portanto.pt - robtex.com
portanto.pt
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.146.22.230🇺🇸 vercara-udos185.146.22.0/24 | ||||||
| PTR | nl1-ts3.a2hosting.com | ||||||
| NS | ns1.a2hosting.com ⭐ | ||||||
| A | 13.248.158.180🇺🇸 Amazon13.248.144.0/20 | ||||||
| PTR | a79764cc55c0ac9c0.awsglobalaccelerator.com | ||||||
| NS | ns2.a2hosting.com | ||||||
| A | 75.2.118.134🇺🇸 Amazon75.2.112.0/20 | ||||||
| PTR | abc65dd9a44b5332f.awsglobalaccelerator.com | ||||||
| NS | ns3.a2hosting.com | ||||||
| A | 76.223.26.245🇺🇸 Amazon76.223.16.0/20 | ||||||
| PTR | a79764cc55c0ac9c0.awsglobalaccelerator.com | ||||||
| NS | ns4.a2hosting.com | ||||||
| A | 99.83.147.209🇺🇸 Amazon99.83.144.0/20 | ||||||
| PTR | abc65dd9a44b5332f.awsglobalaccelerator.com | ||||||
| MX | mail.portanto.pt ⭐ | ||||||
| A | 185.146.22.230🇺🇸 vercara-udos185.146.22.0/24 | ||||||
| PTR | nl1-ts3.a2hosting.com | ||||||
| TXT | v=spf1 ip4:185.146.22.230 include:spf.a2hosting.com +a +mx +ip4:68.66.248.22 ... | ||||||
| SOA | ns1.a2hosting.comroot@nl1-ts3.a2hosting.com 2026-07-26 #0 | ||||||
pt
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | curiosity.dns.pt ⭐ | ||||||
| NS | a.dns.pt | ||||||
| NS | b.dns.pt | ||||||
| NS | c.dns.pt | ||||||
| NS | d.dns.pt | ||||||
| NS | e.dns.pt | ||||||
| NS | g.dns.pt | ||||||
| NS | h.dns.pt | ||||||
| NS | ns.dns.br ⚠️ Not in parent delegation | ||||||
| NS | ns2.nic.fr ⚠️ Not in parent delegation | ||||||
| SOA | curiosity.dns.ptrequest@dns.pt 2026-07-30 #32 | ||||||
Subdomains
mail.portanto.pt |
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSns1.a2hosting.com2026-04-14 → 2026-07-30 · 2 obs
● 2026-07-30 15:40:42
●NSns2.a2hosting.com2026-04-14 → 2026-07-30 · 2 obs
● 2026-07-30 15:40:42
●NSns3.a2hosting.com2026-04-14 → 2026-07-30 · 2 obs
● 2026-07-30 15:40:42
●NSns4.a2hosting.com2026-04-14 → 2026-07-30 · 2 obs
● 2026-07-30 15:40:42
●MXmail.portanto.pt2026-04-14 → 2026-07-30 · 2 obs
● 2026-07-30 15:40:42
●A185.146.22.2302026-04-14 → 2026-07-30 · 2 obs
● 2026-07-30 15:40:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pt | a.dns.pt, b.dns.pt, c.dns.pt, d.dns.pt... | 18 records |
| portanto.pt | ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com, ns4.a2hosting.com | - |
✅ Authoritative Response
Server:76.223.26.245
NS records: ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com, ns4.a2hosting.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for portanto.pt (unsigned zone)
⏱️ Timing
Total: 612ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.146.22.230 |
| NS | 4 | ns3.a2hosting.com, ns4.a2hosting.com... |
| MX | 1 | mail.portanto.pt (pri: 0) |
| TXT | 1 | v=spf1 ip4:185.146.22.230 include:spf.a2 |
| SOA | 1 | ns1.a2hosting.com root.nl1-ts3.a2hosting |
📌 Glue Records Collected
Total: 18
In-bailiwick: 14 (a.dns.pt, b.dns.pt, c.dns.pt...)
Out-of-bailiwick: 4 (ns.dns.br, ns2.nic.fr, ns.dns.br...)
Analysis
Hierarchy
The domain mail.portanto.pt falls under the parent portanto.pt.
IP Addresses
portanto.pt has exactly one IP address — 185.146.22.230.
mail.lunasp.com, mail.ntrr.net, mail.performancephilosophy.org plus two other host names have IP numbers in common with portanto.pt.
Name Servers
Four name servers handle the delegation for portanto.pt: ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com and ns4.a2hosting.com.
At least some of portanto.pt's name servers are shared with other domains, for example swami-krishnananda.org, flocarlaw.com, letterdash.com and two more.
These name servers tend to co-occur with ns1.mysecurecloudhost.com, ns2.mysecurecloudhost.com, ns3.mysecurecloudhost.com and 3 other name servers in the same DNS delegations.
Four host names, each with one IP address: ns1.a2hosting.com has 13.248.158.180, ns2.a2hosting.com has 75.2.118.134, ns3.a2hosting.com has 76.223.26.245 and ns4.a2hosting.com has 99.83.147.209.
Mail Servers
portanto.pt uses one mail server — mail.portanto.pt.
There is one IP number for mail.portanto.pt: 185.146.22.230.