c0ncep1.com - robtex.com
c0ncep1.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 217.154.204.11🇬🇧 IONOS-AS217.154.192.0/20 IONOS SE | ||||||
| PTR | web3.concept01.net | ||||||
| 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 | mail.c0ncep1.com ⭐ | ||||||
| A | 2a01:239:362:3f00::1🇩🇪 IONOS-AS2a01:239::/32 IONOS SE ber.de | ||||||
| A | 87.106.129.121🇩🇪 IONOS-AS87.106.129.0/24 IONOS SE ber.de | ||||||
| PTR | mail.c0ncep1.com | ||||||
| MX | relay.rzone.de(100) | ||||||
| A | 81.169.145.96🇩🇪 STRATO81.169.144.0/22 AG | ||||||
| PTR | relay.rzone.de | ||||||
| TXT | v=spf1 mx ~all | ||||||
| SOA | ns4.stratoserver.nethostmaster@strato-rz.de 2020-05-19 #11 | ||||||
com
| 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=1778762241 | ||||||
Previously MX for
c0ncep1.com |
Subdomains
Same first word
DNS History
7 records (5 active, 2 former)
●NSns3.stratoserver.net2018-06-05 → 2026-05-14 · 2 obs
● 2026-05-14 12:48:36
●NSns4.stratoserver.net2018-06-05 → 2026-05-14 · 2 obs
● 2026-05-14 12:48:36
○MXc0ncep1.com2018-06-05 → 2018-06-05 · 3 obs
○ 2026-02-15 06:23:20
○ 2026-05-14 12:48:36
●MXmail.c0ncep1.com2026-02-15 → 2026-05-14 · 3 obs
● 2026-02-15 06:23:20
● 2026-05-14 12:48:36
●MXrelay.rzone.de2026-02-15 → 2026-05-14 · 3 obs
● 2026-02-15 06:23:20
● 2026-05-14 12:48:36
●A217.154.204.112026-02-15 → 2026-05-14 · 3 obs
● 2026-02-15 06:23:20
● 2026-05-14 12:48:36
○A85.214.47.2382018-06-05 → 2018-06-05 · 3 obs
○ 2026-02-15 06:23:20
○ 2026-05-14 12:48:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, b.gtld-servers.net, j.gtld-servers.net, c.gtld-servers.net... | - |
| c0ncep1.com | ns3.stratoserver.net, ns4.stratoserver.net | - |
✅ Authoritative Response
Server:185.132.34.159
NS records: ns3.stratoserver.net, ns4.stratoserver.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for c0ncep1.com (unsigned zone)
⏱️ Timing
Total: 553ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.154.204.11 |
| NS | 2 | ns3.stratoserver.net, ns4.stratoserver.net |
| MX | 2 | mail.c0ncep1.com (pri: 10), relay.rzone.de (pri: 100) |
| TXT | 1 | v=spf1 mx ~all |
| SOA | 1 | ns4.stratoserver.net hostmaster.strato-r |
Analysis
Hierarchy
c0ncep1.com is a parent of mail.c0ncep1.com and nrw.c0ncep1.com.
IP Addresses
c0ncep1.com maps to IP address 217.154.204.11.
Other host names, for instance c01.de, c0ncep1.de, concept01.net, web3.concept01.net and bayrhof.eu share IP numbers with c0ncep1.com.
Name Servers
Two name servers ns3.stratoserver.net and ns4.stratoserver.net are delegated to c0ncep1.com.
c0ncep1.com uses the same name server configuration as other domains, such as logozilla.de, vrbank-nbg.de, ottokessler.de, chrislam.nl and yonikorn.com.
Host names with two IPs:
ns3.stratoserver.net points to 2607:f1c0:fe:53:185:132:34:159 and 185.132.34.159.
ns4.stratoserver.net points to 2001:8d8:fe:53:5747:2a74:d:32 and 217.160.80.159.
Mail Servers
Two mail servers handle c0ncep1.com: mail.c0ncep1.com and relay.rzone.de.
c0ncep1.com shares mail servers with other domains at least in part, for instance klattenberg.com, gebaeudereinigung-wetzig.de, mailcity.de, mortemerio.nl and becker.pink.
These mail servers are commonly used together with aspmx.l.google.com and alt1.aspmx.l.google.com.
Host names by IP count:
Two IP numbers: The host name mail.c0ncep1.com points to 2a01:239:362:3f00::1 and 87.106.129.121.
One IP number: The host name relay.rzone.de points to 81.169.145.96.