cotris.de - robtex.com
cotris.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.169.239.229🇩🇪 STRATO81.169.128.0/17 AG | ||||||
| NS | ns4.stratoserver.net ⭐ | ||||||
| A | 2001:8d8:fe:53:5747:2a74:d:32🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific | ||||||
| PTR | ns4.stratoserver.net | ||||||
| A | 217.160.80.159🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific | ||||||
| PTR | ns4.stratoserver.net | ||||||
| NS | ns3.stratoserver.net | ||||||
| A | 2607:f1c0:fe:53:185:132:34:159🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US | ||||||
| PTR | ns3.stratoserver.net | ||||||
| A | 185.132.34.159🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | ns3.stratoserver.net | ||||||
| MX | cotris.de ⭐ | ||||||
| A | 81.169.239.229🇩🇪 STRATO81.169.128.0/17 AG | ||||||
| SOA | ns4.stratoserver.nethostmaster@strato-rz.de 2020-05-14 #5 | ||||||
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=1784204506 | ||||||
MX for
cotris.de |
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
○NSns.stratoserver.net2015-08-14 → 2016-06-25 · 4 obs
● 2016-06-25 17:48:34
○ 2017-05-14 01:40:40
○ 2026-07-16 12:50:54
○NSns2.stratoserver.net2015-08-14 → 2016-06-25 · 4 obs
● 2016-06-25 17:48:34
○ 2017-05-14 01:40:40
○ 2026-07-16 12:50:54
●NSns3.stratoserver.net2017-05-14 → 2026-07-16 · 3 obs
● 2017-05-14 01:40:40
● 2026-07-16 12:50:54
●NSns4.stratoserver.net2017-05-14 → 2026-07-16 · 3 obs
● 2017-05-14 01:40:40
● 2026-07-16 12:50:54
○MXcloud.cotris.com2015-08-14 → 2017-05-14 · 4 obs
● 2017-05-14 01:40:40
○ 2026-06-29 09:33:32
○ 2026-07-16 12:50:54
●MXcotris.de2026-06-29 → 2026-07-16 · 3 obs
● 2026-06-29 09:33:32
● 2026-07-16 12:50:54
○MXmail.cotris.com2015-08-14 → 2017-05-14 · 4 obs
● 2017-05-14 01:40:40
○ 2026-06-29 09:33:32
○ 2026-07-16 12:50:54
●A81.169.239.2292026-06-29 → 2026-07-16 · 3 obs
● 2026-06-29 09:33:32
● 2026-07-16 12:50:54
○A85.214.93.1142015-08-14 → 2017-05-14 · 4 obs
● 2017-05-14 01:40:40
○ 2026-06-29 09:33:32
○ 2026-07-16 12:50:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| cotris.de | ns4.stratoserver.net, ns3.stratoserver.net | - |
✅ Authoritative Response
Server:217.160.80.159
NS records: ns4.stratoserver.net, ns3.stratoserver.net
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at cotris.de: Error: DNS query timeout: 194.0.0.53 for DS cotris.de
⏱️ Timing
Total: 3982ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.169.239.229 |
| NS | 2 | ns3.stratoserver.net, ns4.stratoserver.net |
| MX | 1 | cotris.de (pri: 10) |
| SOA | 1 | ns4.stratoserver.net hostmaster.strato-r |
Analysis
Mail Server Role
cotris.de serves as a mail server for cotris.de.
IP Addresses
cotris.de has exactly one IP address — 81.169.239.229.
Name Servers
cotris.de has two authoritative name servers — ns3.stratoserver.net and ns4.stratoserver.net.
The name server configuration of cotris.de is shared with other domains, for instance dentaquick.nl, rittershaus-online.de, karibik-kreuzfahrt.net and two others.
Both ns3.stratoserver.net and ns4.stratoserver.net have two IP addresses each. ns3.stratoserver.net resolves to 185.132.34.159 and 2607:f1c0:fe:53:185:132:34:159; ns4.stratoserver.net resolves to 217.160.80.159 and 2001:8d8:fe:53:5747:2a74:d:32.
Mail Servers
cotris.de uses exactly one mail server, which is cotris.de.
cotris.de points to one IP number — 81.169.239.229.