orff.cz - robtex.com
orff.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 46.36.39.158🇨🇿 SECURITYNET-AS46.36.39.0/24 GTT-NET prefix | ||||||
| PTR | 158-39.hukot.net | ||||||
| NS | ns2.web4u.cz ⭐ | ||||||
| A | 2a02:a40:100:28ff::12🇨🇿 BlueTone-AS2a02:a40::/32 Ceske Radiokomunikace, a.s. | ||||||
| PTR | ns2.web4u.cz | ||||||
| A | 85.207.53.12🇨🇿 BlueTone-AS85.207.0.0/16 BlueTone-CRa-CZ Fourth address block | ||||||
| PTR | ns2.web4u.cz | ||||||
| NS | ns.web4u.cz | ||||||
| A | 2001:1568:fd::241🇨🇿 WEB4U2001:1568::/33 | ||||||
| PTR | ns.web4u.cz | ||||||
| A | 185.14.224.241🇨🇿 WEB4U185.14.224.0/23 | ||||||
| PTR | ns.web4u.cz | ||||||
| MX | mxavas.forpsi.com ⭐ | ||||||
| A | 81.2.195.200🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s. | ||||||
| PTR | mxavas.forpsi.com | ||||||
| TXT | v=spf1 a mx include:_spf.forpsi.com ~all | ||||||
| TXT | v=spf1 a mx include:smtp1.uservoice.com include:sparkpostmail.com ?all | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2026-03-02 #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=1785262642 | ||||||
Same first word
orff.cn |
orff.org.uk |
orff.com |
orff.com.tw |
orff.nl |
orff.net |
orff.kr |
orff.org |
orff.gr |
orff.fr |
orff.at |
orff.se |
orff.de |
orff.cz |
orff.org.cn |
orff.eu |
orff.lv |
orff.ch |
orff.it |
Similar names
DNS History
13 records (4 active, 9 former)
○NSalfa.ns.active24.cz2015-05-18 → 2015-12-11 · 4 obs
● 2015-12-11 15:34:30
○ 2016-01-07 15:27:58
○ 2026-07-28 18:46:20
○NSbeta.ns.active24.cz2015-05-18 → 2015-12-11 · 4 obs
● 2015-12-11 15:34:30
○ 2016-01-07 15:27:58
○ 2026-07-28 18:46:20
○NSgama.ns.active24.sk2015-05-18 → 2015-12-11 · 4 obs
● 2015-12-11 15:34:30
○ 2016-01-07 15:27:58
○ 2026-07-28 18:46:20
●NSns.web4u.cz2016-01-07 → 2026-07-28 · 3 obs
● 2016-01-07 15:27:58
● 2026-07-28 18:46:20
●NSns2.web4u.cz2016-01-07 → 2026-07-28 · 3 obs
● 2016-01-07 15:27:58
● 2026-07-28 18:46:20
○MXin.smtp.cz2015-05-18 → 2016-04-17 · 4 obs
● 2016-04-17 20:35:56
○ 2017-03-26 12:29:20
○ 2026-07-28 18:46:20
○MXmail4.aspone.cz2017-03-26 → 2017-03-26 · 4 obs
● 2017-03-26 12:29:20
○ 2026-06-13 05:14:26
○ 2026-07-28 18:46:20
○MXmx.smtp.cz2015-05-18 → 2016-04-17 · 4 obs
● 2016-04-17 20:35:56
○ 2017-03-26 12:29:20
○ 2026-07-28 18:46:20
●MXmxavas.forpsi.com2026-06-13 → 2026-07-28 · 3 obs
● 2026-06-13 05:14:26
● 2026-07-28 18:46:20
○A193.105.158.1802017-03-26 → 2017-03-26 · 4 obs
● 2017-03-26 12:29:20
○ 2026-06-13 05:14:26
○ 2026-07-28 18:46:20
○A2a02:4a8:ac24:129::12:1062016-01-07 → 2016-01-07 · 3 obs
○ 2016-04-17 20:35:56
○ 2026-07-28 18:46:20
○A31.15.12.1062016-01-07 → 2016-01-07 · 3 obs
○ 2016-04-17 20:35:56
○ 2026-07-28 18:46:20
●A46.36.39.1582026-06-13 → 2026-07-28 · 3 obs
● 2026-06-13 05:14:26
● 2026-07-28 18:46:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, d.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz | - |
| orff.cz | ns.web4u.cz, ns2.web4u.cz | 4 records |
✅ Authoritative Response
Server:185.14.224.241
NS records: ns.web4u.cz, ns2.web4u.cz
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1217ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 46.36.39.158 |
| NS | 2 | ns.web4u.cz, ns2.web4u.cz |
| MX | 1 | mxavas.forpsi.com (pri: 10) |
| TXT | 2 | v=spf1 a mx include:_spf.forpsi.com ~all, v=spf1 a mx include:smtp1.uservoice.com |
| SOA | 1 | ns.web4u.cz admin.web4u.cz |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns.web4u.cz, ns.web4u.cz, ns2.web4u.cz...)
Analysis
IP Addresses
orff.cz points to a single IP number: 46.36.39.158.
Additional host names — 158-39.gtt-net.cz, aksvejnoha.cz, akkorunni.cz and two others — share IP numbers with orff.cz.
Name Servers
orff.cz is delegated to two name servers: ns2.web4u.cz and ns.web4u.cz.
orff.cz shares its name server setup with other domains, including unebi.cz, simgir.com, shopross.cz and two others.
ns2.web4u.cz and ns.web4u.cz each resolve to two IP addresses: ns2.web4u.cz points to 85.207.53.12 and 2a02:a40:100:28ff::12, while ns.web4u.cz points to 185.14.224.241 and 2001:1568:fd::241.
Mail Servers
orff.cz has one mail server: mxavas.forpsi.com.
orff.cz shares the same mail server setup as other domains, including bulldogclub.cz, noco.cz, naughtyharbor.com and two others.
orff.cz shares mail servers with at least some other domains, such as go4gold.cz, liberechandball.cz and alvepal.cz.
mxavas.forpsi.com resolves to a single IP number: 81.2.195.200.