backbone.pt - dns.ninja
backbone.pt
| DNSSEC | ⚠️ Not signed | ||||||
| A | 89.26.251.16🇵🇹 ONI89.26.128.0/17 TELECOM - This space is statically assigned | ||||||
| PTR | ws3.multisnet.net | ||||||
| NS | ns1.multisnet.net ⭐ | ||||||
| A | 89.26.251.10🇵🇹 ONI89.26.128.0/17 TELECOM - This space is statically assigned | ||||||
| PTR | ns1.multisnet.net | ||||||
| NS | ns2.multisnet.net | ||||||
| A | 89.26.251.20🇵🇹 ONI89.26.128.0/17 TELECOM - This space is statically assigned | ||||||
| PTR | ns2.multisnet.net | ||||||
| MX | mail.backbone.pt ⭐ | ||||||
| A | 89.26.251.16🇵🇹 ONI89.26.128.0/17 TELECOM - This space is statically assigned | ||||||
| PTR | ws3.multisnet.net | ||||||
| TXT | v=spf1 +mx +a +ip4:89.26.251.16 -all | ||||||
| SOA | ns1.multisnet.netmanaged@multisnet.com 2026-06-09 #1 | ||||||
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 2026-06-29 #6 | ||||||
Previously MX for
mail.backbone.pt |
Subdomains
mail.backbone.pt |
Same first word
Similar names
DNS History
7 records (4 active, 3 former)
○NSns0.ukfast.net2015-08-07 → 2017-03-27 · 4 obs
● 2017-03-27 15:56:22
○ 2026-03-11 09:38:20
○ 2026-06-29 02:56:42
●NSns1.multisnet.net2026-03-11 → 2026-06-29 · 3 obs
● 2026-03-11 09:38:20
● 2026-06-29 02:56:42
○NSns1.ukfast.net2015-08-07 → 2017-03-27 · 4 obs
● 2017-03-27 15:56:22
○ 2026-03-11 09:38:20
○ 2026-06-29 02:56:42
●NSns2.multisnet.net2026-03-11 → 2026-06-29 · 3 obs
● 2026-03-11 09:38:20
● 2026-06-29 02:56:42
●MXmail.backbone.pt2015-08-07 → 2026-06-29 · 2 obs
● 2026-06-29 02:56:42
○A78.109.166.1372015-08-07 → 2017-03-27 · 4 obs
● 2017-03-27 15:56:22
○ 2026-03-11 09:38:20
○ 2026-06-29 02:56:42
●A89.26.251.162026-03-11 → 2026-06-29 · 3 obs
● 2026-03-11 09:38:20
● 2026-06-29 02:56:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pt | a.dns.pt, b.dns.pt, c.dns.pt, d.dns.pt... | - |
| backbone.pt | ns1.multisnet.net, ns2.multisnet.net | - |
✅ Authoritative Response
Server:89.26.251.20
NS records: ns1.multisnet.net, ns2.multisnet.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for backbone.pt (unsigned zone)
⏱️ Timing
Total: 3049ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 89.26.251.16 |
| NS | 2 | ns1.multisnet.net, ns2.multisnet.net |
| MX | 1 | mail.backbone.pt (pri: 10) |
| TXT | 1 | v=spf1 +mx +a +ip4:89.26.251.16 -all |
| SOA | 1 | ns1.multisnet.net managed.multisnet.com |
Analysis
Hierarchy
mail.backbone.pt is a subdomain of backbone.pt.
IP Addresses
backbone.pt directs to one IP number, which is 89.26.251.16.
Among the host names that share IP numbers with backbone.pt are mail.amccweb.com, imofactor.com, extremoambiente.com and two others.
Name Servers
Two name servers handle the delegation for backbone.pt: ns1.multisnet.net and ns2.multisnet.net.
backbone.pt has the same name server delegation as a number of other domains, such as watercare.com.pt, fotolider.pt, tasteoflisbon.org and two more.
The name servers of backbone.pt overlap at least partially with those of other domains — among them ondataweb.com, toxinn.com, deepfreeze.pt and two more.
These name servers commonly appear alongside the name servers ns1.ergostek.net and ns2.ergostek.net.
Both ns1.multisnet.net and ns2.multisnet.net have a single IP address each — ns1.multisnet.net resolves to 89.26.251.10 while ns2.multisnet.net resolves to 89.26.251.20.
Mail Servers
backbone.pt routes its mail through a single mail server, mail.backbone.pt.
mail.backbone.pt carries a single IP number, which is 89.26.251.16.