sim21.net - robtex.com
sim21.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 217.76.128.47🇪🇸 IONOS-AS217.76.128.0/19 arsys.es | ||||||
| PTR | hosting01.servidoresdns.net | ||||||
| NS | dns45.servidoresdns.net ⭐ | ||||||
| A | 217.76.128.190🇪🇸 IONOS-AS217.76.128.0/19 arsys.es | ||||||
| PTR | dns45.servidoresdns.net | ||||||
| NS | dns46.servidoresdns.net | ||||||
| A | 82.223.218.153🇪🇸 IONOS-AS82.223.0.0/16 arsys.es | ||||||
| PTR | dns46.servidoresdns.net | ||||||
| MX | mx.serviciodecorreo.es ⭐ | ||||||
| A | 82.223.190.100🇪🇸 IONOS-AS82.223.0.0/16 arsys.es | ||||||
| PTR | mx.serviciodecorreo.es | ||||||
| TXT | v=spf1 include:_spf.serviciodecorreo.es ~all | ||||||
| SOA | dns45.servidoresdns.nethostmaster@servidoresdns.net 2020-08-10 #10 | ||||||
net
| 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=1774412512 | ||||||
Same first word
Similar names
ism21.com |
21ism.com |
ism12.com |
12ism.com |
ims21.de |
12sim.com |
21mis.com |
smi21.com |
mis21.de |
1sim2.com |
smi21.ru |
ims21.net |
mis12.de |
ism21.net |
msi21.jp |
ims21.tv |
is12m.com |
msi21.com |
12sim.de |
DNS History
12 records (4 active, 8 former)
●NSdns45.servidoresdns.net2026-03-23 → 2026-03-25 · 3 obs
● 2026-03-23 10:57:56
● 2026-03-25 04:28:28
●NSdns46.servidoresdns.net2026-03-23 → 2026-03-25 · 3 obs
● 2026-03-23 10:57:56
● 2026-03-25 04:28:28
○NSns1.cdmon.net2015-07-26 → 2019-04-23 · 4 obs
● 2019-04-23 04:34:24
○ 2026-03-23 10:57:56
○ 2026-03-25 04:28:28
○NSns2.cdmon.net2015-07-26 → 2019-04-23 · 4 obs
● 2019-04-23 04:34:24
○ 2026-03-23 10:57:56
○ 2026-03-25 04:28:28
○NSns3.cdmon.net2015-07-26 → 2019-04-23 · 4 obs
● 2019-04-23 04:34:24
○ 2026-03-23 10:57:56
○ 2026-03-25 04:28:28
○NSns4.cdmondns-01.org2019-04-23 → 2019-04-23 · 4 obs
● 2019-04-23 04:34:24
○ 2026-03-23 10:57:56
○ 2026-03-25 04:28:28
○NSns5.cdmondns-01.com2019-04-23 → 2019-04-23 · 4 obs
● 2019-04-23 04:34:24
○ 2026-03-23 10:57:56
○ 2026-03-25 04:28:28
○MXmail.sim21.net2015-07-26 → 2019-04-23 · 4 obs
● 2019-04-23 04:34:24
○ 2026-03-23 10:57:56
○ 2026-03-25 04:28:28
●MXmx.serviciodecorreo.es2026-03-23 → 2026-03-25 · 3 obs
● 2026-03-23 10:57:56
● 2026-03-25 04:28:28
○A134.0.14.2442019-04-23 → 2019-04-23 · 4 obs
● 2019-04-23 04:34:24
○ 2026-03-23 10:57:56
○ 2026-03-25 04:28:28
○A134.0.14.2452015-07-26 → 2017-02-13 · 4 obs
● 2017-02-13 06:24:42
○ 2019-04-23 04:34:24
○ 2026-03-25 04:28:28
●A217.76.128.472026-03-23 → 2026-03-25 · 3 obs
● 2026-03-23 10:57:56
● 2026-03-25 04:28:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net... | - |
| sim21.net | dns46.servidoresdns.net, dns45.servidoresdns.net | 2 records |
✅ Authoritative Response
Server:217.76.128.190
NS records: dns46.servidoresdns.net, dns45.servidoresdns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sim21.net (unsigned zone)
⏱️ Timing
Total: 344ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.76.128.47 |
| NS | 2 | dns45.servidoresdns.net, dns46.servidoresdns.net |
| MX | 1 | mx.serviciodecorreo.es (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.serviciodecorreo.es |
| SOA | 1 | dns45.servidoresdns.net hostmaster.servi |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (dns46.servidoresdns.net, dns45.servidoresdns.net)
Analysis
IP Addresses
sim21.net maps to IP address 217.76.128.47.
Other host names, for instance www.toypac.com, iport.es, promobuch.com, gorobe.com and eumasi.com share IP numbers with sim21.net.
Name Servers
Two name servers dns45.servidoresdns.net and dns46.servidoresdns.net are delegated to sim21.net.
sim21.net uses the same name server configuration as other domains, such as cascamorras.es, unrocedealas.com, igda.es, huguetostarizadvocats.com and trstanit.com.
sim21.net shares name servers with other domains at least partially, for instance valnera.es and conisel.com.
Host names with a single IP address:
dns45.servidoresdns.net points to 217.76.128.190
dns46.servidoresdns.net points to 82.223.218.153
Mail Servers
sim21.net is handled by a single mail server, mx.serviciodecorreo.es.
sim21.net shares the same mail server setup as other domains, including cacaomaravillao.com, novasoluciones.es, urtek.es, peimel.com and severianocamino.com.
sim21.net shares some mail servers with other domains, for instance kalandraka.com, frieder.org and sshard.com.
mx.serviciodecorreo.es points to one IP number: 82.223.190.100.