flat4.org - dns.ninja
flat4.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 217.11.237.180🇨🇿 WIA-AS217.11.237.0/24 CASA to WIA transfer | ||||||
| PTR | monkey7.securenet.cz | ||||||
| NS | gekon.securenet.cz ⭐ | ||||||
| A | 217.11.249.20🇨🇿 CASABLANCA-AS217.11.248.0/23 Casablanca INT | ||||||
| PTR | gekon9.securenet.cz | ||||||
| NS | jaguar.securenet.cz | ||||||
| A | 217.11.230.34🇨🇿 CASABLANCA-AS217.11.230.0/24 Casablanca INT | ||||||
| PTR | jaguar.securenet.cz | ||||||
| NS | leguan.securenet.cz | ||||||
| A | 83.167.247.96🇨🇿 MASTER-AS83.167.224.0/19 MASTER-NET-5 | ||||||
| PTR | leguan9.securenet.cz | ||||||
| MX | mx1.securenet.cz ⭐ | ||||||
| A | 217.11.249.20🇨🇿 CASABLANCA-AS217.11.248.0/23 Casablanca INT | ||||||
| PTR | gekon9.securenet.cz | ||||||
| MX | mx2.securenet.cz ⭐ | ||||||
| A | 83.167.247.96🇨🇿 MASTER-AS83.167.224.0/19 MASTER-NET-5 | ||||||
| PTR | leguan9.securenet.cz | ||||||
| TXT | v=spf1 mx ip4:217.11.237.176/29 ip4:217.11.249.16/29 -all | ||||||
| SOA | gekon.securenet.czjirasko@securenet.cz 2024-03-20 #1 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1786609969 | ||||||
Same first word
Similar names
4flat.net |
altf4.es |
altf4.ch |
altf4.immo |
altf4.org |
altf4.co |
altf4.se |
altf4.ru |
altf4.online |
4flat.info |
altf4.at |
altf4.pt |
altf4.com |
altf4.com.au |
altf4.be |
4flat.de |
4falt.com |
altf4.it |
4flat.com |
4falt.de |
DNS History
11 records (6 active, 5 former)
●NSgekon.securenet.cz2026-03-19 → 2026-08-13 · 3 obs
● 2026-03-19 21:36:22
● 2026-08-13 09:02:24
●NSjaguar.securenet.cz2015-05-08 → 2026-08-13 · 2 obs
● 2026-08-13 09:02:24
●NSleguan.securenet.cz2015-05-08 → 2026-08-13 · 2 obs
● 2026-08-13 09:02:24
○NSmonkey.securenet.cz2015-05-08 → 2017-02-13 · 4 obs
● 2017-02-13 08:39:42
○ 2026-03-19 21:36:22
○ 2026-08-13 09:02:24
○MXleguan.securenet.cz2015-05-08 → 2017-02-13 · 4 obs
● 2017-02-13 08:39:42
○ 2026-03-19 21:36:22
○ 2026-08-13 09:02:24
○MXmonkey.securenet.cz2015-05-08 → 2016-05-07 · 4 obs
● 2016-05-07 11:03:12
○ 2017-02-13 08:39:42
○ 2026-08-13 09:02:24
●MXmx1.securenet.cz2026-03-19 → 2026-08-13 · 3 obs
● 2026-03-19 21:36:22
● 2026-08-13 09:02:24
●MXmx2.securenet.cz2026-03-19 → 2026-08-13 · 3 obs
● 2026-03-19 21:36:22
● 2026-08-13 09:02:24
○MXpigeon.securenet.cz2017-02-13 → 2017-02-13 · 4 obs
● 2017-02-13 08:39:42
○ 2026-03-19 21:36:22
○ 2026-08-13 09:02:24
○A217.11.237.1772015-05-08 → 2017-02-13 · 4 obs
● 2017-02-13 08:39:42
○ 2026-03-19 21:36:22
○ 2026-08-13 09:02:24
●A217.11.237.1802026-03-19 → 2026-08-13 · 3 obs
● 2026-03-19 21:36:22
● 2026-08-13 09:02:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| flat4.org | gekon.securenet.cz, jaguar.securenet.cz, leguan.securenet.cz | - |
✅ Authoritative Response
Server:217.11.249.20
NS records: gekon.securenet.cz, jaguar.securenet.cz, leguan.securenet.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for flat4.org (unsigned zone)
⏱️ Timing
Total: 718ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.11.237.180 |
| NS | 3 | gekon.securenet.cz, jaguar.securenet.cz... |
| MX | 2 | mx1.securenet.cz (pri: 10), mx2.securenet.cz (pri: 10) |
| TXT | 1 | v=spf1 mx ip4:217.11.237.176/29 ip4:217. |
| SOA | 1 | gekon.securenet.cz jirasko.securenet.cz |
Analysis
IP Addresses
flat4.org points to a single IP number: 217.11.237.180.
Additional host names — avery-dennison.sk, allencoding.sk, jirasko.com and two others — share IP numbers with flat4.org.
Name Servers
flat4.org has three name servers — gekon.securenet.cz, jaguar.securenet.cz and leguan.securenet.cz.
There is at least partial name server overlap between flat4.org and other domains — mozarthof.de, agseafood.cz, vpnrouter.cz and two more among them.
Each of the three hostnames points to exactly one IP address: gekon.securenet.cz points to 217.11.249.20, jaguar.securenet.cz points to 217.11.230.34 and leguan.securenet.cz points to 83.167.247.96.
Mail Servers
flat4.org has two mail servers: mx1.securenet.cz and mx2.securenet.cz.
flat4.org shares the same mail server setup as other domains, including klinec.cz, tsezlin.cz, jirasko.com and two others.
mx1.securenet.cz → 217.11.249.20 and mx2.securenet.cz → 83.167.247.96: one IP number per host name.