc:
9e:c9:80:b7:06:5e:69:81:d1:9e:1a:d2:1a:a5:0e:2a:b3:b9:
11:e2:81:21:7e:bb:dc:11:41:04:da:38:10:b8:84:fb:f5:18:
80:89:d1:2c:9c:a2:20:23:fe:6c:99:9b:5d:f4:27:d6:8a:79:
96:b7:c4:6f:e5:14:af:de:65:5f:ff:5d:30:20:cd:d0:33:cd:
ea:6d:3c:e4:7c:13:6f:2c:07:59:d3:c0:1d:7a:1a:0c:2b:78:
56:4a:75:0c:6d:78:81:06:70:cd:28:87:97:b4:91:b6:9c:1d:
2c:e6:b7:02:9d:38:f0:30:fb:7f:a5:fb:c6:e2:29:a4:29:37:
d2:9a:b3:c1:53:07:5b:b7:ff:50:bc:b7:5d:3c:dd:74:78:e2:
8f:b0:cb:63:c3:5c:11:e4:68:6e:99:0d:52:98:29:c9:22:ee:
59:31:1e:f8:48:db:41:e8:d7:bc:b4:0a:8a:76:bf:75:97:6c:
b6:a7:c7:b6:e3:79:43:74:14:9b:34:28:11:39:8c:d0:4f:62:
9a:49:c8:f9:17:15:84:c0:46:45:92:a5:a9:bd:37:c2:c6:aa:
14:e5:af:4c
======================================
---
Certificate chain
0 s:CN = linktr.ee
i:C = US, O = Let's Encrypt, CN = R3
-----BEGIN CERTIFICATE-----
MIIE3jCCA8agAwIBAgISA4vO94PEqmcLDujuKGkoJwDsMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
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hcbn7lMUNudzEyJ+q634MI3ED0eVO500Ns74K1fLFVu1ujtfMeNwmOMtqhhUL2Tv
mRs=
-----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
TzELMAkGA1UEBhMCVVMxKTAnBgNVBAoTIEludGVybmV0IFNlY3VyaXR5IFJlc2Vh
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MldlTTKB3zhThV1+XWYp6rjd5JW1zbVWEkLNxE7GJThEUG3szgBVGP7pSWTUTsqX
nLRbwHOoq7hHwg==
-----END CERTIFICATE-----
2 s:C = US, O = Internet Security Research Group, CN = ISRG Root X1
i:O = Digital Signature Trust Co., CN = DST Root CA X3
-----BEGIN CERTIFICATE-----
MIIFYDCCBEigAwIBAgIQQAF3ITfU6UK47naqPGQKtzANBgkqhkiG9w0BAQsFADA/
MSQwIgYDVQQKExtEaWdpdGFsIFNpZ25hdHVyZSBUcnVzdCBDby4xFzAVBgNVBAMT
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WCLKTVXkcGdtwlfFRjlBz4pYg1htmf5X6DYO8A4jqv2Il9DjXA6USbW1FzXSLr9O
he8Y4IWS6wY7bCkjCWDcRQJMEhg76fsO3txE+FiYruq9RUWhiF1myv4Q6W+CyBFC
Dfvp7OOGAN6dEOM4+qR9sdjoSYKEBpsr6GtPAQw4dy753ec5
-----END CERTIFICATE-----
---
Server certificate
subject=CN = linktr.ee
issuer=C = US, O = Let's Encrypt, CN = R3
---
No client certificate CA names sent
Peer signing digest: SHA256
Peer signature type: RSA-PSS
Server Temp Key: X25519, 253 bits
---
SSL handshake has read 5113 bytes and written 405 bytes
Verification: OK
---
New, TLSv1.2, Cipher is ECDHE-RSA-CHACHA20-POLY1305
Server public key is 2048 bit
Secure Renegotiation IS supported
Compression: NONE
Expansion: NONE
No ALPN negotiated
SSL-Session:
Protocol : TLSv1.2
Cipher : ECDHE-RSA-CHACHA20-POLY1305
Session-ID: DA862BAE275A0284A7B2325DF8BA1F6CB777F3CEF42CE1604BF56804EDEFADB7
Session-ID-ctx:
Master-Key: B381E139FCF2A69277C3912761934613B6FAE83117AD7E6A41C2E987E919EE799040E53FF13DAA046EDADCF84678F951
PSK identity: None
PSK identity hint: None
SRP username: None
TLS session ticket lifetime hint: 7200 (seconds)
TLS session ticket:
0000 - 8a 53 d3 87 49 50 48 d5-74 bf cb 55 2b 4b fc 77 .S..IPH.t..U+K.w
0010 - 14 2f 93 45 57 b5 b6 99-56 46 33 cb e8 1c d0 f7 ./.EW...VF3.....
0020 - 72 2c 9c ef 32 d8 72 91-10 c3 90 91 d7 00 ac 7c r,..2.r........|
0030 - 1b 48 25 ea fa 2c 82 c5-b7 06 c2 b1 14 64 8f ae .H%..,.......d..
0040 - 69 5c 0f 5f 08 a4 0b 04-eb 4c fb 3a 28 cb 55 99 i\._.....L.:(.U.
0050 - 3f 29 b0 38 0a f5 c1 4d-97 1e e9 44 54 14 bf 71 ?).8...M...DT..q
0060 - 73 65 6f 4e 3e 67 27 c6-d2 63 be 99 1b ca 03 60 seoN>g'..c.....`
0070 - 6e 78 77 91 2d 12 bf e1-16 05 76 0c 5d 95 74 af nxw.-.....v.].t.
0080 - ed 44 ae 17 c0 4d 4f c2-70 6c a0 0a be 2f 92 9c .D...MO.pl.../..
0090 - cd 6c e1 ca 7d 5a 21 33-53 d2 b3 27 21 48 d7 d9 .l..}Z!3S..'!H..
00a0 - 3e a4 0c a6 84 41 91 e9-f2 f7 e2 ea 08 43 01 a9 >....A.......C..
00b0 - b3 4d 44 33 62 01 7b 37-8d 13 e9 2b ac df 0b 69 .MD3b.{7...+...i
Start Time: 1713984493
Timeout : 7200 (sec)
Verify return code: 0 (ok)
Extended master secret: yes
---
DONE