ar.pt - robtex.com
ar.pt
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 213.63.110.33🇵🇹 ArTelecomPT213.63.0.0/17 Ar Telecom, Acessos e Redes Telecomunicacoes. S.A. | ||||||
| NS | dnsh01.artelecom.pt ⭐ | ||||||
| A | 213.141.4.251🇵🇹 ArTelecomPT213.141.0.0/19 Ar Telecom, Acessos e Redes Telecomunicacoes. S.A. | ||||||
| PTR | dnsh01.artelecom.pt | ||||||
| NS | dnsh02.artelecom.pt | ||||||
| A | 213.141.27.251🇵🇹 ArTelecomPT213.141.0.0/19 Ar Telecom, Acessos e Redes Telecomunicacoes. S.A. | ||||||
| PTR | dnsh02.artelecom.pt | ||||||
| NS | dnsh03.artelecom.pt | ||||||
| A | 213.141.4.252🇵🇹 ArTelecomPT213.141.0.0/19 Ar Telecom, Acessos e Redes Telecomunicacoes. S.A. | ||||||
| PTR | dnsh03.artelecom.pt | ||||||
| NS | dnsh04.artelecom.pt | ||||||
| A | 20.199.45.38🇫🇷 Microsoft20.192.0.0/10 | ||||||
| MX | smtp1.artelecom.pt ⭐ | ||||||
| A | 213.141.25.61🇵🇹 ArTelecomPT213.141.0.0/19 Ar Telecom, Acessos e Redes Telecomunicacoes. S.A. | ||||||
| PTR | mta1.artelecom.pt | ||||||
| PTR | smtp1.artelecom.pt | ||||||
| MX | smtp2.artelecom.pt(20) | ||||||
| A | 213.141.25.62🇵🇹 ArTelecomPT213.141.0.0/19 Ar Telecom, Acessos e Redes Telecomunicacoes. S.A. | ||||||
| PTR | smtp2.artelecom.pt | ||||||
| TXT | MS=ms12597401 | ||||||
| TXT | google-site-verification=EzKyRJMBVQUnHsunyz7GXEYUKGA5IaYewa3aRQmuzM8 | ||||||
| TXT | v=spf1 include:artelecom.pt -all | ||||||
| SOA | dnsh01.artelecom.ptsuporte@artelecom.pt 2026-05-21 #2 | ||||||
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 2026-05-27 #35 | ||||||
Subdomains
Same first word
Similar names
DNS History
7 records (7 active, 0 former)
●NSdnsh01.artelecom.pt2026-05-17 → 2026-05-27 · 2 obs
● 2026-05-27 17:18:08
●NSdnsh02.artelecom.pt2026-05-17 → 2026-05-27 · 2 obs
● 2026-05-27 17:18:08
●NSdnsh03.artelecom.pt2026-05-17 → 2026-05-27 · 2 obs
● 2026-05-27 17:18:08
●NSdnsh04.artelecom.pt2026-05-17 → 2026-05-27 · 2 obs
● 2026-05-27 17:18:08
●MXsmtp1.artelecom.pt2026-05-17 → 2026-05-27 · 2 obs
● 2026-05-27 17:18:08
●MXsmtp2.artelecom.pt2026-05-17 → 2026-05-27 · 2 obs
● 2026-05-27 17:18:08
●A213.63.110.332026-05-17 → 2026-05-27 · 2 obs
● 2026-05-27 17:18:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pt | e.dns.pt, c.dns.pt, a.dns.pt, b.dns.pt... | - |
| ar.pt | dnsh03.artelecom.pt, dnsh04.artelecom.pt, dnsh01.artelecom.pt, dnsh02.artelecom.pt | 4 records |
✅ Authoritative Response
Server:213.141.4.252
NS records: dnsh03.artelecom.pt, dnsh04.artelecom.pt, dnsh01.artelecom.pt, dnsh02.artelecom.pt
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 615ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 213.63.110.33 |
| NS | 4 | dnsh02.artelecom.pt, dnsh04.artelecom.pt... |
| MX | 2 | smtp2.artelecom.pt (pri: 20), smtp1.artelecom.pt (pri: 10) |
| TXT | 3 | MS=ms12597401, google-site-verification=EzKyRJMBVQUnHsu... |
| SOA | 1 | dnsh01.artelecom.pt suporte.artelecom.pt |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (dnsh04.artelecom.pt, dnsh03.artelecom.pt, dnsh02.artelecom.pt...)
Analysis
Hierarchy
ar.pt serves as the parent of smtp1.ar.pt and smtp2.ar.pt.
IP Addresses
ar.pt has exactly one IP address — 213.63.110.33.
Other host names, such as artelecom.pt, share IP numbers with ar.pt.
Name Servers
ar.pt is delegated to 4 name servers: dnsh01.artelecom.pt, dnsh02.artelecom.pt, dnsh03.artelecom.pt and dnsh04.artelecom.pt.
ar.pt shares at least some of its name servers with other domains, including progitape.com, 233.63.213.in-addr.arpa, 31.63.213.in-addr.arpa and two others.
Four host names, each with one IP address: dnsh01.artelecom.pt has 213.141.4.251, dnsh02.artelecom.pt has 213.141.27.251, dnsh03.artelecom.pt has 213.141.4.252 and dnsh04.artelecom.pt has 20.199.45.38.
Mail Servers
ar.pt uses two mail servers, smtp1.artelecom.pt and smtp2.artelecom.pt.
The mail server setup of ar.pt matches that of other domains such as sopromad.jazznet.pt, phcsoftware.es, mail.min-cultura.pt and two others.
At least some of the mail servers used by ar.pt are shared with other domains: proder.pt, primefocus.pt, autoridadedaconcorrencia.pt and two others among them.
These mail servers frequently appear alongside the mail servers proder-pt.mail.protection.outlook.com and mail.primefocus.pt.
smtp1.artelecom.pt and smtp2.artelecom.pt each resolve to one IP number: smtp1.artelecom.pt points to 213.141.25.61 and smtp2.artelecom.pt points to 213.141.25.62.