`development-app.thumbtack.com`

DNSSEC	⚠️ Not signed
A	18.155.21.12^{🇺🇸 Amazon18.155.16.0/21}
		PTR	`server-18-155-21-12.gru3.r.cloudfront.net`
A	18.155.21.14^{🇺🇸 Amazon18.155.16.0/21}
A	18.155.21.101^{🇺🇸 Amazon18.155.16.0/21}
A	18.155.21.111^{🇺🇸 Amazon18.155.16.0/21}

`thumbtack.com`

	DNSSEC	⚠️ Not signed
	A	18.155.21.7^{🇺🇸 Amazon18.155.16.0/21}
	A	18.155.21.35^{🇺🇸 Amazon18.155.16.0/21}
	A	18.155.21.49^{🇺🇸 Amazon18.155.16.0/21}
	A	18.155.21.61^{🇺🇸 Amazon18.155.16.0/21}
	NS	`ns-538.awsdns-03.net` ⭐
	NS	`ns-1939.awsdns-50.co.uk`
	NS	`ns-291.awsdns-36.com`
	MX	`aspmx.l.google.com` ⭐
	MX	`alt1.aspmx.l.google.com`⁽⁵⁾
	MX	`alt2.aspmx.l.google.com`⁽⁵⁾
	MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
	MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
	TXT	`4gt08syf0mbcx887v1dl4lh2k8q5f7g3`
	TXT	`MS=ms14576641`
	TXT	`apple-domain-verification=p4gK78f19rdJnLBi`
	TXT	`atlassian-domain-verification=XNXs5tzSn13AwowbO6gveKBHTFauY2a/C0YDwVAKHh4GBng...`
	TXT	`box-domain-verification=c9a5054c77f6db0ed5a2de0c81b2caae24f3e3f231926a5e1524d...`
	TXT	`cursor-domain-verification-p111zv=FjxZGimIbewbirm7pOdMFq2jw`
	TXT	`docker-verification=f57a0b41-827c-4dd6-8f96-fa02da05fc53`
	TXT	`docusign=59f8ae87-fb28-4d94-ad5e-512d6e438d43`
	TXT	`google-site-verification=-7Fr-8FPWScjYCo5Bo7b8Auz8COaFfKD56qQ94-mINA`
	TXT	`google-site-verification=7f8qdYJDSZloMyndKKHGK2Y4LNIdqvribtPUfUbnKhA`
	TXT	`google-site-verification=ANdjVFkRsCtGnOZWf-Pu5GFX1MtVcOaNzSqeCXMOHxs`
	TXT	`google-site-verification=Zwi2oCJkQGj0AUvb1rUsPj0isTcv-uzklYghhuSdyEY`
	TXT	`h1-domain-verification=FnKFV6LmawccoHuwrX1Wjf6mAiqUD8MRatYDB5CgpsKa8dxe`
	TXT	`hcp-domain-verification=63ab4c8bc9c4f5ba4eb4acce5fc5080093e98994c30aed587f303...`
	TXT	`infoblox-domain-mastery=4359987147c55a8407bb7c731b902130b77fe5621d3d7eeb49213...`
	TXT	`mixpanel-domain-verify=66a82bb1-90d7-48fc-b5f2-ca0a1bf62fd9`
	TXT	`paloaltonetworks-site-verification=eeaf3606f5f4645beb95c40fd9aa6f827cc4244fea...`
	TXT	`pardot846803=b841944c35780919a32e7ad87be308ed8005e5cf4f5fa1cd23a8991a913ab609`
	TXT	`pardot846803=f6a169a0f26e086008145569b88aee0c81b1a68712ec776381a841b8fd3d3030`
	TXT	`stripe-verification=03cd477afb8c127fcfe8ef2a2b1a5c515642e8f59e86d24ce12355c18...`
	TXT	`stripe-verification=08c95d87f5ec5103040468cf8f2825026dde8494e2bde3d2cce585999...`
	TXT	`stripe-verification=36c069c3bc850ba5a395f5a80d7f56bfc7d538dc3f489cb16a00dd7bb...`
	TXT	`stripe-verification=3956332b1652437d3d6cc12351551c1e972e1c8f6974344d6092378d8...`
	TXT	`stripe-verification=48e5b0d5f98e45839598ddc6cddc40173da43e51b4c69a35658c035e3...`
	TXT	`teamviewer-sso-verification=d4c0e842057e4997850e61f23fb91a87`
	TXT	`v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all`
	SOA	`ns-538.awsdns-03.net`awsdns-hostmaster@amazon.com serial=1

WOT: SAFE (81/100)
rank #5090 globally
rank #2542 in the tld
🔒 HSTS Preload (+subdomains)
WOT: SAFE (81/100)
📈 Tranco rank: #7,432

Same first word

development-app.com

Similar names

app-development.ch

app-development.agency

app-development.in

DNS History

40 records (4 active, 36 former)

○A108.139.119.1072026-04-18 → 2026-04-19 · 6 obs

● 2026-04-18 00:42:08
○ 2026-04-18 16:49:58
● 2026-04-18 21:30:56
● 2026-04-19 22:28:30
○ 2026-04-20 04:15:54
○ 2026-06-06 19:29:38

○A108.139.119.372026-04-18 → 2026-04-19 · 6 obs

● 2026-04-18 00:42:08
○ 2026-04-18 16:49:58
● 2026-04-18 21:30:56
● 2026-04-19 22:28:30
○ 2026-04-20 04:15:54
○ 2026-06-06 19:29:38

○A108.139.119.462026-04-18 → 2026-04-19 · 6 obs

● 2026-04-18 00:42:08
○ 2026-04-18 16:49:58
● 2026-04-18 21:30:56
● 2026-04-19 22:28:30
○ 2026-04-20 04:15:54
○ 2026-06-06 19:29:38

○A108.139.119.962026-04-18 → 2026-04-19 · 6 obs

● 2026-04-18 00:42:08
○ 2026-04-18 16:49:58
● 2026-04-18 21:30:56
● 2026-04-19 22:28:30
○ 2026-04-20 04:15:54
○ 2026-06-06 19:29:38

○A13.226.209.1162026-05-21 → 2026-05-26 · 15 obs

○ 2026-05-20 14:16:44
● 2026-05-21 22:08:52
○ 2026-05-22 00:55:48
● 2026-05-23 18:09:08
○ 2026-05-23 18:45:58
○ 2026-05-23 23:00:30
● 2026-05-25 03:26:10
○ 2026-05-25 04:44:10
● 2026-05-25 05:28:04
● 2026-05-25 07:06:28
○ 2026-05-25 08:49:00
○ 2026-05-26 07:12:32
● 2026-05-26 10:57:52
○ 2026-05-27 05:35:10
○ 2026-06-06 19:29:38

○A13.226.209.342026-05-21 → 2026-05-26 · 15 obs

○A13.226.209.652026-05-21 → 2026-05-26 · 15 obs

○A13.226.209.682026-05-21 → 2026-05-26 · 15 obs

○A13.32.164.1032026-05-19 → 2026-06-06 · 43 obs

○ 2026-05-09 21:26:48
● 2026-05-19 12:07:56
● 2026-05-20 14:16:44
○ 2026-05-21 22:08:52
● 2026-05-22 00:55:48
○ 2026-05-23 18:09:08
● 2026-05-23 18:45:58
● 2026-05-23 23:00:30
○ 2026-05-25 03:26:10
● 2026-05-25 04:44:10
○ 2026-05-25 05:28:04
○ 2026-05-25 10:57:04
● 2026-05-25 13:28:00
● 2026-05-26 07:12:32
○ 2026-05-26 10:57:52
○ 2026-05-27 05:35:10
● 2026-05-27 07:02:16
● 2026-05-27 07:48:44
○ 2026-05-27 16:03:08
● 2026-05-27 21:20:46
● 2026-05-28 01:57:40
○ 2026-05-28 15:14:02
○ 2026-05-28 22:40:14
● 2026-05-28 23:29:38
○ 2026-05-29 16:32:54
● 2026-05-30 09:52:52
● 2026-05-31 08:25:28
○ 2026-05-31 19:05:04
● 2026-06-01 19:04:08
○ 2026-06-02 00:12:46
● 2026-06-02 01:46:00
○ 2026-06-02 05:59:36
○ 2026-06-02 16:18:54
● 2026-06-02 17:30:24
○ 2026-06-02 19:29:22
● 2026-06-02 20:33:04
● 2026-06-04 05:44:32
○ 2026-06-05 09:03:48
○ 2026-06-05 15:59:12
● 2026-06-05 18:14:52
● 2026-06-06 08:57:08
○ 2026-06-06 18:46:58
○ 2026-06-06 19:29:38

○A13.32.164.222026-05-19 → 2026-06-06 · 43 obs

○A13.32.164.582026-05-19 → 2026-06-06 · 43 obs

○A13.32.164.662026-05-19 → 2026-06-06 · 43 obs

○A13.33.82.402026-04-29 → 2026-05-09 · 18 obs

○ 2026-04-28 08:47:40
● 2026-04-29 10:10:32
○ 2026-04-29 10:40:34
○ 2026-05-03 20:18:04
● 2026-05-04 03:19:24
○ 2026-05-04 09:01:48
● 2026-05-05 05:42:34
○ 2026-05-05 09:45:30
○ 2026-05-05 19:04:04
● 2026-05-06 00:29:32
○ 2026-05-06 18:32:04
● 2026-05-06 23:13:12
○ 2026-05-06 23:43:34
● 2026-05-08 08:15:22
○ 2026-05-08 09:46:58
● 2026-05-09 20:20:10
○ 2026-05-09 21:26:48
○ 2026-06-06 19:29:38

○A13.33.82.512026-04-29 → 2026-05-09 · 18 obs

○A13.33.82.572026-04-29 → 2026-05-09 · 18 obs

○A13.33.82.632026-04-29 → 2026-05-09 · 18 obs

○A13.35.36.192026-05-28 → 2026-05-28 · 4 obs

○ 2026-05-28 19:07:42
● 2026-05-28 22:40:14
○ 2026-05-28 23:29:38
○ 2026-06-06 19:29:38

○A13.35.36.242026-05-28 → 2026-05-28 · 4 obs

○ 2026-05-28 19:07:42
● 2026-05-28 22:40:14
○ 2026-05-28 23:29:38
○ 2026-06-06 19:29:38

○A13.35.36.342026-05-28 → 2026-05-28 · 4 obs

○ 2026-05-28 19:07:42
● 2026-05-28 22:40:14
○ 2026-05-28 23:29:38
○ 2026-06-06 19:29:38

○A13.35.36.922026-05-28 → 2026-05-28 · 4 obs

○ 2026-05-28 19:07:42
● 2026-05-28 22:40:14
○ 2026-05-28 23:29:38
○ 2026-06-06 19:29:38

○A18.155.107.1032026-05-27 → 2026-06-05 · 14 obs

○ 2026-05-27 07:48:44
● 2026-05-27 16:03:08
○ 2026-05-27 21:20:46
○ 2026-05-28 18:37:14
● 2026-05-28 19:07:42
○ 2026-05-28 22:40:14
○ 2026-06-02 12:01:06
● 2026-06-02 13:55:06
● 2026-06-02 16:18:54
○ 2026-06-02 17:30:24
○ 2026-06-04 05:44:32
● 2026-06-05 09:03:48
○ 2026-06-05 15:59:12
○ 2026-06-06 19:29:38

○A18.155.107.1162026-05-27 → 2026-06-05 · 14 obs

○A18.155.107.132026-05-27 → 2026-06-05 · 14 obs

○A18.155.107.522026-05-27 → 2026-06-05 · 14 obs

●A18.155.21.1012026-04-27 → 2026-06-06 · 35 obs

○ 2026-04-20 17:43:58
● 2026-04-27 06:08:38
○ 2026-04-27 10:35:18
○ 2026-05-05 09:45:30
● 2026-05-05 19:04:04
○ 2026-05-06 00:29:32
○ 2026-05-25 07:06:28
● 2026-05-25 08:49:00
● 2026-05-25 10:57:04
○ 2026-05-25 13:28:00
○ 2026-05-26 10:57:52
● 2026-05-27 05:35:10
○ 2026-05-27 07:02:16
○ 2026-05-28 01:57:40
● 2026-05-28 15:14:02
○ 2026-05-28 18:00:00
○ 2026-05-28 23:29:38
● 2026-05-29 16:32:54
○ 2026-05-30 09:52:52
○ 2026-05-31 08:25:28
● 2026-05-31 19:05:04
○ 2026-06-01 19:04:08
○ 2026-06-02 01:46:00
● 2026-06-02 05:59:36
● 2026-06-02 12:01:06
○ 2026-06-02 13:55:06
○ 2026-06-02 17:30:24
● 2026-06-02 19:29:22
○ 2026-06-02 20:33:04
○ 2026-06-05 09:03:48
● 2026-06-05 15:59:12
○ 2026-06-05 18:14:52
○ 2026-06-06 08:57:08
● 2026-06-06 18:46:58
● 2026-06-06 19:29:38

●A18.155.21.1112026-04-27 → 2026-06-06 · 35 obs

●A18.155.21.122026-04-27 → 2026-06-06 · 35 obs

●A18.155.21.142026-04-27 → 2026-06-06 · 35 obs

○A18.160.10.232026-04-18 → 2026-04-18 · 4 obs

○ 2026-04-18 00:42:08
● 2026-04-18 16:49:58
○ 2026-04-18 21:30:56
○ 2026-06-06 19:29:38

○A18.160.10.352026-04-18 → 2026-04-18 · 4 obs

○ 2026-04-18 00:42:08
● 2026-04-18 16:49:58
○ 2026-04-18 21:30:56
○ 2026-06-06 19:29:38

○A18.160.10.382026-04-18 → 2026-04-18 · 4 obs

○ 2026-04-18 00:42:08
● 2026-04-18 16:49:58
○ 2026-04-18 21:30:56
○ 2026-06-06 19:29:38

○A18.160.10.92026-04-18 → 2026-04-18 · 4 obs

○ 2026-04-18 00:42:08
● 2026-04-18 16:49:58
○ 2026-04-18 21:30:56
○ 2026-06-06 19:29:38

○A3.174.59.102026-05-06 → 2026-06-02 · 11 obs

○ 2026-05-06 00:29:32
● 2026-05-06 18:32:04
○ 2026-05-06 23:13:12
○ 2026-05-28 15:14:02
● 2026-05-28 18:00:00
● 2026-05-28 18:37:14
○ 2026-05-28 19:07:42
○ 2026-06-01 19:04:08
● 2026-06-02 00:12:46
○ 2026-06-02 01:46:00
○ 2026-06-06 19:29:38

○A3.174.59.152026-05-06 → 2026-06-02 · 11 obs

○A3.174.59.812026-05-06 → 2026-06-02 · 11 obs

○A3.174.59.922026-05-06 → 2026-06-02 · 11 obs

○A99.86.91.1122026-04-20 → 2026-05-09 · 22 obs

○ 2026-04-19 22:28:30
● 2026-04-20 04:15:54
● 2026-04-20 17:43:58
○ 2026-04-27 06:08:38
● 2026-04-27 10:35:18
● 2026-04-28 08:47:40
○ 2026-04-29 10:10:32
● 2026-04-29 10:40:34
● 2026-05-03 20:18:04
○ 2026-05-04 03:19:24
● 2026-05-04 09:01:48
○ 2026-05-05 05:42:34
● 2026-05-05 09:45:30
○ 2026-05-05 19:04:04
○ 2026-05-06 23:13:12
● 2026-05-06 23:43:34
○ 2026-05-08 08:15:22
● 2026-05-08 09:46:58
○ 2026-05-09 20:20:10
● 2026-05-09 21:26:48
○ 2026-05-19 12:07:56
○ 2026-06-06 19:29:38

○A99.86.91.242026-04-20 → 2026-05-09 · 22 obs

○A99.86.91.82026-04-20 → 2026-05-09 · 22 obs

○A99.86.91.882026-04-20 → 2026-05-09 · 22 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, j.gtld-servers.net, f.gtld-servers.net, b.gtld-servers.net...	-
thumbtack.com	ns-291.awsdns-36.com, ns-1939.awsdns-50.co.uk	2 records

✅ Authoritative Response

Server:205.251.199.147

NS records: ns-291.awsdns-36.com, ns-1939.awsdns-50.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thumbtack.com (unsigned zone)

⏱️ Timing

Total: 2893ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`18.155.21.101, 18.155.21.111...`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-291.awsdns-36.com, ns-291.awsdns-36.com)

Analysis

IP Addresses

development-app.thumbtack.com resolves to 4 IP numbers: 18.155.21.12, 18.155.21.14, 18.155.21.101 and 18.155.21.111.

development-app.thumbtack.com - robtex.com