rtfm.com - dns.ninja
rtfm.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1782899796 | ||||||
rank #224210 in the tld
Subdomains
www.rtfm.com |
Same first word
Similar names
DNS History
10 records (9 active, 1 former)
●NSns1.dreamhost.com2015-08-04 → 2026-07-01 · 2 obs
● 2026-07-01 10:24:18
●NSns2.dreamhost.com2015-08-04 → 2026-07-01 · 2 obs
● 2026-07-01 10:24:18
●NSns3.dreamhost.com2015-08-04 → 2026-07-01 · 2 obs
● 2026-07-01 10:24:18
●MXalt1.aspmx.l.google.com2015-08-04 → 2026-07-01 · 2 obs
● 2026-07-01 10:24:18
●MXalt2.aspmx.l.google.com2015-08-04 → 2026-07-01 · 2 obs
● 2026-07-01 10:24:18
●MXalt3.aspmx.l.google.com2015-08-04 → 2026-07-01 · 2 obs
● 2026-07-01 10:24:18
●MXalt4.aspmx.l.google.com2015-08-04 → 2026-07-01 · 2 obs
● 2026-07-01 10:24:18
●MXaspmx.l.google.com2015-08-04 → 2026-07-01 · 2 obs
● 2026-07-01 10:24:18
●A173.236.192.1142026-03-12 → 2026-07-01 · 3 obs
● 2026-03-12 02:49:36
● 2026-07-01 10:24:18
○A66.33.211.1542015-08-04 → 2017-05-08 · 4 obs
● 2017-05-08 16:58:30
○ 2026-03-12 02:49:36
○ 2026-07-01 10:24:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| rtfm.com | ns1.dreamhost.com, ns2.dreamhost.com, ns3.dreamhost.com | 3 records |
✅ Authoritative Response
Server:162.159.26.81
NS records: ns1.dreamhost.com, ns2.dreamhost.com, ns3.dreamhost.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rtfm.com (unsigned zone)
⏱️ Timing
Total: 186ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 173.236.192.114 |
| NS | 3 | ns2.dreamhost.com, ns1.dreamhost.com... |
| MX | 5 | ALT4.ASPMX.L.GOOGLE.com (pri: 10), ALT1.ASPMX.L.GOOGLE.com (pri: 5)... |
| SOA | 1 | ns1.dreamhost.com hostmaster.dreamhost.c |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.dreamhost.com, ns2.dreamhost.com, ns3.dreamhost.com)
Analysis
Hierarchy
The domain www.rtfm.com falls under the parent rtfm.com.
IP Addresses
rtfm.com resolves to one IP address: 173.236.192.114.
www.streamlucent.com, sigmakappanu.org, willcad.org and two other host names share IP numbers with rtfm.com.
Name Servers
The authoritative name servers for rtfm.com are ns1.dreamhost.com, ns2.dreamhost.com and ns3.dreamhost.com — three in total.
At least some of rtfm.com's name servers are shared with other domains, for example vandevoorde.com, ecole-russe.eu, tocapetdoctor.com and two more.
The hostnames ns1.dreamhost.com, ns2.dreamhost.com and ns3.dreamhost.com each resolve to a single IP: ns1.dreamhost.com → 162.159.26.14, ns2.dreamhost.com → 162.159.26.81, ns3.dreamhost.com → 162.159.27.84.
Mail Servers
Five mail servers handle rtfm.com: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
rtfm.com has at least partial mail server overlap with other domains such as literaryescapism.com, odontointegrada.com.br, roch.co and two more.
These mail servers commonly co-occur with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 others.
Hostnames that resolve to two IP addresses:
aspmx.l.google.com directs traffic to 172.253.62.27 and 2607:f8b0:4004:c23::1b.
alt1.aspmx.l.google.com directs traffic to 108.177.123.26 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com directs traffic to 172.253.116.27 and 2a00:1450:400b:c02::1a.
alt3.aspmx.l.google.com directs traffic to 192.178.223.27 and 2a00:1450:4009:c0f::1b.
alt4.aspmx.l.google.com directs traffic to 172.253.157.27 and 2a00:1450:400c:c23::1b.