lkummer.cz - robtex.com
lkummer.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2a01:168:0:11::1014🇨🇿 HKFREE-AS2a01:168::/29 HKfree IPv6 route | ||||||
| PTR | 2a01-168-0-11--1014.hkfree.org | ||||||
| A | 89.248.250.14🇨🇿 HKFREE-AS89.248.240.0/20 HKFree route | ||||||
| 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.it | ||||||
| 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 | ||||||
| MX | mx01.lkummer.cz ⭐ | ||||||
| A | 89.248.245.88🇨🇿 HKFREE-AS89.248.240.0/20 HKFree route | ||||||
| TXT | v=spf1 ip4:89.248.250.14 include:hkfree.org -all | ||||||
| SOA | ns.forpsi.netadmin@forpsi.com 2026-04-20 #1 | ||||||
cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.ns.nic.cz ⭐ | ||||||
| NS | b.ns.nic.cz | ||||||
| NS | c.ns.nic.cz | ||||||
| NS | d.ns.nic.cz | ||||||
| SOA | a.ns.nic.czhostmaster@nic.cz serial=1777016834 | ||||||
Subdomains
mx01.lkummer.cz |
Same first word
lkummer.cz |
Similar names
DNS History
6 records (6 active, 0 former)
●NSns.forpsi.net2015-08-13 → 2026-04-24 · 2 obs
● 2026-04-24 08:28:10
●MXmx01.lkummer.cz2015-08-13 → 2026-04-24 · 2 obs
● 2026-04-24 08:28:10
●A2a01:168:0:11::10142026-03-10 → 2026-04-24 · 3 obs
● 2026-03-10 04:56:26
● 2026-04-24 08:28:10
●A89.248.250.142015-08-13 → 2026-04-24 · 2 obs
● 2026-04-24 08:28:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | d.ns.nic.cz, c.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz | - |
| lkummer.cz | ns.forpsi.cz, ns.forpsi.it, ns.forpsi.net | 2 records |
✅ Authoritative Response
Server:81.2.209.185
NS records: ns.forpsi.cz, ns.forpsi.it, ns.forpsi.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 894ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 89.248.250.14 |
| AAAA | 1 | 2a01:168:0:11::1014 |
| NS | 3 | ns.forpsi.cz, ns.forpsi.it... |
| MX | 1 | mx01.lkummer.cz (pri: 10) |
| TXT | 1 | v=spf1 ip4:89.248.250.14 include:hkfree. |
| SOA | 1 | ns.forpsi.net admin.forpsi.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.forpsi.cz, ns.forpsi.cz)
Analysis
Hierarchy
lkummer.cz is parent of mx01.lkummer.cz.
IP Addresses
lkummer.cz points to two IP numbers: 2a01:168:0:11::1014 and 89.248.250.14.
Name Servers
lkummer.cz is delegated to three name servers: ns.forpsi.cz, ns.forpsi.it and ns.forpsi.net.
lkummer.cz at least partially shares its name servers with other domains, for instance sofartin.com, kodad.info, pony-express.cz, denni.cz and topfilm.cz.
These name servers are often used together with the name servers ns.forpsi.us.
Host names with two IP numbers:
ns.forpsi.cz points to: 2001:15e8:201:1::d1b9 and 81.2.209.185.
ns.forpsi.it points to: 2a00:6d41:2:1::5 and 95.110.254.165.
ns.forpsi.net points to: 2001:15e8:101:1::c282 and 81.2.194.130.
Mail Servers
lkummer.cz is served by a single mail server, mx01.lkummer.cz.
mx01.lkummer.cz points to IP number 89.248.245.88.