fub-it.de - robtex.com
fub-it.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 212.223.26.250🇩🇪 ratiokontakt212.223.0.0/16 GmbH | ||||||
| PTR | linux06.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.fub-it.de ⭐ | ||||||
| A | 212.223.165.71🇩🇪 ratiokontakt212.223.0.0/16 GmbH | ||||||
| PTR | frontend.clustermail.de | ||||||
| SOA | ns12.nameserver.dednsmaster@ns12.nameserver.de 2018-10-09 #0 | ||||||
de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | f.nic.de ⭐ | ||||||
| NS | a.nic.de | ||||||
| NS | l.de.net ⚠️ Not in parent delegation | ||||||
| NS | n.de.net ⚠️ Not in parent delegation | ||||||
| NS | s.de.net ⚠️ Not in parent delegation | ||||||
| NS | z.nic.de | ||||||
| SOA | f.nic.dedns-operations@denic.de serial=1774702105 | ||||||
Subdomains
mail.fub-it.de |
DNS History
5 records (4 active, 1 former)
●NSns11.nameserver.de2015-07-12 → 2026-03-28 · 2 obs
● 2026-03-28 13:01:50
●NSns12.nameserver.de2015-07-12 → 2026-03-28 · 2 obs
● 2026-03-28 13:01:50
●MXmail.fub-it.de2015-07-12 → 2026-03-28 · 2 obs
● 2026-03-28 13:01:50
○A212.223.122.1532015-07-12 → 2017-12-02 · 4 obs
● 2017-12-02 22:34:54
○ 2026-03-28 13:01:48
○ 2026-03-28 13:01:50
●A212.223.26.2502026-03-28 → 2026-03-28 · 3 obs
● 2026-03-28 13:01:48
● 2026-03-28 13:01:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| fub-it.de | ns11.nameserver.de, ns12.nameserver.de | 4 records |
✅ Authoritative Response
Server:212.223.44.219
NS records: ns11.nameserver.de, ns12.nameserver.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fub-it.de (unsigned zone)
⏱️ Timing
Total: 684ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 212.223.26.250 |
| NS | 2 | ns11.nameserver.de, ns12.nameserver.de |
| MX | 1 | mail.fub-it.de (pri: 10) |
| SOA | 1 | ns12.nameserver.de dnsmaster.ns12.namese |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns11.nameserver.de, ns12.nameserver.de, ns11.nameserver.de...)
Analysis
Hierarchy
mail.fub-it.de is a child of fub-it.de.
IP Addresses
fub-it.de resolves to one IP number: 212.223.26.250.
Other host names, for instance mail.seniorensingletreff.de, ggvu.de, vetexpress.eu, fotografenportal.de and www.oerotikshop.de share IP numbers with fub-it.de.
Name Servers
fub-it.de's delegation uses two name servers: ns11.nameserver.de and ns12.nameserver.de.
fub-it.de uses the same name server setup as other domains, such as eco-wco.de, ezfx.de, lou-i.com, mittelspannungsanlagen.de and naturfreunde-eibach.de.
fub-it.de shares name servers with other domains at least partially, for example distl.com, hesse-instruments.de and diskom.com.
These name servers are often used with ns.nameserver7.de and ns.nameserver8.de.
Host names with two IPs:
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
A single mail server handles fub-it.de, mail.fub-it.de.
Host name mail.fub-it.de resolves to a single IP: 212.223.165.71.