esr-online.com - robtex.com
esr-online.com
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=1778459851 | ||||||
Subdomains
mail2.esr-online.com |
Same first word
esr-online.com |
esr-online.de |
Similar names
DNS History
8 records (8 active, 0 former)
●NSns1026.ui-dns.com2026-05-08 → 2026-05-11 · 2 obs
● 2026-05-11 00:48:22
●NSns1051.ui-dns.biz2026-05-08 → 2026-05-11 · 2 obs
● 2026-05-11 00:48:22
●NSns1078.ui-dns.org2026-05-08 → 2026-05-11 · 2 obs
● 2026-05-11 00:48:22
●A2001:8d8:8b6:b22f:3dde:e8f0:dea0:02026-05-08 → 2026-05-11 · 2 obs
● 2026-05-11 00:48:22
●A87.106.214.732026-05-08 → 2026-05-11 · 2 obs
● 2026-05-11 00:48:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| esr-online.com | ns1051.ui-dns.biz, ns1078.ui-dns.org, ns1105.ui-dns.de, ns1026.ui-dns.com | 2 records |
✅ Authoritative Response
Server:185.132.32.105
NS records: ns1051.ui-dns.biz, ns1078.ui-dns.org, ns1105.ui-dns.de, ns1026.ui-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for esr-online.com (unsigned zone)
⏱️ Timing
Total: 562ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 87.106.214.73 |
| AAAA | 1 | 2001:8d8:8b6:b22f:3dde:e8f0:dea0:0 |
| NS | 4 | ns1026.ui-dns.com, ns1105.ui-dns.de... |
| MX | 2 | mx01.ionos.de (pri: 10), mx00.ionos.de (pri: 10) |
| TXT | 1 | v=spf1 include:_spf-eu.ionos.com ~all |
| SOA | 1 | ns1105.ui-dns.de hostmaster.1und1.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1026.ui-dns.com, ns1026.ui-dns.com)
Analysis
Hierarchy
esr-online.com is parent of mail2.esr-online.com.
IP Addresses
esr-online.com points to two IP numbers: 2001:8d8:8b6:b22f:3dde:e8f0:dea0:0 and 87.106.214.73.
Other host names, for instance mail2.esr-online.com, enexion.name, enexion.info, enexion.nl and mail2.parpan.de share IP numbers with esr-online.com.
Name Servers
esr-online.com is delegated to four name servers: ns1051.ui-dns.biz, ns1026.ui-dns.com, ns1105.ui-dns.de and ns1078.ui-dns.org.
esr-online.com at least partially shares its name servers with other domains, for instance writeanswer.info, masterdataplus.com, gluecksband.de, genprov.com and meh.co.
These name servers are commonly used with ns1051.ui-dns.com, ns1078.ui-dns.biz, ns1078.ui-dns.com, ns1078.ui-dns.de, ns1051.ui-dns.de, ns1051.ui-dns.org, ns1026.ui-dns.org, ns1026.ui-dns.biz, ns1026.ui-dns.de and ns1105.ui-dns.biz.
Host names with three IP numbers:
ns1105.ui-dns.de points to 2607:f1c0:fe:53:185:132:32:105, 185.132.32.105 and 217.160.80.105.
Host names with two IP numbers:
ns1051.ui-dns.biz points to 2001:8d8:fe:53:0:d9a0:5133:100 and 217.160.81.51.
ns1026.ui-dns.com points to 2001:8d8:fe:53:0:d9a0:521a:100 and 217.160.82.26.
ns1078.ui-dns.org points to 2001:8d8:fe:53:0:d9a0:534e:100 and 217.160.83.78.
Mail Servers
Two mail servers mx00.ionos.de and mx01.ionos.de handle esr-online.com.
esr-online.com uses the same mail server setup as other domains such as marianmeder.de, moreta.de, bb-design-for-kids.de, rs-portal.de and dentalreisen.de.
Host names with a single IP:
mx00.ionos.de resolves to 212.227.15.41.
mx01.ionos.de resolves to 217.72.192.67.