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DNSSEC⚠️ Not signed
A2a04:4e42:78::427🇺🇸 Fastly
A146.75.37.171🇺🇸 Fastly
NSns1.dnsimple.com ⭐
A2400:cb00:2049:1::a29f:1804🇺🇸 Cloudflare
PTRns1.dnsimple.com
A162.159.24.4 Cloudflare
PTRns1.dnsimple.com
NSns2.dnsimple-edge.net
A2620:111:8005::53🇺🇸 AS32771
A199.247.153.53🇺🇸 AS32771
PTRip-199-247-153-53.defastlink.net
NSns3.dnsimple.com
A2400:cb00:2049:1::a29f:1a04🇺🇸 Cloudflare
PTRns3.dnsimple.com
A162.159.26.4 Cloudflare
PTRns3.dnsimple.com
NSns4.dnsimple-edge.org
A2620:111:8007::53🇺🇸 AS32771
A199.247.155.53🇺🇸 AS32771
PTRip-199-247-155-53.defastlink.net
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c19::1b🇺🇸 Google
PTRbk-in-f27.1e100.net
A172.253.62.27🇺🇸 Google
PTRbc-in-f27.1e100.net
MXalt1.aspmx.l.google.com(20)
A2607:f8b0:4003:c30::1b🇺🇸 Google
PTRyutulis-in-f27.1e100.net
A74.125.27.26🇺🇸 Google
PTRyutulis-in-f26.1e100.net
MXalt2.aspmx.l.google.com(20)
A2607:f8b0:4001:c70::1a🇺🇸 Google
PTRyucbful-in-f26.1e100.net
A192.178.209.26🇺🇸 Google
PTRyucbful-in-f26.1e100.net
MXaspmx2.googlemail.com(30)
A2607:f8b0:4003:c30::1b🇺🇸 Google
PTRyutulis-in-f27.1e100.net
A74.125.27.27🇺🇸 Google
PTRyutulis-in-f27.1e100.net
MXaspmx3.googlemail.com(30)
A2607:f8b0:4001:c70::1a🇺🇸 Google
PTRyucbful-in-f26.1e100.net
A192.178.209.27🇺🇸 Google
PTRyucbful-in-f27.1e100.net
MXaspmx4.googlemail.com(30)
A2607:f8b0:4024:c0d::1b🇺🇸 Google
PTRmj-in-f27.1e100.net
A192.178.152.27🇺🇸 Google
PTRmj-in-f27.1e100.net
MXaspmx5.googlemail.com(30)
A2607:f8b0:4023:403::1b🇺🇸 Google
PTRgg-in-f27.1e100.net
A142.250.96.26🇺🇸 Google
PTRgg-in-f26.1e100.net
TXTALIAS for dualstack.f.shared.global.fastly.net
TXTgoogle-site-verification=7I882IwQI8YLryUiY5GfJoR_7Le0ZJn9fIP7_yqXkRM
TXTgoogle-site-verification=Cfifgvm1ECfvBIJRb4MiIqZ7L4acz3YAbzs388SW70k
TXTgoogle-site-verification=FjositL1KvtIzAiotvRhyIHGclEwY2xTrS6pUD3PkN4
TXTgoogle-site-verification=Ktz4zd9R0b7WmlcH2FxntriJXkUZw0hHIIA5sL1JMZE
TXTgoogle-site-verification=aM0E9LohKr2O6GxWB9ze3lXzAd_wlKoJ2tQk6MzhBUo
TXTgoogle-site-verification=mup1e9msIsBA7R82RCq8DWHpCqxUsvLS10PQ2SQhnps
TXTMS=ms27051252
TXT_globalsign-domain-verification=_XCFILJ7eSiRq9rSWcB9wqJjbgKsGbvW2wQ9FztWPW
TXTapple-domain-verification=YPehXw4qttTuySbJ
TXTatlassian-domain-verification=j1ZS0MZZ8KVbaDGYUfD6sIyLHqmoLeSi1ALWBfQwqK0eOP5...
TXTcanva-site-verification=Xkkoh5UR4b2aLZtmTnP5LQ
TXTgoogle-site-verification=0X8X47wdrsz7uvMtclxPltaedC8XwMb1kW31cFH_jeA
TXTgoogle-site-verification=5Mj6-wfZrXGQ-NW0P7eb5XhZqD7T9BfRRkptV7FebCc
TXTgoogle-site-verification=RFIJjVWqkl5mmMfa5UARKLtros6GJPA2sl6g9snSXH8
TXTgoogle-site-verification=pFoYtgbd6tc74KGxv5yWxu2QTH0oKllYLrYbTt35iNM
TXTgoogle-site-verification=wTFwBl7bRFpfSDIhbAQa8bGqJLzIyKkrC5fauGa3UHw
TXTproxy-ssl.webflow.com
TXTremote-domain-verification=5c880e7b-36bc-4067-ae23-fb724e26996a
TXTrippling-domain-verification=a18ecf707237e4b8
TXTv=spf1 a ip4:100.12.1.66 ip4:74.92.13.241 include:_spf.google.com include:hel...
SOAns1.dnsimple.comadmin@dnsimple.com serial=1436193034

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 #18223 globally
rank #9205 in the tld
📈 Tranco rank: #67,579

Up

www.thoughtbot.com

Same first word

thoughtbot.biz
thoughtbot.se
thoughtbot.tv
thoughtbot.co.uk
thoughtbot.org
thoughtbot.social
thoughtbot.me
thoughtbot.info
thoughtbot.github.io
thoughtbot.net
thoughtbot.com

DNS History

33 records (13 active, 20 former)

20162017201820192020202120222023202420252026NSns1.dnsimple.comns2.dnsimple-edge.netns3.dnsimple.comns4.dnsimple-edge.orgns2.dnsimple.comns4.dnsimple.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.comaspmx5.googlemail.comA146.75.37.1712a04:4e42:78::427103.245.222.64151.101.32.64151.101.36.64151.101.37.171151.101.40.64151.101.41.171151.101.72.64199.27.76.64199.27.79.6423.235.39.6423.235.40.6423.235.43.6423.235.44.6423.235.46.6423.235.47.642a04:4e42:79::4272a04:4e42:9::4272a04:4e42:a::427
●NSns1.dnsimple.com2015-08-15 → 2026-02-18 · 2 obs
● 2015-08-15 00:22:08
● 2026-02-18 19:12:10
●NSns2.dnsimple-edge.net2026-02-16 → 2026-02-18 · 3 obs
○ 2021-03-28 04:00:32
● 2026-02-16 12:10:14
● 2026-02-18 19:12:10
○NSns2.dnsimple.com2015-08-15 → 2021-03-28 · 4 obs
● 2015-08-15 00:22:08
● 2021-03-28 04:00:32
○ 2026-02-16 12:10:14
○ 2026-02-18 19:12:10
●NSns3.dnsimple.com2015-08-15 → 2026-02-18 · 2 obs
● 2015-08-15 00:22:08
● 2026-02-18 19:12:10
●NSns4.dnsimple-edge.org2026-02-16 → 2026-02-18 · 3 obs
○ 2021-03-28 04:00:32
● 2026-02-16 12:10:14
● 2026-02-18 19:12:10
○NSns4.dnsimple.com2015-08-15 → 2021-03-28 · 4 obs
● 2015-08-15 00:22:08
● 2021-03-28 04:00:32
○ 2026-02-16 12:10:14
○ 2026-02-18 19:12:10
●MXalt1.aspmx.l.google.com2015-08-15 → 2026-02-18 · 2 obs
● 2015-08-15 00:22:08
● 2026-02-18 19:12:10
●MXalt2.aspmx.l.google.com2015-08-15 → 2026-02-18 · 2 obs
● 2015-08-15 00:22:08
● 2026-02-18 19:12:10
●MXaspmx.l.google.com2015-08-15 → 2026-02-18 · 2 obs
● 2015-08-15 00:22:08
● 2026-02-18 19:12:10
●MXaspmx2.googlemail.com2015-08-15 → 2026-02-18 · 2 obs
● 2015-08-15 00:22:08
● 2026-02-18 19:12:10
●MXaspmx3.googlemail.com2015-08-15 → 2026-02-18 · 2 obs
● 2015-08-15 00:22:08
● 2026-02-18 19:12:10
●MXaspmx4.googlemail.com2015-08-15 → 2026-02-18 · 2 obs
● 2015-08-15 00:22:08
● 2026-02-18 19:12:10
●MXaspmx5.googlemail.com2015-08-15 → 2026-02-18 · 2 obs
● 2015-08-15 00:22:08
● 2026-02-18 19:12:10
○A103.245.222.642015-08-15 → 2015-09-14 · 4 obs
● 2015-08-15 00:22:08
● 2015-09-14 12:10:36
○ 2017-02-13 13:14:08
○ 2026-02-18 19:12:10
●A146.75.37.1712026-02-16 → 2026-02-18 · 3 obs
○ 2021-03-28 04:00:32
● 2026-02-16 12:10:14
● 2026-02-18 19:12:10
○A151.101.32.642016-07-24 → 2017-02-13 · 9 obs
○ 2016-06-29 15:50:22
● 2016-07-24 22:21:08
○ 2016-08-16 04:07:18
○ 2016-09-16 21:14:32
● 2016-11-02 05:53:42
○ 2016-11-29 22:47:56
● 2017-02-13 13:14:08
○ 2021-03-28 04:00:32
○ 2026-02-18 19:12:10
○A151.101.36.642016-08-16 → 2017-02-13 · 8 obs
○ 2016-07-24 22:21:08
● 2016-08-16 04:07:18
● 2016-09-16 21:14:32
○ 2016-11-02 05:53:42
● 2016-11-29 22:47:56
● 2017-02-13 13:14:08
○ 2020-07-05 12:54:14
○ 2026-02-18 19:12:10
○A151.101.37.1712026-02-16 → 2026-02-18 · 2 obs
○ 2026-02-16 12:10:14
○ 2026-02-18 19:12:10
○A151.101.40.642017-02-13 → 2017-02-13 · 4 obs
○ 2016-11-29 22:47:56
● 2017-02-13 13:14:08
○ 2026-02-16 12:10:14
○ 2026-02-18 19:12:10
○A151.101.41.1712020-07-05 → 2021-03-28 · 5 obs
○ 2017-02-13 13:14:08
● 2020-07-05 12:54:14
● 2021-03-28 04:00:32
○ 2026-02-16 12:10:14
○ 2026-02-18 19:12:10
○A151.101.72.642017-02-13 → 2017-02-13 · 4 obs
○ 2016-11-29 22:47:56
● 2017-02-13 13:14:08
○ 2026-02-16 12:10:14
○ 2026-02-18 19:12:10
○A199.27.76.642015-08-15 → 2016-06-29 · 13 obs
● 2015-08-15 00:22:08
○ 2015-09-11 23:09:02
● 2015-09-14 12:10:36
○ 2015-11-14 21:25:14
● 2015-11-28 08:08:16
○ 2015-12-12 23:03:06
○ 2016-04-18 11:06:28
● 2016-05-27 13:08:06
○ 2016-06-11 17:38:28
○ 2016-06-19 17:38:00
● 2016-06-29 15:50:22
○ 2016-07-24 22:21:08
○ 2026-02-18 19:12:10
○A199.27.79.642015-08-15 → 2016-02-23 · 7 obs
● 2015-08-15 00:22:08
● 2015-11-05 14:35:40
○ 2015-11-14 21:25:14
○ 2016-02-01 20:58:16
● 2016-02-23 06:21:26
○ 2016-03-11 16:26:14
○ 2026-02-18 19:12:10
○A23.235.39.642015-08-15 → 2016-06-19 · 14 obs
● 2015-08-15 00:22:08
● 2015-09-11 23:09:02
○ 2015-09-14 12:10:36
● 2015-10-27 09:46:54
● 2015-10-31 22:07:46
○ 2015-11-02 13:32:34
○ 2015-11-28 08:08:16
● 2015-12-12 23:03:06
● 2016-02-01 20:58:16
○ 2016-02-23 06:21:26
○ 2016-06-11 17:38:28
● 2016-06-19 17:38:00
○ 2016-06-29 15:50:22
○ 2026-02-18 19:12:10
○A23.235.40.642015-08-15 → 2016-04-04 · 5 obs
● 2015-08-15 00:22:08
○ 2015-09-11 23:09:02
● 2016-04-04 20:57:26
○ 2016-04-18 11:06:28
○ 2026-02-18 19:12:10
○A23.235.43.642015-09-11 → 2015-11-02 · 5 obs
○ 2015-08-15 00:22:08
● 2015-09-11 23:09:02
● 2015-11-02 13:32:34
○ 2015-11-05 14:35:40
○ 2026-02-18 19:12:10
○A23.235.44.642016-03-11 → 2016-03-11 · 4 obs
○ 2016-02-23 06:21:26
● 2016-03-11 16:26:14
○ 2016-04-04 20:57:26
○ 2026-02-18 19:12:10
○A23.235.46.642015-08-15 → 2016-06-11 · 10 obs
● 2015-08-15 00:22:08
○ 2015-09-11 23:09:02
● 2015-11-14 21:25:14
○ 2015-11-28 08:08:16
○ 2016-04-04 20:57:26
● 2016-04-18 11:06:28
○ 2016-05-27 13:08:06
● 2016-06-11 17:38:28
○ 2016-06-19 17:38:00
○ 2026-02-18 19:12:10
○A23.235.47.642015-09-11 → 2015-09-14 · 5 obs
○ 2015-08-15 00:22:08
● 2015-09-11 23:09:02
● 2015-09-14 12:10:36
○ 2015-10-27 09:46:54
○ 2026-02-18 19:12:10
●A2a04:4e42:78::4272026-02-18 → 2026-02-18 · 3 obs
○ 2026-02-16 12:10:14
● 2026-02-18 19:12:08
● 2026-02-18 19:12:10
○A2a04:4e42:79::4272026-02-16 → 2026-02-16 · 4 obs
○ 2021-03-28 04:00:32
● 2026-02-16 12:10:14
○ 2026-02-18 19:12:08
○ 2026-02-18 19:12:10
○A2a04:4e42:9::4272026-02-16 → 2026-02-18 · 2 obs
○ 2026-02-16 12:10:14
○ 2026-02-18 19:12:10
○A2a04:4e42:a::4272020-07-05 → 2021-03-28 · 5 obs
○ 2017-02-13 13:14:08
● 2020-07-05 12:54:14
● 2021-03-28 04:00:32
○ 2026-02-16 12:10:14
○ 2026-02-18 19:12:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
thoughtbot.comns1.dnsimple.com, ns3.dnsimple.com, ns4.dnsimple-edge.org, ns2.dnsimple-edge.net4 records

✅ Authoritative Response

Server: 199.247.153.53

NS records: ns1.dnsimple.com, ns3.dnsimple.com, ns4.dnsimple-edge.org, ns2.dnsimple-edge.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thoughtbot.com (unsigned zone)

⏱️ Timing

Total: 434ms | Queries: -

📄 Records

TypeCountSample Data
A1146.75.33.171
AAAA12a04:4e42:78::427
NS4ns1.dnsimple.com, ns2.dnsimple-edge.net...
MX7aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)...
TXT21ALIAS for dualstack.f.shared.global.fast, google-site-verification=7I882IwQI8YLryU...
SOA1ns1.dnsimple.com admin.dnsimple.com

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.dnsimple.com, ns1.dnsimple.com, ns3.dnsimple.com...)

AI analysis

thoughtbot.com is a parent of www.thoughtbot.com.

thoughtbot.com points to two IP numbers: 2a04:4e42:78::427 and 146.75.37.171.

thoughtbot.com is delegated to four name servers: ns1.dnsimple.com, ns3.dnsimple.com, ns2.dnsimple-edge.net and ns4.dnsimple-edge.org.

At least part of the name servers for thoughtbot.com are shared with other domains, for instance 94.232.104.in-addr.arpa, mirego.com, dramafreeprojectmanagement.com, timothyrobbins.me and infenix.com.

These name servers are commonly used alongside ns2.dnsimple.com and ns4.dnsimple.com.

Host names with two IP numbers:

ns1.dnsimple.com points to: 2400:cb00:2049:1::a29f:1804 and 162.159.24.4

ns3.dnsimple.com points to: 2400:cb00:2049:1::a29f:1a04 and 162.159.26.4

ns2.dnsimple-edge.net points to: 2620:111:8005::53 and 199.247.153.53

ns4.dnsimple-edge.org points to: 2620:111:8007::53 and 199.247.155.53

thoughtbot.com is served by seven mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com, aspmx5.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

thoughtbot.com shares at least some mail servers with other domains, for example ns500742.ns500742.ns500742.ns500671.ns500731.ns500742.ns500705.ns500671.ns500671.ns500666.ns500291.ns500291.ns500131.lustychickser.com, ns500699.ns500699.ns500734.ns500693.ns500693.ns500693.ns500693.ns500693.ns500699.ns500588.ns500588.ns500699.ns500693.ns500693.ns500602.dtrkdll.com, ns500671.ns500731.ns500731.ns500754.ns500731.ns500671.ns500731.ns500742.ns500688.ns500705.ns500705.ns500291.ns500666.ns500666.ns500153.tenderladiesbz.com, ns500742.ns500731.ns500754.ns500671.ns500731.ns500671.ns500649.ns500291.ns500649.ns500666.ns500653.ns500153.tenderladiesbz.com and impactrecoverycenter.net.

these mail servers are often used together with alt4.aspmx.l.google.com and alt3.aspmx.l.google.com.

Host names 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

aspmx4.googlemail.com points to: 2607:f8b0:4024:c0d::1b and 192.178.152.27

aspmx5.googlemail.com points to: 2607:f8b0:4023:403::1b and 142.250.96.26

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

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

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