rtfm-lang.org - robtex.com

rtfm-lang.org

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:536🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:8501🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.5.54Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.133.1🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjobs.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bb7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjobs.ns.cloudflare.com
A2803:f800:50::6ca2:c1b7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjobs.ns.cloudflare.com
A2a06:98c1:50::ac40:21b7🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjobs.ns.cloudflare.com
A108.162.193.183🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjobs.ns.cloudflare.com
A172.64.33.183🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjobs.ns.cloudflare.com
A173.245.59.183🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjobs.ns.cloudflare.com
NSshubhi.ns.cloudflare.com
A2606:4700:50::a29f:263f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRshubhi.ns.cloudflare.com
A2803:f800:50::6ca2:c23f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRshubhi.ns.cloudflare.com
A2a06:98c1:50::ac40:223f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRshubhi.ns.cloudflare.com
A108.162.194.63🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRshubhi.ns.cloudflare.com
A162.159.38.63Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRshubhi.ns.cloudflare.com
A172.64.34.63🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRshubhi.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.5.54, 172.67.133.1
IPv6 hints2606:4700:3030::6815:536, 2606:4700:3035::ac43:8501
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=209, name=cloudflare-ech.com
SOAjobs.ns.cloudflare.comdns@cloudflare.com serial=2400135958

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1776072156

Subdomains

mail2.rtfm-lang.org

Same first word

rtfm-lang.org

DNS History

14 records (6 active, 8 former)

20162017201820192020202120222023202420252026NSjobs.ns.cloudflare.comshubhi.ns.cloudflare.comns3.binero.sens4.binero.sens5.binero.sens6.binero.sens7.binero.seMXmail.rtfm-lang.orgmail2.rtfm-lang.orgA104.21.5.54172.67.133.12606:4700:3030::6815:5362606:4700:3035::ac43:8501195.74.38.95
●NSjobs.ns.cloudflare.com2026-03-19 → 2026-04-13 · 3 obs
○ 2019-01-10 17:49:52
● 2026-03-19 05:09:24
● 2026-04-13 09:35:58
○NSns3.binero.se2015-08-17 → 2019-01-10 · 4 obs
● 2015-08-17 01:05:46
● 2019-01-10 17:49:52
○ 2026-03-19 05:09:24
○ 2026-04-13 09:35:58
○NSns4.binero.se2015-08-17 → 2019-01-10 · 4 obs
● 2015-08-17 01:05:46
● 2019-01-10 17:49:52
○ 2026-03-19 05:09:24
○ 2026-04-13 09:35:58
○NSns5.binero.se2015-08-17 → 2019-01-10 · 4 obs
● 2015-08-17 01:05:46
● 2019-01-10 17:49:52
○ 2026-03-19 05:09:24
○ 2026-04-13 09:35:58
○NSns6.binero.se2015-08-17 → 2019-01-10 · 4 obs
● 2015-08-17 01:05:46
● 2019-01-10 17:49:52
○ 2026-03-19 05:09:24
○ 2026-04-13 09:35:58
○NSns7.binero.se2015-08-17 → 2019-01-10 · 4 obs
● 2015-08-17 01:05:46
● 2019-01-10 17:49:52
○ 2026-03-19 05:09:24
○ 2026-04-13 09:35:58
●NSshubhi.ns.cloudflare.com2026-03-19 → 2026-04-13 · 3 obs
○ 2019-01-10 17:49:52
● 2026-03-19 05:09:24
● 2026-04-13 09:35:58
○MXmail.rtfm-lang.org2015-08-17 → 2019-01-10 · 4 obs
● 2015-08-17 01:05:46
● 2019-01-10 17:49:52
○ 2026-03-19 05:09:24
○ 2026-04-13 09:35:58
○MXmail2.rtfm-lang.org2015-08-17 → 2019-01-10 · 4 obs
● 2015-08-17 01:05:46
● 2019-01-10 17:49:52
○ 2026-03-19 05:09:24
○ 2026-04-13 09:35:58
●A104.21.5.542026-03-19 → 2026-04-13 · 3 obs
○ 2019-01-10 17:49:52
● 2026-03-19 05:09:24
● 2026-04-13 09:35:58
●A172.67.133.12026-03-19 → 2026-04-13 · 3 obs
○ 2019-01-10 17:49:52
● 2026-03-19 05:09:24
● 2026-04-13 09:35:58
○A195.74.38.952015-08-17 → 2019-01-10 · 4 obs
● 2015-08-17 01:05:46
● 2019-01-10 17:49:52
○ 2026-03-19 05:09:24
○ 2026-04-13 09:35:58
●A2606:4700:3030::6815:5362026-03-19 → 2026-04-13 · 3 obs
○ 2019-01-10 17:49:52
● 2026-03-19 05:09:24
● 2026-04-13 09:35:58
●A2606:4700:3035::ac43:85012026-03-19 → 2026-04-13 · 3 obs
○ 2019-01-10 17:49:52
● 2026-03-19 05:09:24
● 2026-04-13 09:35:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org-
rtfm-lang.orgjobs.ns.cloudflare.com, shubhi.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.63

NS records: jobs.ns.cloudflare.com, shubhi.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rtfm-lang.org (unsigned zone)

⏱️ Timing

Total: 565ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.5.54, 172.67.133.1
AAAA22606:4700:3030::6815:536, 2606:4700:3035::ac43:8501
NS2jobs.ns.cloudflare.com, shubhi.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1jobs.ns.cloudflare.com dns.cloudflare.co

Analysis

Hierarchy

rtfm-lang.org is the parent of mail2.rtfm-lang.org.

IP Addresses

rtfm-lang.org resolves to four IP numbers: 2606:4700:3030::6815:536, 2606:4700:3035::ac43:8501, 104.21.5.54 and 172.67.133.1.

other host names for instance phi-computers.de, hellspincasino-wins.com, www.belfred.com, 656798.com and guv-electronics.com share IP numbers with rtfm-lang.org.

Name Servers

rtfm-lang.org is delegated to two name servers: jobs.ns.cloudflare.com and shubhi.ns.cloudflare.com.

rtfm-lang.org shares the same name server setup as other domains, for example googleplzy.com, googlemmk.com, willisdesign.com, pgpc.in and 561hsjb1561.com.

rtfm-lang.org at least partially shares name servers with other domains, for instance dogtore.it, shmqzx.com, gillion.io, lhpool.se and thehostservers.com.

These name servers are commonly used with hank.ns.cloudflare.com, nick.ns.cloudflare.com and newt.ns.cloudflare.com.

Host names with six IP numbers:

jobs.ns.cloudflare.com points to: 2606:4700:58::adf5:3bb7, 2803:f800:50::6ca2:c1b7, 2a06:98c1:50::ac40:21b7, 108.162.193.183, 172.64.33.183 and 173.245.59.183; shubhi.ns.cloudflare.com points to: 2606:4700:50::a29f:263f, 2803:f800:50::6ca2:c23f, 2a06:98c1:50::ac40:223f, 108.162.194.63, 162.159.38.63 and 172.64.34.63.