retentionbarriers.net - robtex.com
retentionbarriers.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 212.223.15.194🇩🇪 ratiokontakt212.223.0.0/16 GmbH | ||||||
| PTR | linux05.rw.serviceprovider.de | ||||||
| NS | ns12.nameserver.de ⭐ | ||||||
| A | 2a02:708:0:25::2🇩🇪 ratiokontakt2a02:708::/32 GmbH | ||||||
| PTR | ns12.nameserver.de | ||||||
| A | 212.223.44.220🇩🇪 ratiokontakt212.223.0.0/16 GmbH | ||||||
| PTR | ns12.nameserver.de | ||||||
| NS | ns11.nameserver.de | ||||||
| A | 2a02:708:0:26::2🇩🇪 ratiokontakt2a02:708::/32 GmbH | ||||||
| PTR | ns11.nameserver.de | ||||||
| A | 212.223.44.219🇩🇪 ratiokontakt212.223.0.0/16 GmbH | ||||||
| PTR | ns11.nameserver.de | ||||||
| MX | mail-in.retentionbarriers.net ⭐ | ||||||
| A | 212.223.165.71🇩🇪 ratiokontakt212.223.0.0/16 GmbH | ||||||
| PTR | frontend.clustermail.de | ||||||
| SOA | ns12.nameserver.dednsmaster@ns12.nameserver.de 2018-01-04 #1 | ||||||
net
| 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=1776158532 | ||||||
Subdomains
mail-in.retentionbarriers.net |
Same first word
retentionbarriers.net |
DNS History
6 records (4 active, 2 former)
●NSns11.nameserver.de2015-06-19 → 2026-04-14 · 2 obs
● 2026-04-14 09:35:54
●NSns12.nameserver.de2015-06-19 → 2026-04-14 · 2 obs
● 2026-04-14 09:35:54
●MXmail-in.retentionbarriers.net2015-06-19 → 2026-04-14 · 2 obs
● 2026-04-14 09:35:54
○A212.223.122.1532016-12-29 → 2017-12-04 · 5 obs
● 2016-12-29 22:04:32
● 2017-12-04 13:08:04
○ 2026-02-15 08:13:48
○ 2026-04-14 09:35:54
○A212.223.131.1462015-06-19 → 2016-04-27 · 4 obs
● 2016-04-27 02:29:56
○ 2016-12-29 22:04:32
○ 2026-04-14 09:35:54
●A212.223.15.1942026-02-15 → 2026-04-14 · 3 obs
● 2026-02-15 08:13:48
● 2026-04-14 09:35:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | l.gtld-servers.net, g.gtld-servers.net, d.gtld-servers.net, i.gtld-servers.net... | - |
| retentionbarriers.net | ns11.nameserver.de, ns12.nameserver.de | - |
✅ Authoritative Response
Server:212.223.44.220
NS records: ns11.nameserver.de, ns12.nameserver.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for retentionbarriers.net (unsigned zone)
⏱️ Timing
Total: 1129ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 212.223.15.194 |
| NS | 2 | ns11.nameserver.de, ns12.nameserver.de |
| MX | 1 | mail-in.retentionbarriers.net (pri: 10) |
| SOA | 1 | ns12.nameserver.de dnsmaster.ns12.namese |
Analysis
Hierarchy
The parent of mail-in.retentionbarriers.net is retentionbarriers.net.
IP Addresses
retentionbarriers.net points to a single IP address: 212.223.15.194.
Other host names such as holzbau-woidy.de, mail.holgerbusch.info, ballpen.de, loeschwasserbarriere.eu and miniserve.de share IPs with retentionbarriers.net.
Name Servers
Two name servers ns11.nameserver.de and ns12.nameserver.de handle the delegation for retentionbarriers.net.
retentionbarriers.net shares the same name server setup as other domains, for example usbbackup.de, s-b.de, glshrz.net, ratiocontact.de and fachklinik-edelsberg.de.
retentionbarriers.net shares name servers with other domains at least partially, for instance laserfabrik.com.
Host names with two IP numbers:
ns11.nameserver.de points to 2a02:708:0:26::2 and 212.223.44.219.
ns12.nameserver.de points to 2a02:708:0:25::2 and 212.223.44.220.
Mail Servers
The mail-in.retentionbarriers.net mail server handles retentionbarriers.net.
mail-in.retentionbarriers.net points to a single IP number: 212.223.165.71.