alarm21.com - robtex.com
alarm21.com
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=1784396412 | ||||||
Subdomains
mail.alarm21.com |
Same first word
alarm21.com |
DNS History
11 records (6 active, 5 former)
●NSdns1.namecheaphosting.com2026-03-25 → 2026-07-18 · 3 obs
● 2026-03-25 03:38:40
● 2026-07-18 17:57:06
●NSdns2.namecheaphosting.com2026-03-25 → 2026-07-18 · 3 obs
● 2026-03-25 03:38:40
● 2026-07-18 17:57:06
○NSns19.domaincontrol.com2015-05-28 → 2017-08-11 · 4 obs
● 2017-08-11 15:25:18
○ 2026-03-25 03:38:40
○ 2026-07-18 17:57:06
○NSns20.domaincontrol.com2015-05-28 → 2017-08-11 · 4 obs
● 2017-08-11 15:25:18
○ 2026-03-25 03:38:40
○ 2026-07-18 17:57:06
○MXmailstore1.secureserver.net2015-05-28 → 2017-08-11 · 4 obs
● 2017-08-11 15:25:18
○ 2026-03-25 03:38:40
○ 2026-07-18 17:57:06
●MXmx1-hosting.jellyfish.systems2026-03-25 → 2026-07-18 · 3 obs
● 2026-03-25 03:38:40
● 2026-07-18 17:57:06
●MXmx2-hosting.jellyfish.systems2026-03-25 → 2026-07-18 · 3 obs
● 2026-03-25 03:38:40
● 2026-07-18 17:57:06
●MXmx3-hosting.jellyfish.systems2026-03-25 → 2026-07-18 · 3 obs
● 2026-03-25 03:38:40
● 2026-07-18 17:57:06
○MXsmtp.secureserver.net2015-05-28 → 2017-08-11 · 4 obs
● 2017-08-11 15:25:18
○ 2026-03-25 03:38:40
○ 2026-07-18 17:57:06
○A184.168.221.312015-05-28 → 2017-08-11 · 4 obs
● 2017-08-11 15:25:18
○ 2026-03-25 03:38:40
○ 2026-07-18 17:57:06
●A66.29.146.302026-03-25 → 2026-07-18 · 3 obs
● 2026-03-25 03:38:40
● 2026-07-18 17:57:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| alarm21.com | dns1.namecheaphosting.com, dns2.namecheaphosting.com | 4 records |
✅ Authoritative Response
Server:156.154.133.200
NS records: dns1.namecheaphosting.com, dns2.namecheaphosting.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for alarm21.com (unsigned zone)
⏱️ Timing
Total: 437ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 66.29.146.30 |
| NS | 2 | dns1.namecheaphosting.com, dns2.namecheaphosting.com |
| MX | 3 | mx1-hosting.jellyfish.systems (pri: 5), mx2-hosting.jellyfish.systems (pri: 10)... |
| TXT | 1 | v=spf1 ip4:66.29.146.29 ip4:66.29.146.32 |
| SOA | 1 | dns1.namecheaphosting.com cpanel.tech.na |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (dns1.namecheaphosting.com, dns1.namecheaphosting.com, dns2.namecheaphosting.com...)
Analysis
Hierarchy
mail.alarm21.com is delegated beneath alarm21.com.
IP Addresses
alarm21.com resolves to one IP address: 66.29.146.30.
mail.alarm21.com, hkga99.com, hukg99.com and two other host names share IP numbers with alarm21.com.
Name Servers
alarm21.com uses two name servers for its delegation: dns1.namecheaphosting.com and dns2.namecheaphosting.com.
alarm21.com uses the same name servers as several other domains — among them moonbounce.wiki, hpahelp.com, myliberlh.blog and two more.
There is at least partial name server overlap between alarm21.com and other domains — podcastingworks.com, directoryfire.com, myproject.team and two more among them.
The name servers dns1.registrar-servers.com, dns2.registrar-servers.com and dns1.web-hosting.com are often found in combination with these name servers.
The two host names dns1.namecheaphosting.com and dns2.namecheaphosting.com each have a pair of IP addresses: dns1.namecheaphosting.com has 156.154.132.200 and 2610:a1:1024::200, and dns2.namecheaphosting.com has 156.154.133.200 and 2610:a1:1025::200.
Mail Servers
Incoming mail for alarm21.com is delivered via three mail servers: mx1-hosting.jellyfish.systems, mx2-hosting.jellyfish.systems and mx3-hosting.jellyfish.systems.
alarm21.com has at least partial mail server overlap with other domains such as jocuri-unity3d.com, erlinna.com, epuma.org and two more.
The hostnames mx1-hosting.jellyfish.systems, mx2-hosting.jellyfish.systems and mx3-hosting.jellyfish.systems each resolve to a single IP: mx1-hosting.jellyfish.systems → 162.255.118.28, mx2-hosting.jellyfish.systems → 162.255.118.29, mx3-hosting.jellyfish.systems → 162.255.118.13.