training.linuxfoundation.org - robtex.com

training.linuxfoundation.org

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:5574🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:cd94🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.85.116Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.205.148🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSamanda.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a3f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamanda.ns.cloudflare.com
A2803:f800:50::6ca2:c03f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRamanda.ns.cloudflare.com
A2a06:98c1:50::ac40:203f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRamanda.ns.cloudflare.com
A108.162.192.63🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamanda.ns.cloudflare.com
A172.64.32.63🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamanda.ns.cloudflare.com
A173.245.58.63🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamanda.ns.cloudflare.com
NSeugene.ns.cloudflare.com
A2606:4700:58::a29f:2c48🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReugene.ns.cloudflare.com
A2803:f800:50::6ca2:c348🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTReugene.ns.cloudflare.com
A2a06:98c1:50::ac40:2348🇺🇸 Cloudflare2a06:98c1:50::/45
PTReugene.ns.cloudflare.com
A108.162.195.72🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReugene.ns.cloudflare.com
A162.159.44.72Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReugene.ns.cloudflare.com
A172.64.35.72🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReugene.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4023:c03::1a🇺🇸 Google2607:f8b0::/32
PTRdy-in-f26.1e100.net
A74.125.137.26🇺🇸 Google74.125.137.0/24
PTRdy-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1b🇨🇱 Google2800:3f0:4003::/48
A108.177.123.27🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f27.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4023:3003::1b🇺🇸 Google2607:f8b0::/32
PTRyulnkjt-in-f27.1e100.net
A172.253.145.27🇺🇸 Google172.253.145.0/24
PTRyulnkjt-in-f27.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1b🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f27.1e100.net
A192.178.223.27🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c00::1a🇧🇪 Google2a00:1450:400c::/48
PTRws-in-f26.1e100.net
PTRws-in-x1a.1e100.net
A173.194.76.27🇺🇸 Google173.194.76.0/24
PTRws-in-f27.1e100.net
TXTgoogle-site-verification=-waZeKlf4bsoKhs0HuLI3ba7fPzP5PnYo84dvx08xOE
TXTv=spf1 include:8112310.spf10.hubspotemail.net -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.85.116, 172.67.205.148
IPv6 hints2606:4700:3034::6815:5574, 2606:4700:3035::ac43:cd94
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=174, name=cloudflare-ech.com
SOAamanda.ns.cloudflare.comdns@cloudflare.com serial=2401950801

linuxfoundation.org

DNSSEC⚠️ Not signed
A3.131.150.69🇺🇸 Amazon3.131.0.0/16 EC2 CMH prefix
NSns1.dnsimple.com ⭐
NSns2.dnsimple-edge.net
NSns3.dnsimple.com
NSns4.dnsimple-edge.org
MXsmtp.google.com ⭐
TXTasv=c1fdffadb0fd615cad7c3830edd07ed4
TXTfacebook-domain-verification=qszecvsg1sxiy6ula1zumzw4z247ra
TXTgoogle-site-verification=7fAmztvM0wOJRENtNl_PJUeEd4eUJxORFZ_mntw_O7A
TXTgoogle-site-verification=a8A4fR7tzctgZOlQxocIsntJ1g8Z9cbs0n9Aa5nXNwY
TXTh1-domain-verification=RW2zqC5Bj38rfdBSmzPtCSS1TNKA3A9ECMCtd3PnLJ1FjkyF
TXThubspot-developer-verification=MWI3OGJhN2ItZmEyNi00Y2YwLWFhY2ItNTk1MjY0ZGNjNDk4
TXTv=spf1 ip4:72.55.140.81 ip4:208.117.49.186 include:_spf.kernel.org include:_s...
TXT9484b892358a64444745dd08fa0ab81b
TXTD4A3BBDF34
TXTZOOM_verify_p8ePICiOQgaSJHn-6yQBPg
TXTanthropic-domain-verification-sq0ey1=XppeaJedG8KD2nK8ldjCeokcn
TXTgoogle-site-verification=ePAjH3vCphIY2_rgMHImyk1COdKj1vawgxFn7V_TMGc
TXTsegment-site-verification=yPsODPJsnI9Rrj0xOCoR0yWIEaZqYfcN
TXTsprout-social-8e0eec3a-98cb-4149-8898-17ecfd1bf5bf
SOAns1.dnsimple.comadmin@dnsimple.com serial=1557514339
WOT: SAFE (90/100)
rank #2398 globally
rank #297 in the tld
WOT: SAFE (96/100)
📈 Tranco rank: #10,404

Same first word

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ngartiin.blogspot.com
trainnig.com
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iranting.com
intangir.org

DNS History

19 records (11 active, 8 former)

20162017201820192020202120222023202420252026NSamanda.ns.cloudflare.comeugene.ns.cloudflare.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comA104.21.85.116172.67.205.1482606:4700:3034::6815:55742606:4700:3035::ac43:cd94140.211.169.4188.114.96.0188.114.97.023.185.0.12620:12a:8000::12620:12a:8001::12a06:98c1:3120::2a06:98c1:3121::
●NSamanda.ns.cloudflare.com2026-04-18 → 2026-04-20 · 2 obs
● 2026-04-18 02:51:10
● 2026-04-20 11:41:36
●NSeugene.ns.cloudflare.com2026-04-18 → 2026-04-20 · 2 obs
● 2026-04-18 02:51:10
● 2026-04-20 11:41:36
●MXalt1.aspmx.l.google.com2026-02-17 → 2026-04-20 · 2 obs
● 2026-02-17 12:56:38
● 2026-04-20 11:41:36
●MXalt2.aspmx.l.google.com2026-02-17 → 2026-04-20 · 2 obs
● 2026-02-17 12:56:38
● 2026-04-20 11:41:36
●MXalt3.aspmx.l.google.com2026-02-17 → 2026-04-20 · 2 obs
● 2026-02-17 12:56:38
● 2026-04-20 11:41:36
●MXalt4.aspmx.l.google.com2026-02-17 → 2026-04-20 · 2 obs
● 2026-02-17 12:56:38
● 2026-04-20 11:41:36
●MXaspmx.l.google.com2026-02-17 → 2026-04-20 · 2 obs
● 2026-02-17 12:56:38
● 2026-04-20 11:41:36
●A104.21.85.1162026-04-18 → 2026-04-20 · 11 obs
○ 2026-04-17 15:30:26
● 2026-04-18 02:51:10
● 2026-04-18 17:20:50
○ 2026-04-19 15:01:52
○ 2026-04-19 18:48:56
● 2026-04-19 23:00:32
○ 2026-04-20 01:58:48
● 2026-04-20 04:20:18
● 2026-04-20 06:47:04
○ 2026-04-20 07:32:02
● 2026-04-20 11:41:36
○A140.211.169.42015-08-14 → 2016-04-17 · 4 obs
● 2015-08-14 23:47:06
● 2016-04-17 17:58:02
○ 2026-02-17 12:56:38
○ 2026-04-20 11:41:36
●A172.67.205.1482026-04-18 → 2026-04-20 · 11 obs
○ 2026-04-17 15:30:26
● 2026-04-18 02:51:10
● 2026-04-18 17:20:50
○ 2026-04-19 15:01:52
○ 2026-04-19 18:48:56
● 2026-04-19 23:00:32
○ 2026-04-20 01:58:48
● 2026-04-20 04:20:18
● 2026-04-20 06:47:04
○ 2026-04-20 07:32:02
● 2026-04-20 11:41:36
○A188.114.96.02026-04-19 → 2026-04-20 · 9 obs
○ 2026-04-18 17:20:50
● 2026-04-19 15:01:52
● 2026-04-19 18:48:56
○ 2026-04-19 23:00:32
● 2026-04-20 01:58:48
○ 2026-04-20 04:20:18
○ 2026-04-20 06:47:04
● 2026-04-20 07:32:02
○ 2026-04-20 11:41:36
○A188.114.97.02026-04-19 → 2026-04-20 · 9 obs
○ 2026-04-18 17:20:50
● 2026-04-19 15:01:52
● 2026-04-19 18:48:56
○ 2026-04-19 23:00:32
● 2026-04-20 01:58:48
○ 2026-04-20 04:20:18
○ 2026-04-20 06:47:04
● 2026-04-20 07:32:02
○ 2026-04-20 11:41:36
○A23.185.0.12026-02-17 → 2026-04-17 · 5 obs
○ 2016-04-17 17:58:02
● 2026-02-17 12:56:38
● 2026-04-17 15:30:26
○ 2026-04-18 02:51:10
○ 2026-04-20 11:41:36
●A2606:4700:3034::6815:55742026-04-18 → 2026-04-20 · 11 obs
○ 2026-04-17 15:30:26
● 2026-04-18 02:51:10
● 2026-04-18 17:20:50
○ 2026-04-19 15:01:52
○ 2026-04-19 18:48:56
● 2026-04-19 23:00:32
○ 2026-04-20 01:58:48
● 2026-04-20 04:20:18
● 2026-04-20 06:47:04
○ 2026-04-20 07:32:02
● 2026-04-20 11:41:36
●A2606:4700:3035::ac43:cd942026-04-18 → 2026-04-20 · 11 obs
○ 2026-04-17 15:30:26
● 2026-04-18 02:51:10
● 2026-04-18 17:20:50
○ 2026-04-19 15:01:52
○ 2026-04-19 18:48:56
● 2026-04-19 23:00:32
○ 2026-04-20 01:58:48
● 2026-04-20 04:20:18
● 2026-04-20 06:47:04
○ 2026-04-20 07:32:02
● 2026-04-20 11:41:36
○A2620:12a:8000::12026-02-17 → 2026-04-17 · 5 obs
○ 2016-04-17 17:58:02
● 2026-02-17 12:56:38
● 2026-04-17 15:30:26
○ 2026-04-18 02:51:10
○ 2026-04-20 11:41:36
○A2620:12a:8001::12026-02-17 → 2026-04-17 · 5 obs
○ 2016-04-17 17:58:02
● 2026-02-17 12:56:38
● 2026-04-17 15:30:26
○ 2026-04-18 02:51:10
○ 2026-04-20 11:41:36
○A2a06:98c1:3120::2026-04-19 → 2026-04-20 · 9 obs
○ 2026-04-18 17:20:50
● 2026-04-19 15:01:52
● 2026-04-19 18:48:56
○ 2026-04-19 23:00:32
● 2026-04-20 01:58:48
○ 2026-04-20 04:20:18
○ 2026-04-20 06:47:04
● 2026-04-20 07:32:02
○ 2026-04-20 11:41:36
○A2a06:98c1:3121::2026-04-19 → 2026-04-20 · 9 obs
○ 2026-04-18 17:20:50
● 2026-04-19 15:01:52
● 2026-04-19 18:48:56
○ 2026-04-19 23:00:32
● 2026-04-20 01:58:48
○ 2026-04-20 04:20:18
○ 2026-04-20 06:47:04
● 2026-04-20 07:32:02
○ 2026-04-20 11:41:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
linuxfoundation.orgns2.dnsimple-edge.net, ns1.dnsimple.com, ns3.dnsimple.com, ns4.dnsimple-edge.org2 records
training.linuxfoundation.orgamanda.ns.cloudflare.com, eugene.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.195.72

NS records: amanda.ns.cloudflare.com, eugene.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linuxfoundation.org (unsigned zone)

⏱️ Timing

Total: 1201ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.205.148, 104.21.85.116
AAAA22606:4700:3035::ac43:cd94, 2606:4700:3034::6815:5574
NS2amanda.ns.cloudflare.com, eugene.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT2google-site-verification=-waZeKlf4bsoKhs, v=spf1 include:8112310.spf10.hubspotemai
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1amanda.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns4.dnsimple-edge.org, ns4.dnsimple-edge.org)

Analysis

IP Addresses

training.linuxfoundation.org points to four IP numbers: 2606:4700:3034::6815:5574, 2606:4700:3035::ac43:cd94, 104.21.85.116 and 172.67.205.148.

Other host names, for instance bestzkeyflowhub.monster, mail.gfmalliance.com, citeablebase.click, yaelsher.co.il and thispageisup.com share IP numbers with training.linuxfoundation.org.

Name Servers

Delegation for training.linuxfoundation.org rests with two name servers, amanda.ns.cloudflare.com and eugene.ns.cloudflare.com.

training.linuxfoundation.org shares the same name server setup as other domains, including alkinburgh.com, privatewiki.opnfv.org, indonesiatren.com, wiki.linuxfoundation.org and opscloud.eu.

training.linuxfoundation.org at least partially shares name servers with other domains, for instance freespirit.org, justyari.com, shdiuhka.com, koszko.com and yacht-forum.co.uk.

these name servers are commonly used with ulla.ns.cloudflare.com, sue.ns.cloudflare.com and andy.ns.cloudflare.com.

Host names with six IP numbers: amanda.ns.cloudflare.com points to: 2606:4700:50::adf5:3a3f, 2803:f800:50::6ca2:c03f, 2a06:98c1:50::ac40:203f, 108.162.192.63, 172.64.32.63 and 173.245.58.63. eugene.ns.cloudflare.com points to: 2606:4700:58::a29f:2c48, 2803:f800:50::6ca2:c348, 2a06:98c1:50::ac40:2348, 108.162.195.72, 162.159.44.72 and 172.64.35.72.

Mail Servers

training.linuxfoundation.org is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

training.linuxfoundation.org shares mail servers with other domains at least in part, for instance umalia.ca, uxinteractive.com, ns500841.ns500794.ns500794.ns500841.ns500794.ns500841.ns500821.ns500794.ns500821.ns500794.ns500795.ns500794.ns500821.ns500821.ns500790.ns500795.lustypartnersfinder.com, ns500742.ns500731.ns500731.ns500731.ns500742.ns500731.ns500705.ns500705.ns500649.ns500291.ns500678.ns500666.ns500142.lusty(0x736c7574)z.com and ns500742.ns500671.ns500742.ns500731.ns500731.ns500704.ns500688.ns500688.ns500688.ns500671.ns500671.ns500649.tenderladiesbz.com.

These mail servers are often used with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to 2607:f8b0:4023:c03::1a and 74.125.137.26.

alt1.aspmx.l.google.com points to 2800:3f0:4003:c0f::1b and 108.177.123.27.

alt2.aspmx.l.google.com points to 2607:f8b0:4023:3003::1b and 172.253.145.27.

alt3.aspmx.l.google.com points to 2a00:1450:4009:c0f::1b and 192.178.223.27.

alt4.aspmx.l.google.com points to 2a00:1450:400c:c00::1a and 173.194.76.27.