ifw.cz - robtex.com
ifw.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:67c:e94:1:1:5bef:cb62:1Blindspot2001:67c:e94::/48 THINLINE-BlindSpot | ||||||
| PTR | replikant4366.thinline.cz | ||||||
| A | 91.239.203.98🇨🇿 Blindspot91.239.202.0/23 THINLINE-BlindSpot | ||||||
| NS | ns1.thinline.cz ⭐ | ||||||
| A | 2001:67c:e94:0:1:5bef:c8f3:1Blindspot2001:67c:e94::/48 THINLINE-BlindSpot | ||||||
| PTR | ns1.thinline.cz | ||||||
| A | 91.239.200.243🇨🇿 Blindspot91.239.200.0/23 THINLINE-BlindSpot | ||||||
| PTR | ns1.thinline.cz | ||||||
| NS | ns2.thinline.cz | ||||||
| A | 2001:4de8:fa22:0:1:5264:602:1🇨🇿 QUANTCOM-AS2001:4de8::/32 Dial Telecom, a.s. | ||||||
| PTR | ns2.thinline.cz | ||||||
| A | 82.100.6.2🇨🇿 QUANTCOM-AS82.100.0.0/18 Dial Telecom, a.s. | ||||||
| PTR | ns2.thinline.cz | ||||||
| NS | ns3.cesky-hosting.eu | ||||||
| A | 2001:67c:e94:1:1:5bef:ca12:1Blindspot2001:67c:e94::/48 THINLINE-BlindSpot | ||||||
| PTR | ns3.cesky-hosting.eu | ||||||
| A | 91.239.202.18🇨🇿 Blindspot91.239.202.0/23 THINLINE-BlindSpot | ||||||
| PTR | ns3.cesky-hosting.eu | ||||||
| TXT | v=spf1 a include:spf.cesky-hosting.cz -all | ||||||
| SOA | ns1.thinline.czhostmaster@ifw.cz serial=20263465 | ||||||
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=1785268043 | ||||||
Same first word
ifw.info |
ifw.pl |
ifw.biz |
ifw.co |
ifw.at |
ifw.io |
ifw.net |
ifw.cz |
ifw.es |
ifw.ly |
ifw.ca |
ifw.xyz |
ifw.us |
ifw.link |
ifw.com.br |
ifw.in |
ifw.de |
ifw.com.tr |
ifw.ru |
ifw.co.jp |
ifw.dk |
ifw.org |
ifw.com |
ifw.fr |
ifw.ch |
ifw.be |
Similar names
DNS History
19 records (5 active, 14 former)
○NSa.ns.gohost.cz2021-09-19 → 2021-09-19 · 4 obs
● 2021-09-19 07:59:34
○ 2026-06-28 20:54:04
○ 2026-07-28 20:25:52
○NSb.ns.gohost.cz2021-09-19 → 2021-09-19 · 4 obs
● 2021-09-19 07:59:34
○ 2026-06-28 20:54:04
○ 2026-07-28 20:25:52
○NSns.forpsi.cz2015-08-01 → 2017-01-16 · 4 obs
● 2017-01-16 13:15:36
○ 2020-10-29 11:28:22
○ 2026-07-28 20:25:52
○NSns.forpsi.it2015-08-01 → 2017-01-16 · 4 obs
● 2017-01-16 13:15:36
○ 2020-10-29 11:28:22
○ 2026-07-28 20:25:52
○NSns.forpsi.net2015-08-01 → 2017-01-16 · 4 obs
● 2017-01-16 13:15:36
○ 2020-10-29 11:28:22
○ 2026-07-28 20:25:52
○NSns.wedos.com2020-10-29 → 2020-10-29 · 4 obs
● 2020-10-29 11:28:22
○ 2021-09-19 07:59:34
○ 2026-07-28 20:25:52
○NSns.wedos.eu2020-10-29 → 2020-10-29 · 4 obs
● 2020-10-29 11:28:22
○ 2021-09-19 07:59:34
○ 2026-07-28 20:25:52
●NSns1.thinline.cz2026-06-28 → 2026-07-28 · 3 obs
● 2026-06-28 20:54:04
● 2026-07-28 20:25:52
●NSns2.thinline.cz2026-06-28 → 2026-07-28 · 3 obs
● 2026-06-28 20:54:04
● 2026-07-28 20:25:52
●NSns3.cesky-hosting.eu2026-06-28 → 2026-07-28 · 3 obs
● 2026-06-28 20:54:04
● 2026-07-28 20:25:52
○MXmail.gohost.cz2021-09-19 → 2021-09-19 · 4 obs
● 2021-09-19 07:59:34
○ 2026-06-28 20:54:04
○ 2026-07-28 20:25:52
○MXmxavas.forpsi.com2015-08-01 → 2017-01-16 · 4 obs
● 2017-01-16 13:15:36
○ 2020-10-29 11:28:22
○ 2026-07-28 20:25:52
○A2001:41d0:302:2100::5ca62021-09-19 → 2021-09-19 · 4 obs
● 2021-09-19 07:59:34
○ 2026-06-28 20:54:04
○ 2026-07-28 20:25:52
●A2001:67c:e94:1:1:5bef:cb62:12026-06-28 → 2026-07-28 · 3 obs
● 2026-06-28 20:54:04
● 2026-07-28 20:25:52
○A217.31.49.1262017-01-16 → 2017-01-16 · 4 obs
● 2017-01-16 13:15:36
○ 2020-10-29 11:28:22
○ 2026-07-28 20:25:52
○A46.28.105.22020-10-29 → 2020-10-29 · 4 obs
● 2020-10-29 11:28:22
○ 2021-09-19 07:59:34
○ 2026-07-28 20:25:52
○A79.137.34.1032021-09-19 → 2021-09-19 · 4 obs
● 2021-09-19 07:59:34
○ 2026-06-28 20:54:04
○ 2026-07-28 20:25:52
○A81.2.194.642015-08-01 → 2016-10-15 · 4 obs
● 2016-10-15 13:54:50
○ 2017-01-16 13:15:36
○ 2026-07-28 20:25:52
●A91.239.203.982026-06-28 → 2026-07-28 · 3 obs
● 2026-06-28 20:54:04
● 2026-07-28 20:25:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | b.ns.nic.cz, a.ns.nic.cz, d.ns.nic.cz, c.ns.nic.cz | - |
| ifw.cz | ns1.thinline.cz, ns2.thinline.cz, ns3.cesky-hosting.eu | 4 records |
✅ Authoritative Response
Server:91.239.200.243
NS records: ns1.thinline.cz, ns2.thinline.cz, ns3.cesky-hosting.eu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ifw.cz (unsigned zone)
⏱️ Timing
Total: 1992ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.239.203.98 |
| AAAA | 1 | 2001:67c:e94:1:1:5bef:cb62:1 |
| NS | 3 | ns1.thinline.cz, ns3.cesky-hosting.eu... |
| TXT | 1 | v=spf1 a include:spf.cesky-hosting.cz -a |
| SOA | 1 | ns1.thinline.cz hostmaster.ifw.cz |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns2.thinline.cz, ns1.thinline.cz, ns2.thinline.cz...)
Analysis
IP Addresses
ifw.cz directs to two IP numbers, 91.239.203.98 and 2001:67c:e94:1:1:5bef:cb62:1
Among the host names that share IP numbers with ifw.cz are pku-dieta.cz, replikant4366.thinline.cz, pepegym.cz and two others.
Name Servers
The authoritative name servers for ifw.cz are ns1.thinline.cz, ns2.thinline.cz and ns3.cesky-hosting.eu — three in total.
ifw.cz has at least partial name server overlap with other domains, such as wolvesfcnews.com, relaxnamax.cz, lavadome.org and two others.
ns1.thinline.cz, ns2.thinline.cz and ns3.cesky-hosting.eu all resolve to exactly two IP numbers apiece: ns1.thinline.cz → 91.239.200.243 and 2001:67c:e94:0:1:5bef:c8f3:1; ns2.thinline.cz → 82.100.6.2 and 2001:4de8:fa22:0:1:5264:602:1; ns3.cesky-hosting.eu → 91.239.202.18 and 2001:67c:e94:1:1:5bef:ca12:1.