cor23.de - robtex.com
cor23.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.136.8.144🇨🇦 INFB-AS911591.136.0.0/17 Internet Names For Business | ||||||
| PTR | hostedc52.megawebservers.eu | ||||||
| NS | ns1.telefonica.de ⭐ | ||||||
| A | 62.53.237.12🇩🇪 TDDE-ASN162.52.0.0/14 Telefonica Deutschland GmbH | ||||||
| PTR | ns1.telefonica.de | ||||||
| NS | ns2.telefonica.de | ||||||
| A | 213.20.172.204🇩🇪 TDDE-ASN1213.20.0.0/16 Telefonica Deutschland GmbH | ||||||
| PTR | ns2.telefonica.de | ||||||
| NS | ns3.telefonica.de | ||||||
| A | 195.71.243.188🇩🇪 TDDE-ASN1195.71.0.0/16 Telefonica Germany GmbH & Co. OHG | ||||||
| PTR | ns3.telefonica.de | ||||||
| MX | mx.alice-dsl.net ⭐ | ||||||
| A | 91.136.8.194🇨🇦 INFB-AS911591.136.0.0/17 Internet Names For Business | ||||||
| PTR | mx1c52.megamailservers.eu | ||||||
| SOA | ns1.telefonica.dehostmaster@telefonica.de serial=157 | ||||||
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=1773553752 | ||||||
Same first word
cor23.de |
Similar names
DNS History
7 records (5 active, 2 former)
○NSns1.hansenet.de2015-07-15 → 2017-01-28 · 4 obs
● 2017-01-28 18:41:50
○ 2018-07-29 10:07:54
○ 2026-03-24 06:05:48
●NSns1.telefonica.de2018-07-29 → 2026-03-24 · 3 obs
● 2018-07-29 10:07:54
● 2026-03-24 06:05:48
○NSns2.hansenet.de2015-07-15 → 2017-01-28 · 4 obs
● 2017-01-28 18:41:50
○ 2018-07-29 10:07:54
○ 2026-03-24 06:05:48
●NSns2.telefonica.de2018-07-29 → 2026-03-24 · 3 obs
● 2018-07-29 10:07:54
● 2026-03-24 06:05:48
●NSns3.telefonica.de2018-07-29 → 2026-03-24 · 3 obs
● 2018-07-29 10:07:54
● 2026-03-24 06:05:48
●MXmx.alice-dsl.net2015-07-15 → 2026-03-24 · 2 obs
● 2026-03-24 06:05:48
●A91.136.8.1442015-07-15 → 2026-03-24 · 2 obs
● 2026-03-24 06:05:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| cor23.de | ns3.telefonica.de, ns2.telefonica.de, ns1.telefonica.de | 3 records |
✅ Authoritative Response
Server:195.71.243.188
NS records: ns3.telefonica.de, ns2.telefonica.de, ns1.telefonica.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cor23.de (unsigned zone)
⏱️ Timing
Total: 632ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.136.8.144 |
| NS | 3 | ns3.telefonica.de, ns1.telefonica.de... |
| MX | 1 | mx.alice-dsl.net (pri: 10) |
| SOA | 1 | ns1.telefonica.de hostmaster.telefonica. |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns3.telefonica.de, ns2.telefonica.de, ns1.telefonica.de)
Analysis
IP Addresses
cor23.de resolves to one IP number: 91.136.8.144.
other host names including levista.de, fadoo.de, braklow.de, heuba.de and me1ns.de share IP numbers with cor23.de.
Name Servers
cor23.de is delegated to three name servers ns1.telefonica.de, ns2.telefonica.de and ns3.telefonica.de.
cor23.de at least partially shares name servers with other domains, for instance 177.85.in-addr.arpa, faehrstieg.net, oxigen-energietherapien.de, marketingconcret.de and penga.de.
these name servers are commonly used alongside ns1.telefonica.de.lojer-hamburg.de.
Host names with one IP number: ns1.telefonica.de points to 62.53.237.12; ns2.telefonica.de points to 213.20.172.204; ns3.telefonica.de points to 195.71.243.188.
Mail Servers
cor23.de is handled by a single mail server, mx.alice-dsl.net.
cor23.de shares the same mail server setup as other domains, for instance ehrhorn.net, dierks-moorburg.de, th-voss.de, sevecke.net and restaurant-zippelhaus.de.
mx.alice-dsl.net resolves to IP 91.136.8.194.