heitsch.cz - robtex.com
heitsch.cz
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.gmxnet.de ⚠️ Not in zone NS records | ||||||
| A | 2001:8d8:fe:53:217:160:80:161🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific | ||||||
| PTR | ns-ix2.ui-dns.de | ||||||
| A | 217.160.80.161🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific | ||||||
| PTR | ns-ix2.ui-dns.de | ||||||
| NS | ns2.gmxnet.de ⚠️ Not in zone NS records | ||||||
| A | 2001:8d8:fe:53:217:160:81:161🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific | ||||||
| PTR | ns-ix2.ui-dns.biz | ||||||
| A | 217.160.81.161🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific | ||||||
| PTR | ns-ix2.ui-dns.biz | ||||||
| NS | ns3.gmxnet.de ⚠️ Not in zone NS records | ||||||
| A | 2607:f1c0:fe:53:185:132:35:161🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US | ||||||
| PTR | ns-ix2.ui-dns.org | ||||||
| A | 185.132.35.161🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | ns-ix2.ui-dns.org | ||||||
| NS | ns4.gmxnet.de ⚠️ Not in zone NS records | ||||||
| A | 2607:f1c0:fe:53:185:132:34:161🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US | ||||||
| PTR | ns-ix2.ui-dns.com | ||||||
| A | 185.132.34.161🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | ns-ix2.ui-dns.com | ||||||
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=1784283443 | ||||||
Same first word
Similar names
DNS History
11 records (4 active, 7 former)
○NSns.heitsch.cz2015-05-31 → 2017-07-10 · 4 obs
● 2017-07-10 08:56:28
○ 2026-06-13 03:57:16
○ 2026-07-17 10:41:24
●NSns1.gmxnet.de2026-06-13 → 2026-07-17 · 3 obs
● 2026-06-13 03:57:16
● 2026-07-17 10:41:24
●NSns2.gmxnet.de2026-06-13 → 2026-07-17 · 3 obs
● 2026-06-13 03:57:16
● 2026-07-17 10:41:24
○NSns2.vshosting.cz2015-05-31 → 2017-07-10 · 4 obs
● 2017-07-10 08:56:28
○ 2026-06-13 03:57:16
○ 2026-07-17 10:41:24
●NSns3.gmxnet.de2026-06-13 → 2026-07-17 · 3 obs
● 2026-06-13 03:57:16
● 2026-07-17 10:41:24
●NSns4.gmxnet.de2026-06-13 → 2026-07-17 · 3 obs
● 2026-06-13 03:57:16
● 2026-07-17 10:41:24
○MXdhmx01.emig.gmx.net2026-06-13 → 2026-06-13 · 3 obs
● 2026-06-13 03:57:16
○ 2026-07-17 10:41:24
○MXdhmx02.emig.gmx.net2026-06-13 → 2026-06-13 · 3 obs
● 2026-06-13 03:57:16
○ 2026-07-17 10:41:24
○MXmail.heitsch.cz2015-05-31 → 2017-07-10 · 4 obs
● 2017-07-10 08:56:28
○ 2026-06-13 03:57:16
○ 2026-07-17 10:41:24
○A62.116.130.82026-06-13 → 2026-06-13 · 3 obs
● 2026-06-13 03:57:16
○ 2026-07-17 10:41:24
○A78.24.14.762015-05-31 → 2017-07-10 · 4 obs
● 2017-07-10 08:56:28
○ 2026-06-13 03:57:16
○ 2026-07-17 10:41:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | - |
| heitsch.cz | ns3.gmxnet.de, ns2.gmxnet.de, ns1.gmxnet.de, ns4.gmxnet.de | - |
✅ Authoritative Response
Server:185.132.35.161
NS records: ns3.gmxnet.de, ns2.gmxnet.de, ns1.gmxnet.de, ns4.gmxnet.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for heitsch.cz (unsigned zone)
⏱️ Timing
Total: 1739ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
Four name servers handle the delegation for heitsch.cz: ns1.gmxnet.de, ns2.gmxnet.de, ns3.gmxnet.de and ns4.gmxnet.de.
heitsch.cz partially shares its NS delegation with several other domains, including wedlers.de, la-crepe.de, sylt-travel.fun and two others.
ns1.gmxnet.de, ns2.gmxnet.de, ns3.gmxnet.de and ns4.gmxnet.de each carry two IP addresses. ns1.gmxnet.de has 217.160.80.161 and 2001:8d8:fe:53:217:160:80:161; ns2.gmxnet.de has 217.160.81.161 and 2001:8d8:fe:53:217:160:81:161; ns3.gmxnet.de has 185.132.35.161 and 2607:f1c0:fe:53:185:132:35:161; ns4.gmxnet.de has 185.132.34.161 and 2607:f1c0:fe:53:185:132:34:161.