121security.com - robtex.com
121security.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a07:7800::166🇬🇧 TWENTYI2a07:7800::/48 | ||||||
| A | 185.151.30.166🇬🇧 TWENTYI185.151.30.0/24 | ||||||
| NS | ns1.falcon365.net ⭐ | ||||||
| A | 35.197.225.59🇬🇧 Google35.197.224.0/20 | ||||||
| PTR | 59.225.197.35.bc.googleusercontent.com | ||||||
| NS | ns2.falcon365.net | ||||||
| A | 146.148.28.88🇧🇪 Google146.148.16.0/20 | ||||||
| PTR | 88.28.148.146.bc.googleusercontent.com | ||||||
| NS | ns3.falcon365.net | ||||||
| A | 35.198.79.191🇩🇪 Google35.198.64.0/20 | ||||||
| PTR | 191.79.198.35.bc.googleusercontent.com | ||||||
| NS | ns4.falcon365.net | ||||||
| A | 104.196.137.209🇺🇸 Google104.196.128.0/20 | ||||||
| PTR | 209.137.196.104.bc.googleusercontent.com | ||||||
| MX | mx.stackmail.com ⭐ | ||||||
| A | 185.151.28.67🇬🇧 TWENTYI185.151.28.0/24 | ||||||
| PTR | mx.stackmail.com | ||||||
| SOA | ns1.falcon365.nethostmaster@falcon365.net serial=1596469824 | ||||||
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=1778342046 | ||||||
Same first word
121security.com |
DNS History
14 records (7 active, 7 former)
○NSns.mainnameserver.com2015-07-20 → 2020-03-19 · 5 obs
● 2015-07-20 07:55:16
● 2020-03-19 13:35:08
○ 2026-02-23 03:20:58
○ 2026-05-09 16:07:28
●NSns1.falcon365.net2026-02-23 → 2026-05-09 · 3 obs
● 2026-02-23 03:20:58
● 2026-05-09 16:07:28
●NSns2.falcon365.net2026-02-23 → 2026-05-09 · 3 obs
● 2026-02-23 03:20:58
● 2026-05-09 16:07:28
○NSns2.mainnameserver.com2015-07-20 → 2020-03-19 · 5 obs
● 2015-07-20 07:55:16
● 2020-03-19 13:35:08
○ 2026-02-23 03:20:58
○ 2026-05-09 16:07:28
●NSns3.falcon365.net2026-02-23 → 2026-05-09 · 3 obs
● 2026-02-23 03:20:58
● 2026-05-09 16:07:28
●NSns4.falcon365.net2026-02-23 → 2026-05-09 · 3 obs
● 2026-02-23 03:20:58
● 2026-05-09 16:07:28
○MXmail.121security.com2015-07-20 → 2020-03-19 · 5 obs
● 2015-07-20 07:55:16
● 2020-03-19 13:35:08
○ 2026-02-23 03:20:58
○ 2026-05-09 16:07:28
○MXmailserver.121security.com2008-03-16 → 2008-03-16 · 3 obs
○ 2015-07-20 07:55:16
○ 2026-05-09 16:07:28
●MXmx.stackmail.com2026-02-23 → 2026-05-09 · 3 obs
● 2026-02-23 03:20:58
● 2026-05-09 16:07:28
●A185.151.30.1662026-02-23 → 2026-05-09 · 3 obs
● 2026-02-23 03:20:58
● 2026-05-09 16:07:28
○A213.171.219.2452008-03-16 → 2008-03-16 · 3 obs
○ 2015-07-20 07:55:16
○ 2026-05-09 16:07:28
●A2a07:7800::1662026-02-23 → 2026-05-09 · 3 obs
● 2026-02-23 03:20:58
● 2026-05-09 16:07:28
○A79.170.44.1152020-03-19 → 2020-03-19 · 4 obs
● 2020-03-19 13:35:08
○ 2026-02-23 03:20:58
○ 2026-05-09 16:07:28
○A79.170.44.782015-07-20 → 2017-03-14 · 5 obs
● 2015-07-20 07:55:16
● 2017-03-14 10:04:22
○ 2020-03-19 13:35:08
○ 2026-05-09 16:07:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net, b.gtld-servers.net... | - |
| 121security.com | ns1.falcon365.net, ns2.falcon365.net, ns3.falcon365.net, ns4.falcon365.net | - |
✅ Authoritative Response
Server:104.196.137.209
NS records: ns1.falcon365.net, ns2.falcon365.net, ns3.falcon365.net, ns4.falcon365.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 121security.com (unsigned zone)
⏱️ Timing
Total: 730ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.151.30.166 |
| AAAA | 1 | 2a07:7800::166 |
| NS | 4 | ns1.falcon365.net, ns3.falcon365.net... |
| MX | 1 | mx.stackmail.com (pri: 10) |
| SOA | 1 | ns1.falcon365.net hostmaster.falcon365.n |
Analysis
IP Addresses
121security.com points to two IP numbers: 2a07:7800::166 and 185.151.30.166.
Other host names, for instance futureengineer.co.uk, adobe-dns-3.1st4cleanercarpetssolihull.o.uk, salmagundiart.com, free-1st4cleanercarpetssolihull.o.uk and healtheu.co.uk share IP numbers with 121security.com.
Name Servers
121security.com is delegated to four name servers: ns1.falcon365.net, ns2.falcon365.net, ns3.falcon365.net and ns4.falcon365.net.
121security.com shares name servers with other domains at least partially, for instance hondaherts.co.uk, naturalvets.com, falconmedia.co.uk, kestronics.co.uk and kama.life.
These name servers are commonly used with ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com and ns4.stackdns.com.
Host names with a single IP:
ns1.falcon365.net points to 35.197.225.59.
ns2.falcon365.net points to 146.148.28.88.
ns3.falcon365.net points to 35.198.79.191.
ns4.falcon365.net points to 104.196.137.209.
Mail Servers
The mail server for 121security.com is mx.stackmail.com.
121security.com shares the same mail server setup as other domains, including thecyclediaries.com, hostgrok.com, appintra.com, lucedentro.com and tn5.co.uk.
Host name mx.stackmail.com resolves to IP 185.151.28.67.