zeisscenter.com - robtex.com
zeisscenter.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 164.138.221.91🇧🇬 SUPERHOSTING_AS164.138.220.0/23 SuperHosting.BG Ltd | ||||||
| PTR | joyoptic.superdnsserver.net | ||||||
| NS | ns1-221-91.superdnsserver.net ⭐ | ||||||
| A | 164.138.221.91🇧🇬 SUPERHOSTING_AS164.138.220.0/23 SuperHosting.BG Ltd | ||||||
| PTR | joyoptic.superdnsserver.net | ||||||
| NS | ns2-221-91.superdnsserver.net | ||||||
| A | 164.138.221.91🇧🇬 SUPERHOSTING_AS164.138.220.0/23 SuperHosting.BG Ltd | ||||||
| PTR | joyoptic.superdnsserver.net | ||||||
| MX | mail.zeisscenter.com ⭐ | ||||||
| A | 164.138.216.51🇧🇬 SUPERHOSTING_AS164.138.216.0/23 SuperHosting.BG Ltd | ||||||
| PTR | vistbgop.superdnsserver.net | ||||||
| TXT | v=spf1 +a +mx +ip4:164.138.221.91 +include:izida.spf.superhosting.bg +include... | ||||||
| SOA | ns1-221-91.superdnsserver.netmonitoring@superhosting.bg 2026-02-13 #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=1776019902 | ||||||
Previously MX for
zeisscenter.com |
Subdomains
mail.zeisscenter.com |
Same first word
zeisscenter.bg |
zeisscenter.com |
Similar names
DNS History
8 records (4 active, 4 former)
●NSns1-221-91.superdnsserver.net2016-09-12 → 2026-04-12 · 3 obs
● 2016-09-12 08:13:30
● 2026-04-12 19:11:48
●NSns2-221-91.superdnsserver.net2016-09-12 → 2026-04-12 · 3 obs
● 2016-09-12 08:13:30
● 2026-04-12 19:11:48
○NSns77.superhosting.bg2015-06-12 → 2016-04-03 · 4 obs
● 2016-04-03 21:47:32
○ 2016-09-12 08:13:30
○ 2026-04-12 19:11:48
○NSns78.superhosting.bg2015-06-12 → 2016-04-03 · 4 obs
● 2016-04-03 21:47:32
○ 2016-09-12 08:13:30
○ 2026-04-12 19:11:48
●MXmail.zeisscenter.com2026-02-18 → 2026-04-12 · 3 obs
● 2026-02-18 06:04:24
● 2026-04-12 19:11:48
○MXzeisscenter.com2015-06-12 → 2018-01-30 · 4 obs
● 2018-01-30 09:40:28
○ 2026-02-18 06:04:24
○ 2026-04-12 19:11:48
●A164.138.221.912016-09-12 → 2026-04-12 · 3 obs
● 2016-09-12 08:13:30
● 2026-04-12 19:11:48
○A193.107.68.1132015-06-12 → 2016-04-03 · 4 obs
● 2016-04-03 21:47:32
○ 2016-09-12 08:13:30
○ 2026-04-12 19:11:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, a.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net... | - |
| zeisscenter.com | ns1-221-91.superdnsserver.net, ns2-221-91.superdnsserver.net | - |
✅ Authoritative Response
Server:164.138.221.91
NS records: ns1-221-91.superdnsserver.net, ns2-221-91.superdnsserver.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for zeisscenter.com (unsigned zone)
⏱️ Timing
Total: 753ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 164.138.221.91 |
| NS | 2 | ns2-221-91.superdnsserver.net, ns1-221-91.superdnsserver.net |
| MX | 1 | mail.zeisscenter.com (pri: 0) |
| TXT | 1 | v=spf1 +a +mx +ip4:164.138.221.91 +inclu |
| SOA | 1 | ns1-221-91.superdnsserver.net monitoring |
Analysis
Hierarchy
The parent of mail.zeisscenter.com is zeisscenter.com.
IP Addresses
zeisscenter.com points to a single IP address: 164.138.221.91.
Other host names such as grandoptics.eu, xn--80aawgchndbdh0b.com, kidoptics.com, ns2-221-91.superdnsserver.net and joyoptic.superdnsserver.net share IPs with zeisscenter.com.
Name Servers
Two name servers ns1-221-91.superdnsserver.net and ns2-221-91.superdnsserver.net handle the delegation for zeisscenter.com.
zeisscenter.com shares the same name server setup as other domains, for example xn--80aawgchndbdh0b.com, zeisscenter.bg, kidoptics.com, kodak.bg and grandoptics-bg.com.
Host names with a single IP:
ns1-221-91.superdnsserver.net points to 164.138.221.91.
ns2-221-91.superdnsserver.net points to 164.138.221.91.
Host names pointing to 164.138.221.91: ns1-221-91.superdnsserver.net and ns2-221-91.superdnsserver.net.
Mail Servers
The mail.zeisscenter.com mail server handles zeisscenter.com.
mail.zeisscenter.com points to a single IP number: 164.138.216.51.