alsercom.com - dns.ninja
alsercom.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 213.149.250.21🇪🇸 acens_AS213.149.248.0/21 | ||||||
| PTR | ns3.servidoresjmj.com | ||||||
| NS | ns3.servidoresjmj.com ⭐ | ||||||
| A | 213.149.250.21🇪🇸 acens_AS213.149.248.0/21 | ||||||
| PTR | ns3.servidoresjmj.com | ||||||
| NS | ns4.servidoresjmj.com ⚠️ Not in parent delegation | ||||||
| A | 213.149.250.21🇪🇸 acens_AS213.149.248.0/21 | ||||||
| PTR | ns3.servidoresjmj.com | ||||||
| NS | ns5.jmjinformatica.net ⚠️ Not in zone NS records | ||||||
| MX | mail.alsercom.com ⭐ | ||||||
| A | 213.149.250.22🇪🇸 acens_AS213.149.248.0/21 | ||||||
| PTR | mx1.servidoresjmj.com | ||||||
| MX | correo.alsercom.com(21) | ||||||
| A | 213.149.250.22🇪🇸 acens_AS213.149.248.0/21 | ||||||
| PTR | mx1.servidoresjmj.com | ||||||
| TXT | v=spf1 mx ~all | ||||||
| SOA | ns3.servidoresjmj.comhostmaster@alsercom.com 2016-03-16 #20 | ||||||
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=1784692452 | ||||||
Subdomains
Same first word
alsercom.com |
Similar names
DNS History
10 records (6 active, 4 former)
○NSns1.jmjinformatica.com2015-08-24 → 2016-02-13 · 4 obs
● 2016-02-13 03:04:18
○ 2016-03-20 15:15:16
○ 2026-07-22 04:19:36
○NSns2.jmjinformatica.com2015-08-24 → 2016-02-13 · 4 obs
● 2016-02-13 03:04:18
○ 2016-03-20 15:15:16
○ 2026-07-22 04:19:36
●NSns3.servidoresjmj.com2016-03-20 → 2026-07-22 · 3 obs
● 2016-03-20 15:15:16
● 2026-07-22 04:19:36
●NSns4.servidoresjmj.com2016-03-20 → 2026-07-22 · 3 obs
● 2016-03-20 15:15:16
● 2026-07-22 04:19:36
●NSns5.jmjinformatica.net2026-02-26 → 2026-07-22 · 10 obs
● 2026-02-26 01:08:26
● 2026-03-26 10:52:24
○ 2026-03-28 21:45:04
● 2026-05-03 04:54:58
○ 2026-05-08 08:32:16
● 2026-05-09 08:51:32
○ 2026-06-27 00:07:06
● 2026-07-03 12:57:08
● 2026-07-22 04:19:36
●MXcorreo.alsercom.com2016-03-20 → 2026-07-22 · 3 obs
● 2016-03-20 15:15:16
● 2026-07-22 04:19:36
●MXmail.alsercom.com2015-08-24 → 2026-07-22 · 2 obs
● 2026-07-22 04:19:36
○MXsmtp.alsercom.com2015-08-24 → 2016-02-13 · 4 obs
● 2016-02-13 03:04:18
○ 2016-03-20 15:15:16
○ 2026-07-22 04:19:36
○A213.149.250.202015-08-24 → 2016-02-13 · 4 obs
● 2016-02-13 03:04:18
○ 2016-03-20 15:15:16
○ 2026-07-22 04:19:36
●A213.149.250.212016-03-20 → 2026-07-22 · 3 obs
● 2016-03-20 15:15:16
● 2026-07-22 04:19:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| alsercom.com | ns5.jmjinformatica.net, ns3.servidoresjmj.com | 1 record |
✅ Authoritative Response
Server:213.149.250.21
NS records: ns5.jmjinformatica.net, ns3.servidoresjmj.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for alsercom.com (unsigned zone)
⏱️ Timing
Total: 890ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 213.149.250.21 |
| NS | 2 | ns3.servidoresjmj.com, ns4.servidoresjmj.com |
| MX | 2 | correo.alsercom.com (pri: 21), mail.alsercom.com (pri: 10) |
| TXT | 1 | v=spf1 mx ~all |
| SOA | 1 | ns3.servidoresjmj.com hostmaster.alserco |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns3.servidoresjmj.com)
Analysis
Hierarchy
alsercom.com sits above correo.alsercom.com, smtp.alsercom.com and mail.alsercom.com in the domain hierarchy.
IP Addresses
alsercom.com directs to one IP number, which is 213.149.250.21.
Among the host names that share IP numbers with alsercom.com are aguilarsaiz.com, rubioaia.es, raimconsa.com and two others.
Name Servers
alsercom.com has three name servers — ns3.servidoresjmj.com, ns4.servidoresjmj.com and ns5.jmjinformatica.net.
There is at least partial name server overlap between alsercom.com and other domains — servicioslogisticos.net, garcifuentes.es, diazaguilar.com and two more among them.
These name servers are routinely deployed together with the name servers ns1.jmjinformatica.com.
ns3.servidoresjmj.com and ns4.servidoresjmj.com each point to one IP address — 213.149.250.21.
The host names ns3.servidoresjmj.com and ns4.servidoresjmj.com both resolve to 213.149.250.21 IP addresses.
Mail Servers
The MX records for alsercom.com point to two mail servers: correo.alsercom.com and mail.alsercom.com.
correo.alsercom.com and mail.alsercom.com each point to one IP address — 213.149.250.22.
The host names correo.alsercom.com and mail.alsercom.com both resolve to 213.149.250.22 IP addresses.