tnf.cz - robtex.com
tnf.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 209.250.224.249🇬🇧 AS-VULTR209.250.224.0/21 Vultr Assigned Prefix | ||||||
| PTR | 209.250.224.249.vultrusercontent.com | ||||||
| NS | ns.parktons.com ⭐ | ||||||
| A | 46.8.8.88🇨🇿 GRANSY46.8.8.0/24 | ||||||
| NS | beta1.rdrhost.com | ||||||
| A | 209.250.224.249🇬🇧 AS-VULTR209.250.224.0/21 Vultr Assigned Prefix | ||||||
| PTR | 209.250.224.249.vultrusercontent.com | ||||||
| NS | beta2.rdrhost.com | ||||||
| A | 45.76.135.224🇬🇧 AS-VULTR45.76.128.0/20 Vultr Assigned Prefix | ||||||
| PTR | 45.76.135.224.vultrusercontent.com | ||||||
| MX | mail.parktons.com ⭐ | ||||||
| A | 155.138.212.151🇺🇸 AS-VULTR155.138.192.0/19 Vultr Assigned Prefix | ||||||
| PTR | 155-138-212-151.lum-int.io | ||||||
| SOA | ns.parktons.comroot@parktons.com serial=2617179285 | ||||||
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=1785802641 | ||||||
Same first word
Similar names
DNS History
11 records (5 active, 6 former)
●NSbeta1.rdrhost.com2026-05-01 → 2026-08-04 · 3 obs
● 2026-05-01 08:58:14
● 2026-08-04 00:25:46
●NSbeta2.rdrhost.com2026-05-01 → 2026-08-04 · 3 obs
● 2026-05-01 08:58:14
● 2026-08-04 00:25:46
●NSns.parktons.com2026-05-01 → 2026-08-04 · 3 obs
● 2026-05-01 08:58:14
● 2026-08-04 00:25:46
○NSns1.smartweb.cz2015-08-03 → 2016-12-29 · 4 obs
● 2016-12-29 18:55:42
○ 2026-05-01 08:58:14
○ 2026-08-04 00:25:46
○NSns2.smartweb.cz2015-08-03 → 2016-12-29 · 4 obs
● 2016-12-29 18:55:42
○ 2026-05-01 08:58:14
○ 2026-08-04 00:25:46
○NSslave.smartweb.cz2015-08-03 → 2016-12-29 · 4 obs
● 2016-12-29 18:55:42
○ 2026-05-01 08:58:14
○ 2026-08-04 00:25:46
●MXmail.parktons.com2026-05-01 → 2026-08-04 · 3 obs
● 2026-05-01 08:58:14
● 2026-08-04 00:25:46
○MXslave.smartweb.cz2015-08-03 → 2016-12-29 · 4 obs
● 2016-12-29 18:55:42
○ 2026-05-01 08:58:14
○ 2026-08-04 00:25:46
○MXsmtp.smartweb.cz2015-08-03 → 2016-12-29 · 4 obs
● 2016-12-29 18:55:42
○ 2026-05-01 08:58:14
○ 2026-08-04 00:25:46
○A109.123.215.12015-08-03 → 2016-12-29 · 4 obs
● 2016-12-29 18:55:42
○ 2026-05-01 08:58:14
○ 2026-08-04 00:25:46
●A209.250.224.2492026-05-01 → 2026-08-04 · 3 obs
● 2026-05-01 08:58:14
● 2026-08-04 00:25:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | 8 records |
| tnf.cz | beta1.rdrhost.com, beta2.rdrhost.com | - |
✅ Authoritative Response
Server:45.76.135.224
NS records: beta1.rdrhost.com, beta2.rdrhost.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tnf.cz (unsigned zone)
⏱️ Timing
Total: 1329ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 209.250.224.249 |
| NS | 2 | beta1.rdrhost.com, beta2.rdrhost.com |
| MX | 1 | mail.parktons.com (pri: 10) |
| SOA | 1 | ns.parktons.com root.parktons.com |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (a.ns.nic.cz, a.ns.nic.cz, c.ns.nic.cz...)
Analysis
IP Addresses
tnf.cz directs to one IP number, which is 209.250.224.249.
Among the host names that share IP numbers with tnf.cz are 123auto.cz, zubnipohotovostpraha.cz, lhk.cz and two others.
Name Servers
tnf.cz carries NS records delegating to ns.parktons.com, beta1.rdrhost.com and beta2.rdrhost.com.
tnf.cz partially shares its NS delegation with several other domains, including ns1.bercinta21.info, trade-eprex-80.com, mod.cz and two others.
In DNS configurations, these name servers often share authority with ns2.parktons.com, delta1.rdrhost.com, delta2.rdrhost.com and 7 other name servers.
ns.parktons.com points to 46.8.8.88; beta1.rdrhost.com points to 209.250.224.249; beta2.rdrhost.com points to 45.76.135.224 — each hostname maps to exactly one IP address.
Mail Servers
tnf.cz routes its mail through a single mail server, mail.parktons.com.
tnf.cz has the same mail server arrangement as a number of other domains, for example mail.cerev.info, www.irfanview.cz, ge.domain.name and two more.
mail.parktons.com carries a single IP number, which is 155.138.212.151.