www.isuper.com.br
IPv6: no public AAAA record — the domain is reachable over IPv4 only.
All 2 endpoints share identical configuration Select an IP for owner, ASN & location
A+ 162.159.143.12 IPv4 WHOIS › A+ 172.66.3.8 IPv4 WHOIS › Grade Breakdown
Protocol Support 95%
Key Exchange 90%
Cipher Strength 100%
Certificate 100%
Protocol Configuration
Supported Protocols
TLS 1.3
TLS 1.2
TLS 1.1
TLS 1.0
SSL 3
SSL 2
Negotiated Cipher
TLS_AES_256_GCM_SHA384
Protocol Details
| Connection | |
| ALPN | h2 http/1.1 |
| SNI Required | Yes |
| Supported Named Groups | X25519MLKEM768 X25519Kyber768Draft00 x25519 secp256r1 secp384r1 secp521r1 (server preference order) |
| Post-Quantum Key Exchange | Yes X25519MLKEM768, X25519Kyber768Draft00 |
| HTTP/3 (QUIC) | Yes (advertised) |
| Encrypted Client Hello | No |
| Security Features | |
| Forward Secrecy | Yes (ECDHE / DHE) |
| Downgrade Prevention | Yes (legacy TLS disabled) |
| Secure Renegotiation | Supported (RFC 5746) |
| Extended Master Secret | Yes (RFC 7627) |
| OCSP Stapling | No (certificate has no OCSP responder) |
| HSTS | Yes 1 year |
| HSTS Preloading | Not preloadedSubmit → |
| Security Checks | |
| BEAST attack | Mitigated |
| POODLE (SSLv3) | No (SSL 3 not supported) |
| POODLE (TLS) | No |
| RC4 | No |
| SSL/TLS Compression | No (not supported by .NET TLS stack) |
| Heartbleed | Not tested |
Cipher Suite Analysis
| Cipher Suite | Hex | Key Exchange | FS | Bits | Strength |
|---|---|---|---|---|---|
| # TLS 1.3 | |||||
| TLS_AES_128_GCM_SHA256 | 0x1301 | ECDHE | FS | 128 | Secure |
| TLS_AES_256_GCM_SHA384 | 0x1302 | ECDHE | FS | 256 | Secure |
| TLS_CHACHA20_POLY1305_SHA256 | 0x1303 | ECDHE | FS | 256 | Secure |
| # TLS 1.2 | |||||
| TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 | 0xC02F | ECDHE | FS | 128 | Secure |
| TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 | 0xCCA8 | ECDHE | FS | 256 | Secure |
| TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA | 0xC013 | ECDHE | FS | 128 | Weak |
| TLS_RSA_WITH_AES_128_GCM_SHA256 | 0x009C | RSA | No FS | 128 | Weak |
| TLS_RSA_WITH_AES_128_CBC_SHA | 0x002F | RSA | No FS | 128 | Weak |
| TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 | 0xC030 | ECDHE | FS | 256 | Secure |
| TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA | 0xC014 | ECDHE | FS | 256 | Weak |
| TLS_RSA_WITH_AES_256_GCM_SHA384 | 0x009D | RSA | No FS | 256 | Weak |
| TLS_RSA_WITH_AES_256_CBC_SHA | 0x0035 | RSA | No FS | 256 | Weak |
| TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 | 0xC027 | ECDHE | FS | 128 | Weak |
| TLS_RSA_WITH_AES_128_CBC_SHA256 | 0x003C | RSA | No FS | 128 | Weak |
| TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 | 0xC028 | ECDHE | FS | 256 | Weak |
| TLS_RSA_WITH_AES_256_CBC_SHA256 | 0x003D | RSA | No FS | 256 | Weak |
Handshake Simulation
| Client | Protocol | Cipher Suite | Result |
|---|---|---|---|
| Chrome 120 / Win 11 | TLS 1.3 | TLS_AES_256_GCM_SHA384 | Success |
| Chrome 80 / Win 10 | TLS 1.3 | TLS_AES_256_GCM_SHA384 | Success |
| Firefox 115 / Win 10 | TLS 1.3 | TLS_AES_256_GCM_SHA384 | Success |
| iOS 17 / Safari | TLS 1.3 | TLS_CHACHA20_POLY1305_SHA256 | Success |
| macOS 14 / Safari | TLS 1.3 | TLS_AES_256_GCM_SHA384 | Success |
| Android 14 | TLS 1.3 | TLS_AES_128_GCM_SHA256 | Success |
| Chrome 69 / Win 7 | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 | Success |
| Chrome 49 / XP SP3 | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 | Success |
| IE 11 / Win 10 | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 | Success |
| IE 11 / Win 7 | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 | Success |
| Android 9.0 | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 | Success |
| Android 7.0 | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 | Success |
| Android 5.0 | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 | Success |
| Android 4.4.2 | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 | Success |
| Java 11 | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 | Success |
| Java 8u121 | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 | Success |
| Android 4.0.4 | - | - | No |
| Android 4.1.1 | - | - | No |
| Baidu Jan 2015 | - | - | No |
| Java 6 | - | - | No |
* Simulated based on server's supported protocols and cipher configuration.
Site Access: HTTP and HTTPS
What a visitor typing each address gets, and where its redirects end (up to 5 are followed), as seen from our scanner.
| Host | http:// (port 80) | https:// (port 443) |
|---|---|---|
| www.isuper.com.br | 301 → https://www.isuper.com.br/ → 200 OK | 200 OK |
| isuper.com.br | 301 → https://isuper.com.br/ → … → https://www.isuper.com.br/ → 200 OK | 301 → https://www.isuper.com.br/ → 200 OK |
- http://www.isuper.com.br redirects to HTTPS.
DNS Records
As a public resolver answered for www.isuper.com.br and its domain isuper.com.br. Looked up 2026-11-06 23:14 UTC · today
| Type | Records |
|---|---|
| www.isuper.com.br | |
| A | |
| AAAA | None |
| MX | None |
| SPF | None |
| isuper.com.br | |
| A | |
| AAAA | None |
| NS | ns1.isuper.com.br ns2.isuper.com.br |
| MX | 0 mail.isuper.com.br |
| SPF | v=spf1 ip4:177.8.248.45 +a +mx +ip4:177.8.248.38 +ip4:177.8.248.85 +ip4:177.8.248.87 ~all |
Certificate Identity
| Common Name | www.isuper.com.br |
| Alt Names | isuper.com.br www.isuper.com.br |
| Issuer | CN=YR2, O=Let's Encrypt, C=US |
| Validity | 2026-09-14 to 2026-12-13 (35 days remaining) |
| Key | RSA 2048 bits (sha256RSA) |
| Serial Number | 05A8DCC4214F5FAF3C1E4E1754FF330A2161 |
| SHA256 Fingerprint | db438c3ef18ac1f95aafd58a2cb967e7ff7c8acdfc88049824010dde7e4015b9 |
| Pin SHA256 | b7vmTVjHdj4djPNaCqE7hcBaKGSAOKho/v30Ma60fyE= |
Certificate Properties
| Type | DV |
| Cert Transparency | Yes (SCT) |
| OCSP Must Staple | No |
| Revocation | Good (not revoked) CRL: http://yr2.c.lencr.org/98.crl No OCSP responder — revocation is published via CRL only (as CA/B Forum rules now allow). |
| DNS CAA | No (missing) |
| Trusted By | Yes Mozilla · Apple · Android · Java · Windows |
| Name Match | Yes |
| Validity Period | 90 days (maximum 200 days for certificates issued then) |
| Chain Issues | None |
Trust Chain Architecture
End-Entity Certificate
CN=isuper.com.br (Issuer: CN=YR2, O=Let's Encrypt, C=US)
Intermediate CA
CN=YR2, O=Let's Encrypt, C=US (Issuer: CN=Root YR, O=ISRG, C=US)
Intermediate CA
CN=Root YR, O=ISRG, C=US (Issuer: CN=ISRG Root X1, O=Internet Security Research Group, C=US)
Root Certificate
CN=ISRG Root X1, O=Internet Security Research Group, C=US (Issuer: CN=ISRG Root X1, O=Internet Security Research Group, C=US)
TLS History & Relations
Everything our scans have seen for www.isuper.com.br, first seen 2026-11-05; current certificate since 2026-11-06.
Certificates served
| Certificate (SHA-256) | Issuer | Valid | Served |
|---|---|---|---|
| db438c3ef18ac1f9… current | YR2 | 2026-09-14 → 2026-12-13 | 2026-11-06 |
Addresses
| Address | Certificate | Seen |
|---|---|---|
| 162.159.143.12 | db438c3ef18ac1f9… | 2026-11-06 |
| 172.66.3.8 | db438c3ef18ac1f9… | 2026-11-06 |
TLS history (a row per change; repeated checks only extend it)
| Since → last checked (UTC) | Grade | TLS | Certificates | Addresses |
|---|---|---|---|---|
| 2026-11-06 23:14 | A+ | TLS 1.3 | db438c3ef18ac1f9… | 162.159.143.12, 172.66.3.8 |
Other hosts seen on the same addresses
www.365medical.or.jp www.acri.org.il www.adpin.se www.adultdevelopmentstudy.org www.africangenesis-101.org www.agapeservice.org www.airealtor.com.au www.allocate.space www.americanbunker.co www.amvets.org www.anjaconline.org www.arduionly.com.au www.asbestlogboek.nl www.ati.edu.my www.bfrb.org www.biblegrove.org www.bimmergeeks.net www.bitwan.co www.bizchut.org.il www.blockery.io www.bluewatersuite.net www.blumas.com.ar www.boulou.energy www.brightschool.com.ua www.buzzapp.is www.carching.co www.chateau-pape-clement.fr www.codepirate.de www.crscube.io www.diamondhands.community