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=1783737553
rank #284322 globally
rank #2242 in the tld
📈 Tranco rank: #276,841

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 → 2026-07-11 · 3 obs
○ 2020-04-06 14:24:50
● 2026-02-17 16:58:32
● 2026-07-11 02:57:18
○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
○ 2026-07-11 02:57:18
○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
○ 2026-07-11 02:57:18
○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
○ 2026-07-11 02:57:18
○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
○ 2026-07-11 02:57:18
○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
○ 2026-07-11 02:57:18
○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
○ 2026-07-11 02:57:18
●NSns2-01.azure-dns.net2026-02-17 → 2026-07-11 · 3 obs
○ 2020-04-06 14:24:50
● 2026-02-17 16:58:32
● 2026-07-11 02:57:18
●NSns3-01.azure-dns.org2026-02-17 → 2026-07-11 · 3 obs
○ 2020-04-06 14:24:50
● 2026-02-17 16:58:32
● 2026-07-11 02:57:18
●NSns4-01.azure-dns.info2026-02-17 → 2026-07-11 · 3 obs
○ 2020-04-06 14:24:50
● 2026-02-17 16:58:32
● 2026-07-11 02:57:18
○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
○ 2026-07-11 02:57:18
○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
○ 2026-07-11 02:57:18
○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
○ 2026-07-11 02:57:18
○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
○ 2026-07-11 02:57:18
○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
○ 2026-07-11 02:57:18
○A13.68.101.622018-10-30 → 2018-10-30 · 3 obs
● 2018-10-30 12:27:06
○ 2020-04-06 14:24:50
○ 2026-07-11 02:57:18
●A52.167.179.1342020-04-06 → 2026-07-11 · 3 obs
○ 2018-10-30 12:27:06
● 2020-04-06 14:24:50
● 2026-07-11 02:57:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
iob0.nic.io, c0.nic.io, a0.nic.io, a2.nic.io-
formstack.ions1-01.azure-dns.com, ns2-01.azure-dns.net, ns3-01.azure-dns.org, ns4-01.azure-dns.info-

✅ Authoritative Response

Server:208.84.5.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for formstack.io (unsigned zone)

⏱️ Timing

Total: 384ms | 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

sfcdn.formstack.io, s(0x666170)i.formstack.io, frontdoorcdn.formstack.io and www.formstack.io are all subdomains of formstack.io.

IP Addresses

formstack.io resolves to just one IP address, 52.167.179.134.

Name Servers

The NS records for formstack.io point 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.

The name servers of formstack.io overlap at least partially with those of other domains — among them wafer-cone.com, kwotation.com, xbox360errorcode.com and two more.

Each of the four hosts ns1-01.azure-dns.com, ns4-01.azure-dns.info, ns2-01.azure-dns.net and ns3-01.azure-dns.org has two IP addresses. ns1-01.azure-dns.com points to 13.107.236.1 and 2603:1061:0:700::1. ns4-01.azure-dns.info points to 208.84.5.1 and 2620:1ec:bda:700::1. ns2-01.azure-dns.net points to 150.171.21.1 and 2620:1ec:8ec:700::1. ns3-01.azure-dns.org points to 204.14.183.1 and 2a01:111:4000:700::1.