knihcentrum.info - robtex.com
knihcentrum.info
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 81.91.218.204🇨🇿 OVANET81.91.208.0/20 - I. | ||||||
| PTR | mailgw4.knihcentrum.cz | ||||||
| NS | ns.forpsi.net ⭐ | ||||||
| A | 2001:15e8:101:1::c282🇨🇿 INTERNET-CZ2001:15e8::/32 | ||||||
| PTR | ns.forpsi.net | ||||||
| A | 81.2.194.130🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s. | ||||||
| PTR | ns.forpsi.net | ||||||
| NS | ns.forpsi.cz | ||||||
| A | 2001:15e8:201:1::d1b9🇨🇿 INTERNET-CZ2001:15e8::/32 | ||||||
| PTR | ns.forpsi.cz | ||||||
| A | 81.2.209.185🇨🇿 INTERNET-CZ81.2.209.0/24 | ||||||
| PTR | ns.forpsi.cz | ||||||
| NS | ns.forpsi.us | ||||||
| A | 2a00:6d41:2:1::5🇮🇹 ARUBA-ASN2a00:6d41::/32 Aruba S.p.A. IPv6 Network | ||||||
| PTR | ns.forpsi.it | ||||||
| A | 95.110.254.165🇮🇹 ARUBA-ASN95.110.192.0/18 Aruba S.p.A. Network | ||||||
| PTR | host165-254-110-95.serverdedicati.aruba.it | ||||||
| SOA | ns.forpsi.netadmin@forpsi.net 2026-03-11 #1 | ||||||
info
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.info.afilias-nst.info ⭐ | ||||||
| NS | a2.info.afilias-nst.info | ||||||
| NS | b0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | b2.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | c0.info.afilias-nst.info | ||||||
| NS | d0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| SOA | a0.info.afilias-nst.infohostmaster@donuts.email serial=1774679878 | ||||||
Same first word
knihcentrum.cz |
knihcentrum.info |
Similar names
DNS History
4 records (4 active, 0 former)
●NSns.forpsi.net2015-06-30 → 2026-03-28 · 2 obs
● 2026-03-28 07:11:30
●A81.91.218.2042015-06-30 → 2026-03-28 · 2 obs
● 2026-03-28 07:11:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| info | a0.info.afilias-nst.info, a2.info.afilias-nst.info, c0.info.afilias-nst.info | - |
| knihcentrum.info | ns.forpsi.cz, ns.forpsi.us, ns.forpsi.net | - |
✅ Authoritative Response
Server:81.2.209.185
NS records: ns.forpsi.cz, ns.forpsi.us, ns.forpsi.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1218ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.91.218.204 |
| NS | 3 | ns.forpsi.cz, ns.forpsi.us... |
| SOA | 1 | ns.forpsi.net admin.forpsi.net |
Analysis
IP Addresses
knihcentrum.info points to a single IP number: 81.91.218.204.
other host names for instance pemic.com, ssp.cz, skolkam.cz, bookonline.sk and mailgw4.knihcentrum.cz share IP numbers with knihcentrum.info.
Name Servers
knihcentrum.info is delegated to three name servers: ns.forpsi.cz, ns.forpsi.net and ns.forpsi.us.
knihcentrum.info at least partially shares name servers with other domains, for instance kicsinycsodakmuhelye.hu, centrumrozmital.cz, svetpda.cz, mobitut.com and prazmo.net.
These name servers are commonly used with the name servers ns.forpsi.it.
Host names with two IP numbers:
Host ns.forpsi.cz points to 2001:15e8:201:1::d1b9 and 81.2.209.185.
Host ns.forpsi.net points to 2001:15e8:101:1::c282 and 81.2.194.130.
Host ns.forpsi.us points to 2a00:6d41:2:1::5 and 95.110.254.165.