tel-ko.de - robtex.com
tel-ko.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 145.253.111.75🇩🇪 VODANET145.253.0.0/16 ARCOR-IP | ||||||
| PTR | www.tel-ko.de | ||||||
| NS | ns1.arcor-ip.de ⭐ | ||||||
| A | 145.253.2.19🇩🇪 VODANET145.253.0.0/20 | ||||||
| PTR | ns1.vodafone-ip.de | ||||||
| NS | ns2.arcor-ip.de | ||||||
| A | 145.253.2.80🇩🇪 VODANET145.253.0.0/20 | ||||||
| PTR | ns2.vodafone-ip.de | ||||||
| NS | ns3.arcor-ip.de | ||||||
| A | 145.253.3.171🇩🇪 VODANET145.253.0.0/20 | ||||||
| PTR | ns3.vodafone-ip.de | ||||||
| SOA | ns1.arcor-ip.dehostmaster@adm.arcor.net 2022-03-08 #1 | ||||||
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=1775280175 | ||||||
Subdomains
www.tel-ko.de |
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
●NSns1.arcor-ip.de2015-06-12 → 2026-04-04 · 2 obs
● 2026-04-04 05:37:12
●NSns2.arcor-ip.de2015-06-12 → 2026-04-04 · 2 obs
● 2026-04-04 05:37:12
●NSns3.arcor-ip.de2015-06-12 → 2026-04-04 · 2 obs
● 2026-04-04 05:37:12
○MXmail.vodafone-ip.de2016-09-01 → 2017-06-02 · 4 obs
● 2017-06-02 05:34:58
○ 2026-03-12 18:29:34
○ 2026-04-04 05:37:12
●A145.253.111.752015-06-12 → 2026-04-04 · 2 obs
● 2026-04-04 05:37:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| tel-ko.de | ns1.arcor-ip.de, ns2.arcor-ip.de, ns3.arcor-ip.de | 3 records |
✅ Authoritative Response
Server:145.253.2.19
NS records: ns1.arcor-ip.de, ns2.arcor-ip.de, ns3.arcor-ip.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tel-ko.de (unsigned zone)
⏱️ Timing
Total: 617ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 145.253.111.75 |
| NS | 3 | ns3.arcor-ip.de, ns2.arcor-ip.de... |
| SOA | 1 | ns1.arcor-ip.de hostmaster.adm.arcor.net |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.arcor-ip.de, ns2.arcor-ip.de, ns3.arcor-ip.de)
Analysis
Hierarchy
tel-ko.de is the parent of www.tel-ko.de.
IP Addresses
tel-ko.de resolves to one IP number: 145.253.111.75.
Other host names, for instance www.tel-ko.de, share IP numbers with tel-ko.de.
Name Servers
tel-ko.de is delegated to three name servers ns1.arcor-ip.de, ns2.arcor-ip.de and ns3.arcor-ip.de.
tel-ko.de at least partially shares name servers with other domains, for instance 120.207.2.in-addr.arpa, 156.94.176.in-addr.arpa, 89.71.88.in-addr.arpa, 141.105.188.in-addr.arpa and 132.200.2.in-addr.arpa.
These name servers are commonly used alongside selene.rz.uni-duesseldorf.de and sirene.rz.uni-duesseldorf.de.
Host names with one IP number: ns1.arcor-ip.de points to 145.253.2.19; ns2.arcor-ip.de points to 145.253.2.80; ns3.arcor-ip.de points to 145.253.3.171.