zib21.com - robtex.com
zib21.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 217.154.238.35🇬🇧 IONOS-AS217.154.238.0/23 IONOS SE | ||||||
| PTR | ip217.154.238-35.pbiaas.com | ||||||
| NS | ns1.zib21.com ⭐ | ||||||
| A | 217.154.238.35🇬🇧 IONOS-AS217.154.238.0/23 IONOS SE | ||||||
| PTR | ip217.154.238-35.pbiaas.com | ||||||
| NS | ns2.zib21.com | ||||||
| A | 217.154.238.35🇬🇧 IONOS-AS217.154.238.0/23 IONOS SE | ||||||
| PTR | ip217.154.238-35.pbiaas.com | ||||||
| MX | mail.zib21.com ⭐ | ||||||
| A | 217.154.238.35🇬🇧 IONOS-AS217.154.238.0/23 IONOS SE | ||||||
| PTR | ip217.154.238-35.pbiaas.com | ||||||
| TXT | v=spf1 +a +mx +a:happy-blackburn.217-154-238-35.plesk.page -all | ||||||
| SOA | ns1.zib21.comeberhard\@lauth.netzkundig.com 2026-02-28 #1 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1775210592 | ||||||
Subdomains
Same first word
zib21.com |
Similar names
DNS History
7 records (4 active, 3 former)
○NSns1.world4you.at2015-07-11 → 2018-06-24 · 4 obs
● 2018-06-24 12:44:02
○ 2026-03-08 16:55:14
○ 2026-04-03 10:09:14
●NSns1.zib21.com2026-03-08 → 2026-04-03 · 3 obs
● 2026-03-08 16:55:14
● 2026-04-03 10:09:14
○NSns2.world4you.at2015-07-11 → 2018-06-24 · 4 obs
● 2018-06-24 12:44:02
○ 2026-03-08 16:55:14
○ 2026-04-03 10:09:14
●NSns2.zib21.com2026-03-08 → 2026-04-03 · 3 obs
● 2026-03-08 16:55:14
● 2026-04-03 10:09:14
●MXmail.zib21.com2015-07-11 → 2026-04-03 · 2 obs
● 2026-04-03 10:09:14
●A217.154.238.352026-03-08 → 2026-04-03 · 3 obs
● 2026-03-08 16:55:14
● 2026-04-03 10:09:14
○A81.19.145.1512015-07-11 → 2018-06-24 · 4 obs
● 2018-06-24 12:44:02
○ 2026-03-08 16:55:14
○ 2026-04-03 10:09:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, c.gtld-servers.net, b.gtld-servers.net, e.gtld-servers.net... | - |
| zib21.com | ns1.zib21.com, ns2.zib21.com | 2 records |
✅ Authoritative Response
Server:217.154.238.35
NS records: ns1.zib21.com, ns2.zib21.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for zib21.com (unsigned zone)
⏱️ Timing
Total: 276ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.154.238.35 |
| NS | 2 | ns1.zib21.com, ns2.zib21.com |
| MX | 1 | mail.zib21.com (pri: 10) |
| TXT | 1 | v=spf1 +a +mx +a:happy-blackburn.217-154 |
| SOA | 1 | ns1.zib21.com eberhard\.lauth.netzkundig |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns1.zib21.com, ns2.zib21.com)
Analysis
Hierarchy
zib21.com has children ns1.zib21.com, ns2.zib21.com and mail.zib21.com.
IP Addresses
zib21.com resolves to a single IP: 217.154.238.35.
Other host names, for instance ns2.zib21.com, mail.zib21.com, ns2.netzkundig.com, ip217.154.238-35.pbiaas.com and ns1.zib21.com share IP numbers with zib21.com.
Name Servers
zib21.com has two name servers: ns1.zib21.com and ns2.zib21.com.
Host names with one IP number:
ns1.zib21.com points to: 217.154.238.35
ns2.zib21.com points to: 217.154.238.35
Names pointing to 217.154.238.35: ns1.zib21.com and ns2.zib21.com
Mail Servers
zib21.com is handled by a single mail server, mail.zib21.com.
Host name mail.zib21.com points to IP 217.154.238.35.