Domain · Tranco #18,743
ptb.de
ptb.de is ranked #18,743 among the world's most-visited sites (Tranco). It resolves to 192.53.103.121, hosted on u99121.bs.ptb.de, and presents a TLS certificate issued by Let's Encrypt.
HTTP 302| Tranco rank | #18,743 |
|---|---|
| IPv4 | 192.53.103.121 |
| Hosting / reverse DNS | u99121.bs.ptb.de |
| Hosting network | AS680 · DFN - Verein zur Foerderung eines Deutschen Forschungsnetzes e.V., DE |
| Nameservers | dns-1.dfn.de, dns-2.dfn.de, dns-3.dfn.de, ns1.ptb.de |
| Mail servers (MX) | mx1.bs.ptb.de (10), mx1.berlin.ptb.de (20) |
| HTTP status | 302 → https://www.ptb.de/ |
| Web server | XXXXXXX |
| Detected tech | XXXXXXX |
| TLS certificate | Let's Encrypt · expires 2026-10-18 |
Notable DNS TXT records
apple-domain-verification=XrEPkGN8FLiu5cwGMS=ms585763033600v=spf1 ip4:192.53.103.120/32 ip4:194.94.94.97/32 ip6:2001:638:610:bd01::120/128 ip6:2001:638:610:cdce::61/128 include:spf.smtp.net ~all
More .de domains
FAQ
What is the IP address of ptb.de?
ptb.de resolves to 192.53.103.121 (u99121.bs.ptb.de).
Who issued the SSL certificate for ptb.de?
The TLS/SSL certificate for ptb.de was issued by Let's Encrypt, valid until 2026-10-18.
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