rtfm.pt - robtex.com
rtfm.pt
| DNSSEC | ⚠️ Not signed | ||||||
| A | 193.108.130.23🇱🇺 AS965193.108.130.0/24 | ||||||
| PTR | lu-shared03.dapanel.net | ||||||
| NS | ns5.private-nameserver.net ⭐ | ||||||
| A | 205.185.112.60🇺🇸 FRANTECH205.185.112.0/20 Frantech Solutions | ||||||
| NS | ns6.private-nameserver.net | ||||||
| A | 199.195.255.60🇺🇸 FRANTECH199.195.248.0/21 Frantech Solutions | ||||||
| MX | mx1.mxfilter.net ⭐ | ||||||
| A | 23.147.8.11🇺🇸 AS4682423.147.8.0/24 Announcement | ||||||
| PTR | mx1.mxfilter.net | ||||||
| MX | mx2.mxfilter.net ⭐ | ||||||
| A | 162.244.95.10🇺🇸 AS965162.244.95.0/24 Namecrane | ||||||
| PTR | mx2.mxfilter.net | ||||||
| MX | mx3.mxfilter.net(20) | ||||||
| A | 23.147.8.11🇺🇸 AS4682423.147.8.0/24 Announcement | ||||||
| PTR | mx1.mxfilter.net | ||||||
| TXT | v=spf1 a mx ip4:193.108.130.23 include:spf.mxyeet.net ~all | ||||||
| SOA | ns5.private-nameserver.nethostmaster@rtfm.pt 2024-09-24 #3 | ||||||
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 2026-04-12 #3 | ||||||
Previously MX for
rtfm.pt |
Subdomains
Same first word
Similar names
DNS History
10 records (6 active, 4 former)
○NSns1.private-nameserver.net2018-08-06 → 2018-08-06 · 3 obs
○ 2026-04-09 02:02:24
○ 2026-04-12 01:42:50
○NSns2.private-nameserver.net2018-08-06 → 2018-08-06 · 3 obs
○ 2026-04-09 02:02:24
○ 2026-04-12 01:42:50
●NSns5.private-nameserver.net2026-04-09 → 2026-04-12 · 3 obs
● 2026-04-09 02:02:24
● 2026-04-12 01:42:50
●NSns6.private-nameserver.net2026-04-09 → 2026-04-12 · 3 obs
● 2026-04-09 02:02:24
● 2026-04-12 01:42:50
●MXmx1.mxfilter.net2026-04-09 → 2026-04-12 · 3 obs
● 2026-04-09 02:02:24
● 2026-04-12 01:42:50
●MXmx2.mxfilter.net2026-04-09 → 2026-04-12 · 3 obs
● 2026-04-09 02:02:24
● 2026-04-12 01:42:50
●MXmx3.mxfilter.net2026-04-09 → 2026-04-12 · 3 obs
● 2026-04-09 02:02:24
● 2026-04-12 01:42:50
○MXrtfm.pt2018-08-06 → 2018-08-06 · 3 obs
○ 2026-04-09 02:02:24
○ 2026-04-12 01:42:50
○A107.189.2.2472018-08-06 → 2018-08-06 · 3 obs
○ 2026-04-09 02:02:24
○ 2026-04-12 01:42:50
●A193.108.130.232026-04-09 → 2026-04-12 · 3 obs
● 2026-04-09 02:02:24
● 2026-04-12 01:42:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pt | d.dns.pt, h.dns.pt, a.dns.pt, b.dns.pt... | - |
| rtfm.pt | ns6.private-nameserver.net, ns5.private-nameserver.net | - |
✅ Authoritative Response
Server:199.195.255.60
NS records: ns6.private-nameserver.net, ns5.private-nameserver.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rtfm.pt (unsigned zone)
⏱️ Timing
Total: 771ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 193.108.130.23 |
| NS | 2 | ns6.private-nameserver.net, ns5.private-nameserver.net |
| MX | 3 | mx2.mxfilter.net (pri: 10), mx1.mxfilter.net (pri: 10)... |
| TXT | 1 | v=spf1 a mx ip4:193.108.130.23 include:s |
| SOA | 1 | ns5.private-nameserver.net hostmaster.rt |
Analysis
Hierarchy
rtfm.pt is a parent of ns1.rtfm.pt and ns2.rtfm.pt.
IP Addresses
rtfm.pt resolves to one IP number: 193.108.130.23.
Other host names, for instance lu1.indicserver.com, akupunkturakademin.se, mail.kalayab.com, nvvt.net and botanischetuinzuidas.nl share IP numbers with rtfm.pt.
Name Servers
rtfm.pt's delegation uses two name servers: ns5.private-nameserver.net and ns6.private-nameserver.net.
rtfm.pt uses the same name server setup as other domains, such as euro-uurtje.nl, typesnel.nl, newlittlecollege.cl, rio.ma and kiosfilm.com.
rtfm.pt at least partially shares name servers with other domains, including hostaegis.in, zedservers.co.in, nativabolivia.org, on1.biz and elizabethmariesmith.com.
These name servers are often used with ns1.da.20d.uk and ns2.da.20d.uk.
Host names with a single IP address: ns5.private-nameserver.net points to 205.185.112.60; ns6.private-nameserver.net points to 199.195.255.60.
Mail Servers
Three mail servers handle rtfm.pt: mx1.mxfilter.net, mx2.mxfilter.net and mx3.mxfilter.net.
rtfm.pt shares at least some mail servers with other domains, for example ulakdc.com, hostoxy.com, nusacloudhost.com, datanet.com.ar and ttsop.com.
These mail servers are often used together with the mail servers mx4.mxfilter.net.
Host names with a single IP:
mx1.mxfilter.net points to 23.147.8.11.
mx2.mxfilter.net points to 162.244.95.10.
mx3.mxfilter.net points to 23.147.8.11.
Names pointing to 23.147.8.11: mx1.mxfilter.net and mx3.mxfilter.net.