blkb.com - robtex.com
blkb.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 193.222.70.120🇨🇭 SWISSCOM193.222.64.0/19 Swisscom IT Services AG - 193.222.64.0/19 CH-SWISSCOM-ITS-193-222 | ||||||
| NS | dns3.swisscom.com ⭐ | ||||||
| A | 193.222.76.54🇨🇭 SWISSCOM193.222.64.0/19 Swisscom IT Services AG - 193.222.64.0/19 CH-SWISSCOM-ITS-193-222 | ||||||
| PTR | dns3.swisscom.com | ||||||
| NS | dns1.swisscom.com | ||||||
| A | 138.190.34.196🇨🇭 SWISSCOM138.190.0.0/16 Provider:Swisscom IP-Plus | ||||||
| PTR | dns1.swisscom.com | ||||||
| NS | dns2.swisscom.com | ||||||
| A | 138.190.34.204🇨🇭 SWISSCOM138.190.0.0/16 Provider:Swisscom IP-Plus | ||||||
| PTR | dns2.swisscom.com | ||||||
| TXT | QuoVadis=d6bd2890-993b-46b8-9cbc-c560f21df963 | ||||||
| TXT | swisssign-check=yhozsi2v7TW2ZidwZR0fD5PoGPg | ||||||
| TXT | swisssign-check=cQlcmGL6XA_i_eudbEi2GPTCqKU | ||||||
| TXT | 849b26e8-ad12-4623-b11e-387d25bff04b | ||||||
| TXT | swisssign-check=X54DFeQE0F6iveqC6TchY-ApyuY | ||||||
| TXT | QuoVadis=f822b13e-48db-4591-a733-1ffbb0aa3d65 | ||||||
| SOA | dns3.swisscom.comadmin\@dns.swisscom.com serial=15351 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1771291435 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSdns1.swisscom.com2015-08-02 → 2026-03-22 · 2 obs
● 2026-03-22 20:13:22
●NSdns2.swisscom.com2015-08-02 → 2026-03-22 · 2 obs
● 2026-03-22 20:13:22
●NSdns3.swisscom.com2015-08-02 → 2026-03-22 · 2 obs
● 2026-03-22 20:13:22
●A193.222.70.1202015-08-02 → 2026-03-22 · 2 obs
● 2026-03-22 20:13:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| blkb.com | dns1.swisscom.com, dns2.swisscom.com, dns3.swisscom.com | 3 records |
✅ Authoritative Response
Server: 193.222.76.54
NS records: dns1.swisscom.com, dns2.swisscom.com, dns3.swisscom.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for blkb.com (unsigned zone)
⏱️ Timing
Total: 375ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 193.222.70.120 |
| NS | 3 | dns3.swisscom.com, dns2.swisscom.com... |
| TXT | 6 | 849b26e8-ad12-4623-b11e-387d25bff04b, QuoVadis=d6bd2890-993b-46b8-9cbc-c560f21... |
| SOA | 1 | dns3.swisscom.com admin\.dns.swisscom.co |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (dns1.swisscom.com, dns2.swisscom.com, dns3.swisscom.com)
Analysis
IP Addresses
blkb.com points to IP number 193.222.70.120.
For instance, other host names blkb.net, boerse.blkb.ch, blkb.info, bklb.ch and secure.blkb.ch share IP numbers with blkb.com.
Name Servers
The delegation for blkb.com is handled by three name servers: dns1.swisscom.com, dns2.swisscom.com and dns3.swisscom.com.
blkb.com shares name servers with other domains at least partially, for example asktirweb.org, axa-prevoyance.ch, swisscom-mobile.ch, 192.65.195.in-addr.arpa and swisscomcloud.com.
These name servers are commonly used with the name servers ns1.ip-plus.net and ns2.ip-plus.net.
Host names with a single IP address: dns1.swisscom.com points to 138.190.34.196; dns2.swisscom.com points to 138.190.34.204; dns3.swisscom.com points to 193.222.76.54.