formula9.net - robtex.com
formula9.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 213.228.134.107🇵🇹 AS13156213.228.128.0/18 NOWO COMMUNICATIONS, S.A. Internet Service Provider | ||||||
| PTR | formula9.net | ||||||
| PTR | intellego.pt | ||||||
| PTR | nathumtec.pt | ||||||
| NS | dns1.host-redirect.com ⭐ | ||||||
| A | 2001:4cc0:4:1::5🇵🇹 CLARANET-AS2001:4cc0::/32 Claranet Portugal | ||||||
| PTR | dns1.host-redirect.com | ||||||
| A | 91.198.47.1🇵🇹 Flesk-AS91.198.47.0/24 Dominios | ||||||
| PTR | dns1 | ||||||
| NS | dns2.host-redirect.com | ||||||
| A | 2001:4cc0:4:10::5🇵🇹 CLARANET-AS2001:4cc0::/32 Claranet Portugal | ||||||
| PTR | dns2.host-redirect.com | ||||||
| A | 194.8.30.2🇵🇹 Flesk-AS194.8.30.0/24 Dominios | ||||||
| PTR | dns2.host-redirect.com | ||||||
| NS | dns3.host-redirect.com | ||||||
| A | 94.126.175.203🇵🇹 Flesk-AS94.126.168.0/21 Dominios | ||||||
| PTR | dns3 | ||||||
| MX | formula9.net ⭐ | ||||||
| A | 213.228.134.107🇵🇹 AS13156213.228.128.0/18 NOWO COMMUNICATIONS, S.A. Internet Service Provider | ||||||
| PTR | formula9.net | ||||||
| PTR | intellego.pt | ||||||
| PTR | nathumtec.pt | ||||||
| TXT | v=spf1 ip4:213.228.134.107 -all | ||||||
| SOA | dns1.host-redirect.comhostmaster@formula9.net 2022-12-12 #0 | ||||||
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=1776110677 | ||||||
PTR for
MX for
formula9.net |
Same first word
formula9.net |
DNS History
11 records (5 active, 6 former)
●NSdns1.host-redirect.com2016-05-06 → 2026-04-13 · 3 obs
● 2016-05-06 23:25:18
● 2026-04-13 20:26:08
●NSdns2.host-redirect.com2016-05-06 → 2026-04-13 · 3 obs
● 2016-05-06 23:25:18
● 2026-04-13 20:26:08
●NSdns3.host-redirect.com2016-05-06 → 2026-04-13 · 3 obs
● 2016-05-06 23:25:18
● 2026-04-13 20:26:08
○NSns1.mydyndns.org2015-07-24 → 2016-01-15 · 4 obs
● 2016-01-15 07:58:56
○ 2016-05-06 23:25:18
○ 2026-04-13 20:26:08
○NSns1177.dns.dyn.com2015-07-24 → 2016-01-15 · 4 obs
● 2016-01-15 07:58:56
○ 2016-05-06 23:25:18
○ 2026-04-13 20:26:08
○NSns2167.dns.dyn.com2015-07-24 → 2016-01-15 · 4 obs
● 2016-01-15 07:58:56
○ 2016-05-06 23:25:18
○ 2026-04-13 20:26:08
○NSns3137.dns.dyn.com2015-07-24 → 2016-01-15 · 4 obs
● 2016-01-15 07:58:56
○ 2016-05-06 23:25:18
○ 2026-04-13 20:26:08
○NSns4163.dns.dyn.com2015-07-24 → 2016-01-15 · 4 obs
● 2016-01-15 07:58:56
○ 2016-05-06 23:25:18
○ 2026-04-13 20:26:08
●MXformula9.net2015-07-24 → 2026-04-13 · 2 obs
● 2026-04-13 20:26:08
●A213.228.134.1072026-04-07 → 2026-04-13 · 3 obs
● 2026-04-07 05:44:40
● 2026-04-13 20:26:08
○A213.228.178.1132015-07-24 → 2018-07-09 · 4 obs
● 2018-07-09 12:32:14
○ 2026-04-07 05:44:40
○ 2026-04-13 20:26:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| formula9.net | dns1.host-redirect.com, dns2.host-redirect.com, dns3.host-redirect.com | - |
✅ Authoritative Response
Server:91.198.47.1
NS records: dns1.host-redirect.com, dns2.host-redirect.com, dns3.host-redirect.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for formula9.net (unsigned zone)
⏱️ Timing
Total: 794ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 213.228.134.107 |
| NS | 3 | dns2.host-redirect.com, dns3.host-redirect.com... |
| MX | 1 | formula9.net (pri: 10) |
| TXT | 1 | v=spf1 ip4:213.228.134.107 -all |
| SOA | 1 | dns1.host-redirect.com hostmaster.formul |
Analysis
Mail Server Role
For formula9.net, the mail server is formula9.net.
IP Addresses
formula9.net resolves to one IP number: 213.228.134.107.
Other host names such as intellego.pt and nathumtec.pt share IP numbers with formula9.net.
Name Servers
formula9.net is delegated to three name servers dns1.host-redirect.com, dns2.host-redirect.com and dns3.host-redirect.com.
formula9.net at least partially shares name servers with other domains, for instance teamfilms.tv, parsoma.com, fancar.pt, ergovisa.com and webtv.pt.
These name servers are commonly used with dns4.host-redirect.com, ns1.pointerns.com and ns2.pointerns.com.
Hosts with two IP numbers:
dns1.host-redirect.com points to: 2001:4cc0:4:1::5 and 91.198.47.1.
dns2.host-redirect.com points to: 2001:4cc0:4:10::5 and 194.8.30.2.
Hosts with one IP number:
dns3.host-redirect.com points to: 94.126.175.203.
Mail Servers
formula9.net is served by a single mail server, formula9.net.
formula9.net resolves to IP 213.228.134.107.