21dev.com - robtex.com
21dev.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 45.82.189.82🇳🇱 DUOCAST-AS45.82.188.0/22 | ||||||
| PTR | shared204.cloud86-host.io | ||||||
| NS | ns1.cloud86.nl ⭐ | ||||||
| A | 2a0e:7280:0:188:13:1337:53:1🇳🇱 DUOCAST-AS2a0e:7280::/29 | ||||||
| PTR | ns1.cloud86.nl | ||||||
| A | 45.82.188.13🇳🇱 DUOCAST-AS45.82.188.0/22 | ||||||
| PTR | ns1.cloud86.nl | ||||||
| NS | ns2.cloud86.nl | ||||||
| A | 2001:1af8:4700:a05c:11:1337:53:1🇳🇱 LEASEWEB-NL-AMS-012001:1af8::/32 NL-LEASEWEB-20040408 Leaseweb | ||||||
| PTR | ns2.cloud86.nl | ||||||
| A | 81.171.31.1🇳🇱 LEASEWEB-NL-AMS-0181.171.0.0/19 | ||||||
| PTR | ns2.cloud86.nl | ||||||
| NS | ns3.cloud86.eu | ||||||
| A | 2a00:c98:2050:a003:c:1337:53:1🇩🇪 LEASEWEB-DE-FRA-102a00:c98::/32 LeaseWeb DE | ||||||
| PTR | ns3.cloud86.eu | ||||||
| A | 178.162.193.21🇩🇪 LEASEWEB-DE-FRA-10178.162.192.0/18 | ||||||
| PTR | ns3.cloud86.eu | ||||||
| MX | 21dev.com ⭐ | ||||||
| A | 45.82.189.82🇳🇱 DUOCAST-AS45.82.188.0/22 | ||||||
| PTR | shared204.cloud86-host.io | ||||||
| TXT | v=spf1 +a +mx +ip4:45.82.189.82 -all | ||||||
| SOA | ns1.cloud86.nlhostmaster@cloud86.io 2026-04-01 #1 | ||||||
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=1790262989 | ||||||
MX for
21dev.com |
Same first word
Similar names
Previous names
Next names
DNS History
9 records (5 active, 4 former)
○NSdns31.hichina.com2016-05-16 → 2017-02-09 · 4 obs
● 2017-02-09 03:47:42
○ 2026-09-22 08:35:16
○ 2026-09-24 15:38:58
○NSdns32.hichina.com2016-05-16 → 2017-02-09 · 4 obs
● 2017-02-09 03:47:42
○ 2026-09-22 08:35:16
○ 2026-09-24 15:38:58
●NSns1.cloud86.nl2026-09-22 → 2026-09-24 · 3 obs
● 2026-09-22 08:35:16
● 2026-09-24 15:38:58
●NSns2.cloud86.nl2026-09-22 → 2026-09-24 · 3 obs
● 2026-09-22 08:35:16
● 2026-09-24 15:38:58
●NSns3.cloud86.eu2026-09-22 → 2026-09-24 · 3 obs
● 2026-09-22 08:35:16
● 2026-09-24 15:38:58
●MX21dev.com2016-05-16 → 2026-09-24 · 4 obs
○ 2017-02-09 03:47:42
● 2026-09-22 08:35:16
● 2026-09-24 15:38:58
○MXmail.21dev.com2016-05-16 → 2016-05-16 · 3 obs
○ 2017-02-09 03:47:42
○ 2026-09-24 15:38:58
○A219.239.88.2462016-05-16 → 2016-05-16 · 3 obs
○ 2017-02-09 03:47:42
○ 2026-09-24 15:38:58
●A45.82.189.822026-09-22 → 2026-09-24 · 3 obs
● 2026-09-22 08:35:16
● 2026-09-24 15:38:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| 21dev.com | ns1.cloud86.nl, ns2.cloud86.nl, ns3.cloud86.eu | - |
✅ Authoritative Response
Server:45.82.188.13
NS records: ns1.cloud86.nl, ns2.cloud86.nl, ns3.cloud86.eu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21dev.com (unsigned zone)
⏱️ Timing
Total: 950ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 45.82.189.82 |
| NS | 3 | ns2.cloud86.nl, ns3.cloud86.eu... |
| MX | 1 | 21dev.com (pri: 10) |
| TXT | 1 | v=spf1 +a +mx +ip4:45.82.189.82 -all |
| SOA | 1 | ns1.cloud86.nl hostmaster.cloud86.io |
Analysis
Mail Server Role
The MX record for 21dev.com points back to 21dev.com — it is its own mail server.
IP Addresses
21dev.com directs to one IP number, which is 45.82.189.82.
Among the host names that share IP numbers with 21dev.com are babyitem.nl, loosbusiness.com, embassy-express.com and two others.
Name Servers
21dev.com has three name servers — ns3.cloud86.eu, ns1.cloud86.nl and ns2.cloud86.nl.
At least some of 21dev.com's name servers are shared with other domains, for example bouwbedrijfgemmink.nl, inloopatelierdeverbeelding.nl, ksaleiezonenkuurne.be and two more.
Each of ns3.cloud86.eu, ns1.cloud86.nl and ns2.cloud86.nl points to two IP numbers. ns3.cloud86.eu points to 178.162.193.21 and 2a00:c98:2050:a003:c:1337:53:1. ns1.cloud86.nl points to 45.82.188.13 and 2a0e:7280:0:188:13:1337:53:1. ns2.cloud86.nl points to 81.171.31.1 and 2001:1af8:4700:a05c:11:1337:53:1.
Mail Servers
The MX record for 21dev.com points to a single mail server: 21dev.com.
21dev.com points to one IP number — 45.82.189.82.