optionalsoftware.com - robtex.com
optionalsoftware.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 35.80.153.53🇺🇸 Amazon35.80.0.0/12 EC2 PDX prefix | ||||||
| NS | curitiba.ns.porkbun.com ⭐ | ||||||
| A | 2400:cb00:2049:1::adf5:3a25🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 173.245.58.37🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | fortaleza.ns.porkbun.com | ||||||
| A | 2400:cb00:2049:1::a29f:88c🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.8.140Cloudflare162.159.8.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | maceio.ns.porkbun.com | ||||||
| A | 2400:cb00:2049:1::a29f:bb4🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.11.180Cloudflare162.159.11.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | salvador.ns.porkbun.com | ||||||
| A | 2400:cb00:2049:1::a29f:a96🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.10.150Cloudflare162.159.10.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | fwd1.porkbun.com ⭐ | ||||||
| A | 44.226.226.6🇺🇸 Amazon44.224.0.0/11 EC2 PDX prefix | ||||||
| PTR | fwd1.porkbun.com | ||||||
| MX | fwd2.porkbun.com(20) | ||||||
| A | 52.10.201.111🇺🇸 Amazon52.10.0.0/15 EC2 PDX Prefix | ||||||
| PTR | fwd2.porkbun.com | ||||||
| TXT | google-site-verification=7iv9x8KVaBdPWUrSzVYTY7riWaJPRdMc3n-nowvLJvE | ||||||
| TXT | v=spf1 include:_spf.porkbun.com ~all | ||||||
| SOA | curitiba.ns.porkbun.comdns@cloudflare.com serial=2391858476 | ||||||
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=1794641196 | ||||||
Same first word
optionalsoftware.com |
Previous names
Next names
DNS History
7 records (7 active, 0 former)
●NScuritiba.ns.porkbun.com2026-10-15 → 2026-11-14 · 2 obs
● 2026-11-14 08:10:02
●NSfortaleza.ns.porkbun.com2026-10-15 → 2026-11-14 · 2 obs
● 2026-11-14 08:10:02
●NSmaceio.ns.porkbun.com2026-10-15 → 2026-11-14 · 2 obs
● 2026-11-14 08:10:02
●NSsalvador.ns.porkbun.com2026-10-15 → 2026-11-14 · 2 obs
● 2026-11-14 08:10:02
●MXfwd1.porkbun.com2026-10-15 → 2026-11-14 · 2 obs
● 2026-11-14 08:10:02
●MXfwd2.porkbun.com2026-10-15 → 2026-11-14 · 2 obs
● 2026-11-14 08:10:02
●A35.80.153.532026-10-15 → 2026-11-14 · 2 obs
● 2026-11-14 08:10:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, a.gtld-servers.net, i.gtld-servers.net, d.gtld-servers.net... | - |
| optionalsoftware.com | maceio.ns.porkbun.com, salvador.ns.porkbun.com, fortaleza.ns.porkbun.com, curitiba.ns.porkbun.com | 8 records |
✅ Authoritative Response
Server:173.245.58.37
NS records: maceio.ns.porkbun.com, salvador.ns.porkbun.com, fortaleza.ns.porkbun.com, curitiba.ns.porkbun.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optionalsoftware.com (unsigned zone)
⏱️ Timing
Total: 202ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 35.80.153.53 |
| NS | 4 | curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com... |
| MX | 2 | fwd1.porkbun.com (pri: 10), fwd2.porkbun.com (pri: 20) |
| TXT | 2 | google-site-verification=7iv9x8KVaBdPWUr, v=spf1 include:_spf.porkbun.com ~all |
| SOA | 1 | curitiba.ns.porkbun.com dns.cloudflare.c |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (maceio.ns.porkbun.com, maceio.ns.porkbun.com, salvador.ns.porkbun.com...)
Analysis
IP Addresses
optionalsoftware.com points to a single IP number: 35.80.153.53.
optionalsoftware.com shares its IP numbers with other host names, including castle.enterprises, alcastle.com, jobweb.io and castle.industries.
Name Servers
optionalsoftware.com has four authoritative name servers: curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com and salvador.ns.porkbun.com.
The name servers of optionalsoftware.com overlap at least partially with those of other domains — among them varkingdom.com, nklx.cc, atlasstoryworks.com and two more.
Each of the four hosts curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com and salvador.ns.porkbun.com has two IP addresses. curitiba.ns.porkbun.com points to 173.245.58.37 and 2400:cb00:2049:1::adf5:3a25. fortaleza.ns.porkbun.com points to 162.159.8.140 and 2400:cb00:2049:1::a29f:88c. maceio.ns.porkbun.com points to 162.159.11.180 and 2400:cb00:2049:1::a29f:bb4. salvador.ns.porkbun.com points to 162.159.10.150 and 2400:cb00:2049:1::a29f:a96.
Mail Servers
optionalsoftware.com has two mail servers: fwd1.porkbun.com and fwd2.porkbun.com.
optionalsoftware.com shares the same mail server setup as other domains, including suncitystays.com, ebonflowmusic.com, thequietbruise.com and two others.
The mail servers for optionalsoftware.com overlap at least partially with those of other domains, including veriscomics.com and plansmartleads.com.
Both fwd1.porkbun.com and fwd2.porkbun.com have a single IP address each — fwd1.porkbun.com resolves to 44.226.226.6 while fwd2.porkbun.com resolves to 52.10.201.111.