tk20.com - robtex.com

tk20.com

DNSSEC⚠️ Not signed
A34.198.24.3🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix
PTRec2-34-198-24-3.compute-1.amazonaws.com
NSns-672.awsdns-20.net ⭐
A2600:9000:5302:a000::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront
PTRns-672.awsdns-20.net
A205.251.194.160🇺🇸 Amazon205.251.194.0/24 prefix
PTRns-672.awsdns-20.net
NSns-105.awsdns-13.com
A2600:9000:5300:6900::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront
PTRns-105.awsdns-13.com
A205.251.192.105🇺🇸 Amazon205.251.192.0/24 prefix
PTRns-105.awsdns-13.com
NSns-1167.awsdns-17.org
A2600:9000:5304:8f00::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront
PTRns-1167.awsdns-17.org
A205.251.196.143🇺🇸 Amazon205.251.196.0/24 prefix
PTRns-1167.awsdns-17.org
NSns-1899.awsdns-45.co.uk
A2600:9000:5307:6b00::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront
PTRns-1899.awsdns-45.co.uk
A205.251.199.107🇺🇸 Amazon205.251.199.0/24 prefix
PTRns-1899.awsdns-45.co.uk
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c19::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbk-in-f27.1e100.net
A172.253.62.27🇺🇸 Google172.253.62.0/24
PTRbc-in-f27.1e100.net
MXalt1.aspmx.l.google.com(20)
A2607:f8b0:4003:c30::1b🇺🇸 Google2607:f8b0:4003::/48
PTRyutulis-in-f27.1e100.net
A74.125.27.26🇺🇸 Google74.125.27.0/24
PTRyutulis-in-f26.1e100.net
MXalt2.aspmx.l.google.com(30)
A2607:f8b0:4001:c70::1a🇺🇸 Google2607:f8b0:4001::/48
PTRyucbful-in-f26.1e100.net
A192.178.209.26🇺🇸 Google192.178.209.0/24
PTRyucbful-in-f26.1e100.net
MXaspmx2.googlemail.com(40)
A2607:f8b0:4003:c30::1b🇺🇸 Google2607:f8b0:4003::/48
PTRyutulis-in-f27.1e100.net
A74.125.27.27🇺🇸 Google74.125.27.0/24
PTRyutulis-in-f27.1e100.net
MXaspmx3.googlemail.com(50)
A2607:f8b0:4001:c70::1a🇺🇸 Google2607:f8b0:4001::/48
PTRyucbful-in-f26.1e100.net
A192.178.209.27🇺🇸 Google192.178.209.0/24
PTRyucbful-in-f27.1e100.net
TXTv=spf1 include:_spf.google.com include:mail.zendesk.com ip4:54.221.113.116 ip...
SOAns-672.awsdns-20.netawsdns-hostmaster@amazon.com serial=1

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291435
rank #905092 globally
rank #416155 in the tld

Subdomains

usm.tk20.com
txstate.tk20.com
pccc.tk20.com
inter.tk20.com
bsu.tk20.com
oswego.tk20.com
www.tk20.com
corban.tk20.com
untdallas.tk20.com
ursuline.tk20.com
umbc.tk20.com
mail.tk20.com
osu.tk20.com
pearsonintegration.tk20.com
appstate.tk20.com
miles.tk20.com
gsssfordham.tk20.com
auburn.tk20.com
lagrange.tk20.com
mwsu.tk20.com

Same first word

tk20.org
tk20.com

Similar names

02kt.com
02tk.com
20tk.ru
t20k.com
kt20.cn
20kt.com
02kt.top

DNS History

22 records (10 active, 12 former)

20162017201820192020202120222023202420252026NSns-105.awsdns-13.comns-1167.awsdns-17.orgns-1899.awsdns-45.co.ukns-672.awsdns-20.netans1.dfw1.qualitytech.comans1.jcy1.qualitytech.comans1.sjc1.qualitytech.comdc1.tk20internal.comdc3.tk20internal.comns1.corenap.comns2.corenap.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comalt3.aspmx.l.google.comalt4.aspmx.l.google.commail.tk20.comA34.198.24.3104.197.16.22666.219.42.161
○NSans1.dfw1.qualitytech.com2018-01-31 → 2018-01-31 · 4 obs
○ 2017-10-20 12:49:48
● 2018-01-31 20:00:28
○ 2021-05-03 09:16:18
○ 2026-03-14 07:05:50
○NSans1.jcy1.qualitytech.com2018-01-31 → 2018-01-31 · 4 obs
○ 2017-10-20 12:49:48
● 2018-01-31 20:00:28
○ 2021-05-03 09:16:18
○ 2026-03-14 07:05:50
○NSans1.sjc1.qualitytech.com2018-01-31 → 2018-01-31 · 4 obs
○ 2017-10-20 12:49:48
● 2018-01-31 20:00:28
○ 2021-05-03 09:16:18
○ 2026-03-14 07:05:50
○NSdc1.tk20internal.com2015-08-20 → 2017-10-20 · 4 obs
● 2015-08-20 16:57:00
● 2017-10-20 12:49:48
○ 2018-01-31 20:00:28
○ 2026-03-14 07:05:50
○NSdc3.tk20internal.com2018-01-31 → 2018-01-31 · 4 obs
○ 2017-10-20 12:49:48
● 2018-01-31 20:00:28
○ 2021-05-03 09:16:18
○ 2026-03-14 07:05:50
●NSns-105.awsdns-13.com2021-05-03 → 2026-03-14 · 3 obs
○ 2018-01-31 20:00:28
● 2021-05-03 09:16:18
● 2026-03-14 07:05:50
●NSns-1167.awsdns-17.org2021-05-03 → 2026-03-14 · 3 obs
○ 2018-01-31 20:00:28
● 2021-05-03 09:16:18
● 2026-03-14 07:05:50
●NSns-1899.awsdns-45.co.uk2021-05-03 → 2026-03-14 · 3 obs
○ 2018-01-31 20:00:28
● 2021-05-03 09:16:18
● 2026-03-14 07:05:50
●NSns-672.awsdns-20.net2021-05-03 → 2026-03-14 · 3 obs
○ 2018-01-31 20:00:28
● 2021-05-03 09:16:18
● 2026-03-14 07:05:50
○NSns1.corenap.com2015-08-20 → 2017-10-20 · 4 obs
● 2015-08-20 16:57:00
● 2017-10-20 12:49:48
○ 2018-01-31 20:00:28
○ 2026-03-14 07:05:50
○NSns2.corenap.com2015-08-20 → 2017-10-20 · 4 obs
● 2015-08-20 16:57:00
● 2017-10-20 12:49:48
○ 2018-01-31 20:00:28
○ 2026-03-14 07:05:50
●MXalt1.aspmx.l.google.com2015-08-20 → 2026-03-14 · 2 obs
● 2015-08-20 16:57:00
● 2026-03-14 07:05:50
●MXalt2.aspmx.l.google.com2015-08-20 → 2026-03-14 · 2 obs
● 2015-08-20 16:57:00
● 2026-03-14 07:05:50
○MXalt3.aspmx.l.google.com2018-01-31 → 2021-09-24 · 5 obs
○ 2015-08-20 16:57:00
● 2018-01-31 20:00:28
● 2021-09-24 05:45:42
○ 2026-02-14 16:58:36
○ 2026-03-14 07:05:50
○MXalt4.aspmx.l.google.com2018-01-31 → 2021-09-24 · 5 obs
○ 2015-08-20 16:57:00
● 2018-01-31 20:00:28
● 2021-09-24 05:45:42
○ 2026-02-14 16:58:36
○ 2026-03-14 07:05:50
●MXaspmx.l.google.com2015-08-20 → 2026-03-14 · 2 obs
● 2015-08-20 16:57:00
● 2026-03-14 07:05:50
●MXaspmx2.googlemail.com2015-08-20 → 2026-03-14 · 2 obs
● 2015-08-20 16:57:00
● 2026-03-14 07:05:50
●MXaspmx3.googlemail.com2015-08-20 → 2026-03-14 · 2 obs
● 2015-08-20 16:57:00
● 2026-03-14 07:05:50
○MXmail.tk20.com2018-01-31 → 2018-01-31 · 4 obs
○ 2015-08-20 16:57:00
● 2018-01-31 20:00:28
○ 2021-05-03 09:16:18
○ 2026-03-14 07:05:50
○A104.197.16.2262017-02-05 → 2018-01-31 · 5 obs
○ 2017-01-05 18:14:56
● 2017-02-05 20:38:52
● 2018-01-31 20:00:28
○ 2021-05-03 09:16:18
○ 2026-03-14 07:05:50
●A34.198.24.32017-07-20 → 2026-03-14 · 3 obs
○ 2017-02-05 20:38:52
● 2017-07-20 15:33:04
● 2026-03-14 07:05:50
○A66.219.42.1612015-08-20 → 2017-01-05 · 4 obs
● 2015-08-20 16:57:00
● 2017-01-05 18:14:56
○ 2017-02-05 20:38:52
○ 2026-03-14 07:05:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
tk20.comns-105.awsdns-13.com, ns-672.awsdns-20.net, ns-1167.awsdns-17.org, ns-1899.awsdns-45.co.uk1 record

✅ Authoritative Response

Server: 205.251.194.160

NS records: ns-105.awsdns-13.com, ns-672.awsdns-20.net, ns-1167.awsdns-17.org, ns-1899.awsdns-45.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tk20.com (unsigned zone)

⏱️ Timing

Total: 594ms | Queries: -

📄 Records

TypeCountSample Data
A134.198.24.3
NS4ns-105.awsdns-13.com, ns-1167.awsdns-17.org...
MX5aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)...
TXT1v=spf1 include:_spf.google.com include:m
SOA1ns-672.awsdns-20.net awsdns-hostmaster.a

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-105.awsdns-13.com)

Analysis

Hierarchy

tk20.com is a parent of usm.tk20.com, txstate.tk20.com, pccc.tk20.com, inter.tk20.com and bsu.tk20.com, plus a few other host names.

IP Addresses

tk20.com resolves to one IP number: 34.198.24.3.

Other host names, for example ec2-34-198-24-3.compute-1.amazonaws.com, share IP numbers with tk20.com.

Name Servers

tk20.com delegates to four name servers: ns-105.awsdns-13.com, ns-672.awsdns-20.net, ns-1167.awsdns-17.org and ns-1899.awsdns-45.co.uk.

tk20.com at least partially shares name servers with other domains, including allegiantpa.com, jimstrafficcontrol.com.au, roc.braintld.com, rhinoyy.net and surveysforfunds.com.

Host names with two IP numbers: ns-105.awsdns-13.com points to 2600:9000:5300:6900::1 and 205.251.192.105; ns-672.awsdns-20.net points to 2600:9000:5302:a000::1 and 205.251.194.160; ns-1167.awsdns-17.org points to 2600:9000:5304:8f00::1 and 205.251.196.143; ns-1899.awsdns-45.co.uk points to 2600:9000:5307:6b00::1 and 205.251.199.107.

Mail Servers

tk20.com is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

tk20.com shares at least some mail servers with other domains, for example ns500693.ns500699.ns500734.ns500734.ns500699.ns500699.ns500734.ns500699.ns500588.ns500693.ns500693.ns500699.ns500683.ns500693.ns500699.ns500612.ns500110.dtrkdll.com, ns500699.ns500699.ns500734.ns500699.ns500693.ns500693.ns500699.ns500693.ns500693.ns500632.ns500588.ns500612.ns500588.ns500588.dtrkdll.com, ns500754.ns500731.ns500742.ns500731.ns500754.ns500731.ns500671.ns500671.ns500688.ns500688.ns500649.lustychickser.com, ns500671.ns500671.ns500731.ns500731.ns500754.ns500754.ns500742.ns500704.ns500705.ns500671.ns500649.ns500671.ns500131.lustychickser.com and ns500759.ns500698.ns500759.ns500698.ns500736.ns500736.ns500698.ns500735.ns500735.ns500735.ns500698.ns500698.ns500576.ns500698.ns500576.ns500652.trackreceptor.com.

these mail servers are often used with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Hosts with two IP numbers:

aspmx2.googlemail.com points to: 2607:f8b0:4003:c30::1b and 74.125.27.27.

aspmx3.googlemail.com points to: 2607:f8b0:4001:c70::1a and 192.178.209.27.

aspmx.l.google.com points to: 2607:f8b0:4004:c19::1b and 172.253.62.27.

alt1.aspmx.l.google.com points to: 2607:f8b0:4003:c30::1b and 74.125.27.26.

alt2.aspmx.l.google.com points to: 2607:f8b0:4001:c70::1a and 192.178.209.26.

Hosts pointing to 2607:f8b0:4003:c30::1b: aspmx2.googlemail.com and alt1.aspmx.l.google.com.

Hosts pointing to 2607:f8b0:4001:c70::1a: aspmx3.googlemail.com and alt2.aspmx.l.google.com.