b4b.pt - robtex.com
b4b.pt
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.32.190.38🇵🇹 PTServidor185.32.188.0/22 Sampling Line, Lda - PTServidor | ||||||
| PTR | enterprise2.ptservidor.net | ||||||
| NS | ns1.ptservidor.net ⭐ | ||||||
| A | 2a00:c560:c0c0:1a1a::57🇵🇹 PTServidor2a00:c560::/29 Sampling Line, Lda - PTServidor | ||||||
| PTR | ns1.ptservidor.net | ||||||
| A | 185.32.188.57🇵🇹 PTServidor185.32.188.0/22 Sampling Line, Lda - PTServidor | ||||||
| PTR | ns1.ptservidor.net | ||||||
| NS | ns2.ptservidor.net | ||||||
| A | 2001:41d0:303:853e::2🇫🇷 OVH2001:41d0::/32 IPv6 | ||||||
| A | 46.105.37.1🇫🇷 OVH46.105.0.0/16 ISP Paris, France | ||||||
| PTR | ns2.ptservidor.net | ||||||
| NS | ns3.ptservidor.net | ||||||
| A | 2a01:4f8:c17:40f8::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns3.ptservidor.net | ||||||
| A | 78.47.99.136🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5 | ||||||
| PTR | ns3.ptservidor.net | ||||||
| MX | mail.b4b.pt ⭐ | ||||||
| A | 185.32.190.38🇵🇹 PTServidor185.32.188.0/22 Sampling Line, Lda - PTServidor | ||||||
| PTR | enterprise2.ptservidor.net | ||||||
| TXT | v=spf1 ip4:185.32.190.38 ip4:185.32.188.222 include:_spf.ptservidor.net ip4:1... | ||||||
| SOA | ns1.ptservidor.netservidores@ptservidor.net 2026-04-28 #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 2026-07-04 #20 | ||||||
Previously MX for
b4b.pt |
Subdomains
mail.b4b.pt |
Same first word
Similar names
4bb.mobi |
4bb.de |
4bb.info |
bb4.nl |
bb4.us |
bb4.co |
4bb.us |
bb4.be |
4bb.cc |
4bb.co.uk |
4bb.nl |
4bb.me |
4bb.com |
bb4.life |
bb4.me |
4bb.org |
bb4.icu |
bb4.biz |
4bb.ru |
4bb.eu |
bb4.ru |
bb4.com |
bb4.org |
4bb.net |
bb4.de |
bb4.net |
4bb.cz |
DNS History
9 records (5 active, 4 former)
●NSns1.ptservidor.net2015-07-21 → 2026-07-04 · 2 obs
● 2026-07-04 09:55:52
●NSns2.ptservidor.net2015-07-21 → 2026-07-04 · 2 obs
● 2026-07-04 09:55:52
●NSns3.ptservidor.net2015-07-21 → 2026-07-04 · 2 obs
● 2026-07-04 09:55:52
○MXb4b.pt2015-07-21 → 2017-03-23 · 4 obs
● 2017-03-23 16:41:58
○ 2026-06-11 11:19:30
○ 2026-07-04 09:55:52
●MXmail.b4b.pt2026-06-11 → 2026-07-04 · 3 obs
● 2026-06-11 11:19:30
● 2026-07-04 09:55:52
○A185.32.188.192015-07-21 → 2015-07-21 · 3 obs
○ 2015-09-22 04:52:44
○ 2026-07-04 09:55:52
○A185.32.188.2092015-09-22 → 2016-04-08 · 5 obs
● 2015-09-22 04:52:44
● 2016-04-08 09:40:46
○ 2017-03-23 16:41:58
○ 2026-07-04 09:55:52
○A185.32.188.382017-03-23 → 2017-03-23 · 4 obs
● 2017-03-23 16:41:58
○ 2026-06-11 11:19:30
○ 2026-07-04 09:55:52
●A185.32.190.382026-06-11 → 2026-07-04 · 3 obs
● 2026-06-11 11:19:30
● 2026-07-04 09:55:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pt | a.dns.pt, b.dns.pt, c.dns.pt, d.dns.pt... | 18 records |
| b4b.pt | ns3.ptservidor.net, ns1.ptservidor.net, ns2.ptservidor.net | - |
✅ Authoritative Response
Server:46.105.37.1
NS records: ns3.ptservidor.net, ns1.ptservidor.net, ns2.ptservidor.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for b4b.pt (unsigned zone)
⏱️ Timing
Total: 1119ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.32.190.38 |
| NS | 3 | ns2.ptservidor.net, ns3.ptservidor.net... |
| MX | 1 | mail.b4b.pt (pri: 0) |
| TXT | 1 | v=spf1 ip4:185.32.190.38 ip4:185.32.188. |
| SOA | 1 | ns1.ptservidor.net servidores.ptservidor |
📌 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
b4b.pt is the parent zone for mail.b4b.pt.
IP Addresses
b4b.pt resolves to one IP address: 185.32.190.38.
corsario.pt, ecototal.pt, symbso.com and two other host names share IP numbers with b4b.pt.
Name Servers
b4b.pt has three name servers — ns1.ptservidor.net, ns2.ptservidor.net and ns3.ptservidor.net.
b4b.pt partially shares its NS delegation with several other domains, including hoteis.pt, tcoutoagenciafuneraria.pt, asportuguesas.shoes and two others.
These name servers are regularly seen alongside ns46.ptservidor.net and ns47.ptservidor.net as name servers.
Each of ns1.ptservidor.net, ns2.ptservidor.net and ns3.ptservidor.net points to two IP numbers. ns1.ptservidor.net points to 185.32.188.57 and 2a00:c560:c0c0:1a1a::57. ns2.ptservidor.net points to 46.105.37.1 and 2001:41d0:303:853e::2. ns3.ptservidor.net points to 78.47.99.136 and 2a01:4f8:c17:40f8::1.
Mail Servers
Mail for b4b.pt is handled by a single mail server, mail.b4b.pt.
mail.b4b.pt points to one IP number — 185.32.190.38.