formstack.io - robtex.com

formstack.io

DNSSEC⚠️ Not signed
A52.167.179.134🇺🇸 Microsoft52.160.0.0/11 MICROSOFT
NSns1-01.azure-dns.com ⭐
A2603:1061:0:700::1🇺🇸 Microsoft2603:1000::/25 MICROSOFT
PTRns1-01.azure-dns.com
A13.107.236.1🇺🇸 Microsoft13.104.0.0/14 MICROSOFT
PTRns1-01.azure-dns.com
NSns2-01.azure-dns.net
A2620:1ec:8ec:700::1🇺🇸 Microsoft2620:1ec::/36 MICROSOFT
PTRns2-01.azure-dns.net
A150.171.21.1🇺🇸 Microsoft150.171.0.0/16 MICROSOFT
PTRns2-01.azure-dns.net
NSns3-01.azure-dns.org
A2a01:111:4000:700::1🇬🇧 Microsoft2a01:111:4000::/36
PTRns3-01.azure-dns.org
A204.14.183.1🇺🇸 Microsoft204.14.180.0/22
PTRns3-01.azure-dns.org
NSns4-01.azure-dns.info
A2620:1ec:bda:700::1🇺🇸 Microsoft2620:1ec::/36 MICROSOFT
PTRns4-01.azure-dns.info
A208.84.5.1🇺🇸 Microsoft208.84.0.0/21 MICROSOFT
PTRns4-01.azure-dns.info
TXTgoogle-site-verification=Rbn2Se_yg9Y_a0r-vsffCU6pX94m1kp75UasySMnGFs
SOAns1-01.azure-dns.comazuredns-hostmaster@microsoft.com serial=1

io

DNSSEC🔒 Signed (DS record present)
NSa0.nic.io ⭐
NSa2.nic.io
NSb0.nic.io
NSc0.nic.io
SOAa0.nic.iohostmaster@donuts.email serial=1778356632
rank #303612 globally
rank #2182 in the tld
📈 Tranco rank: #256,177

Subdomains

sfcdn.formstack.io
s(0x666170)i.formstack.io
frontdoorcdn.formstack.io
www.formstack.io

Same first word

formstack.io
formstack.us
formstack.design
formstack.tv
formstack.biz
formstack.mobi
formstack.ws
formstack.com
formstack.click
formstack.org
formstack.ca
formstack.co
formstack.net
formstack.me

Similar names

farmstock.org.uk
formtsack.com
farmstock.com.au
stackform.com
mackfrost.com
stockfarm.net
farmstock.co.nz
stockfarm.com
farmstock.in

DNS History

17 records (5 active, 12 former)

20192020202120222023202420252026NSns1-01.azure-dns.comns2-01.azure-dns.netns3-01.azure-dns.orgns4-01.azure-dns.infons10.dnsmadeeasy.comns11.dnsmadeeasy.comns12.dnsmadeeasy.comns13.dnsmadeeasy.comns14.dnsmadeeasy.comns15.dnsmadeeasy.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comA52.167.179.13413.68.101.62
●NSns1-01.azure-dns.com2026-02-17 → 2026-05-09 · 3 obs
○ 2020-04-06 14:24:50
● 2026-02-17 16:58:32
● 2026-05-09 20:12:34
○NSns10.dnsmadeeasy.com2018-10-30 → 2020-04-06 · 4 obs
● 2018-10-30 12:27:06
● 2020-04-06 14:24:50
○ 2026-02-17 16:58:32
○ 2026-05-09 20:12:34
○NSns11.dnsmadeeasy.com2018-10-30 → 2020-04-06 · 4 obs
● 2018-10-30 12:27:06
● 2020-04-06 14:24:50
○ 2026-02-17 16:58:32
○ 2026-05-09 20:12:34
○NSns12.dnsmadeeasy.com2018-10-30 → 2020-04-06 · 4 obs
● 2018-10-30 12:27:06
● 2020-04-06 14:24:50
○ 2026-02-17 16:58:32
○ 2026-05-09 20:12:34
○NSns13.dnsmadeeasy.com2018-10-30 → 2020-04-06 · 4 obs
● 2018-10-30 12:27:06
● 2020-04-06 14:24:50
○ 2026-02-17 16:58:32
○ 2026-05-09 20:12:34
○NSns14.dnsmadeeasy.com2018-10-30 → 2020-04-06 · 4 obs
● 2018-10-30 12:27:06
● 2020-04-06 14:24:50
○ 2026-02-17 16:58:32
○ 2026-05-09 20:12:34
○NSns15.dnsmadeeasy.com2018-10-30 → 2020-04-06 · 4 obs
● 2018-10-30 12:27:06
● 2020-04-06 14:24:50
○ 2026-02-17 16:58:32
○ 2026-05-09 20:12:34
●NSns2-01.azure-dns.net2026-02-17 → 2026-05-09 · 3 obs
○ 2020-04-06 14:24:50
● 2026-02-17 16:58:32
● 2026-05-09 20:12:34
●NSns3-01.azure-dns.org2026-02-17 → 2026-05-09 · 3 obs
○ 2020-04-06 14:24:50
● 2026-02-17 16:58:32
● 2026-05-09 20:12:34
●NSns4-01.azure-dns.info2026-02-17 → 2026-05-09 · 3 obs
○ 2020-04-06 14:24:50
● 2026-02-17 16:58:32
● 2026-05-09 20:12:34
○MXalt1.aspmx.l.google.com2018-10-30 → 2020-04-06 · 4 obs
● 2018-10-30 12:27:06
● 2020-04-06 14:24:50
○ 2026-02-17 16:58:32
○ 2026-05-09 20:12:34
○MXalt2.aspmx.l.google.com2018-10-30 → 2020-04-06 · 4 obs
● 2018-10-30 12:27:06
● 2020-04-06 14:24:50
○ 2026-02-17 16:58:32
○ 2026-05-09 20:12:34
○MXaspmx.l.google.com2018-10-30 → 2020-04-06 · 4 obs
● 2018-10-30 12:27:06
● 2020-04-06 14:24:50
○ 2026-02-17 16:58:32
○ 2026-05-09 20:12:34
○MXaspmx2.googlemail.com2018-10-30 → 2020-04-06 · 4 obs
● 2018-10-30 12:27:06
● 2020-04-06 14:24:50
○ 2026-02-17 16:58:32
○ 2026-05-09 20:12:34
○MXaspmx3.googlemail.com2018-10-30 → 2020-04-06 · 4 obs
● 2018-10-30 12:27:06
● 2020-04-06 14:24:50
○ 2026-02-17 16:58:32
○ 2026-05-09 20:12:34
○A13.68.101.622018-10-30 → 2018-10-30 · 3 obs
● 2018-10-30 12:27:06
○ 2020-04-06 14:24:50
○ 2026-05-09 20:12:34
●A52.167.179.1342020-04-06 → 2026-05-09 · 3 obs
○ 2018-10-30 12:27:06
● 2020-04-06 14:24:50
● 2026-05-09 20:12:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ioc0.nic.io, a2.nic.io, a0.nic.io, b0.nic.io-
formstack.ions3-01.azure-dns.org, ns2-01.azure-dns.net, ns1-01.azure-dns.com, ns4-01.azure-dns.info-

✅ Authoritative Response

Server:13.107.236.1

NS records: ns3-01.azure-dns.org, ns2-01.azure-dns.net, ns1-01.azure-dns.com, ns4-01.azure-dns.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for formstack.io (unsigned zone)

⏱️ Timing

Total: 725ms | Queries: -

📄 Records

TypeCountSample Data
A152.167.179.134
NS4ns1-01.azure-dns.com, ns2-01.azure-dns.net...
TXT1google-site-verification=Rbn2Se_yg9Y_a0r
SOA1ns1-01.azure-dns.com azuredns-hostmaster

Analysis

Hierarchy

formstack.io is a parent of sfcdn.formstack.io, s(0x666170)i.formstack.io, frontdoorcdn.formstack.io and www.formstack.io.

IP Addresses

formstack.io points to a single IP: 52.167.179.134.

Name Servers

formstack.io is delegated to four name servers: ns1-01.azure-dns.com, ns4-01.azure-dns.info, ns2-01.azure-dns.net and ns3-01.azure-dns.org.

formstack.io at least partially shares its name servers with other domains, for instance wafer-cone.com, kwotation.com, xbox360errorcode.com, secureproductiveenterprise.net and 169.16.72.in-addr.arpa.

Host names with two IPs: ns1-01.azure-dns.com points to 2603:1061:0:700::1 and 13.107.236.1; ns4-01.azure-dns.info points to 2620:1ec:bda:700::1 and 208.84.5.1; ns2-01.azure-dns.net points to 2620:1ec:8ec:700::1 and 150.171.21.1; ns3-01.azure-dns.org points to 2a01:111:4000:700::1 and 204.14.183.1.