kt-sys.net - robtex.com

kt-sys.net

DNSSEC⚠️ Not signed
A198.49.23.144🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US ✓ In HTTPS hints
A198.49.23.145🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US ✓ In HTTPS hints
A198.185.159.144🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US ✓ In HTTPS hints
A198.185.159.145🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US ✓ In HTTPS hints
NSns-cloud-c1.googledomains.com ⭐
A2001:4860:4802:32::6c🇺🇸 Google2001:4860::/32
PTRns-cloud-c1.googledomains.com
A216.239.32.108🇺🇸 Google216.239.32.0/24
PTRns-cloud-c1.googledomains.com
NSns-cloud-c2.googledomains.com
A2001:4860:4802:34::6c🇺🇸 Google2001:4860::/32
PTRns-cloud-c2.googledomains.com
A216.239.34.108🇺🇸 Google216.239.34.0/24
PTRns-cloud-c2.googledomains.com
NSns-cloud-c3.googledomains.com
A2001:4860:4802:36::6c🇺🇸 Google2001:4860::/32
PTRns-cloud-c3.googledomains.com
A216.239.36.108🇺🇸 Google216.239.36.0/24
PTRns-cloud-c3.googledomains.com
NSns-cloud-c4.googledomains.com
A2001:4860:4802:38::6c🇺🇸 Google2001:4860::/32
PTRns-cloud-c4.googledomains.com
A216.239.38.108🇺🇸 Google216.239.38.0/24
PTRns-cloud-c4.googledomains.com
MXsmtp.google.com ⭐
A2607:f8b0:4004:c0b::1a🇺🇸 Google2607:f8b0:4004::/48
PTRbj-in-f26.1e100.net
A2607:f8b0:4004:c17::1a🇺🇸 Google2607:f8b0:4004::/48
PTRbl-in-f26.1e100.net
A2607:f8b0:4004:c19::1a🇺🇸 Google2607:f8b0:4004::/48
PTRbk-in-f26.1e100.net
A2607:f8b0:4004:c19::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbk-in-f27.1e100.net
A142.250.31.27🇺🇸 Google142.250.31.0/24
PTRbj-in-f27.1e100.net
A142.251.16.26🇺🇸 Google142.251.16.0/24
PTRbl-in-f26.1e100.net
A142.251.16.27🇺🇸 Google142.251.16.0/24
PTRbl-in-f27.1e100.net
A142.251.111.26🇺🇸 Google142.251.111.0/24
PTRbk-in-f26.1e100.net
A142.251.111.27🇺🇸 Google142.251.111.0/24
PTRbk-in-f27.1e100.net
TXTv=spf1 include:_spf.google.com ~all
HTTPSHTTP/2, HTTP/1.1 ✓ hints match
IPv4 hints198.185.159.144, 198.185.159.145, 198.49.23.144, 198.49.23.145
SOAns-cloud-c1.googledomains.comcloud-dns-hostmaster@google.com serial=1

net

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=1785015617

Same first word

kt-sys.com
kt-sys.net
kt-sys.de

Similar names

ksty-s.sakura.ne.jp
k-syst.com
ksty-s.com
sky-ts.de
tk-sys.de
tk-sys.co.jp
st-sky.com

DNS History

17 records (9 active, 8 former)

20162017201820192020202120222023202420252026NSns-cloud-c1.googledomains.comns-cloud-c2.googledomains.comns-cloud-c3.googledomains.comns-cloud-c4.googledomains.comns65.1und1.dens66.1und1.deMXsmtp.google.commx00.kundenserver.demx01.kundenserver.deA198.185.159.144198.185.159.145198.49.23.144198.49.23.1452001:8d8:1000:f082:2d9f:46f4:b2a0:57642001:8d8:1000:f082:6dbe:f4f2:c3a5:c00f217.160.122.11182.165.185.31
●NSns-cloud-c1.googledomains.com2026-04-25 → 2026-07-25 · 3 obs
○ 2017-07-01 20:18:46
● 2026-04-25 21:49:24
● 2026-07-25 22:07:20
●NSns-cloud-c2.googledomains.com2026-04-25 → 2026-07-25 · 3 obs
○ 2017-07-01 20:18:46
● 2026-04-25 21:49:24
● 2026-07-25 22:07:20
●NSns-cloud-c3.googledomains.com2026-04-25 → 2026-07-25 · 3 obs
○ 2017-07-01 20:18:46
● 2026-04-25 21:49:24
● 2026-07-25 22:07:20
●NSns-cloud-c4.googledomains.com2026-04-25 → 2026-07-25 · 3 obs
○ 2017-07-01 20:18:46
● 2026-04-25 21:49:24
● 2026-07-25 22:07:20
○NSns65.1und1.de2015-06-16 → 2017-07-01 · 4 obs
● 2015-06-16 15:40:10
● 2017-07-01 20:18:46
○ 2026-04-25 21:49:24
○ 2026-07-25 22:07:20
○NSns66.1und1.de2015-06-16 → 2017-07-01 · 4 obs
● 2015-06-16 15:40:10
● 2017-07-01 20:18:46
○ 2026-04-25 21:49:24
○ 2026-07-25 22:07:20
○MXmx00.kundenserver.de2015-06-16 → 2017-07-01 · 4 obs
● 2015-06-16 15:40:10
● 2017-07-01 20:18:46
○ 2026-04-25 21:49:24
○ 2026-07-25 22:07:20
○MXmx01.kundenserver.de2015-06-16 → 2017-07-01 · 4 obs
● 2015-06-16 15:40:10
● 2017-07-01 20:18:46
○ 2026-04-25 21:49:24
○ 2026-07-25 22:07:20
●MXsmtp.google.com2026-04-25 → 2026-07-25 · 3 obs
○ 2017-07-01 20:18:46
● 2026-04-25 21:49:24
● 2026-07-25 22:07:20
●A198.185.159.1442026-04-25 → 2026-07-25 · 3 obs
○ 2017-07-01 20:18:46
● 2026-04-25 21:49:24
● 2026-07-25 22:07:20
●A198.185.159.1452026-04-25 → 2026-07-25 · 3 obs
○ 2017-07-01 20:18:46
● 2026-04-25 21:49:24
● 2026-07-25 22:07:20
●A198.49.23.1442026-04-25 → 2026-07-25 · 3 obs
○ 2017-07-01 20:18:46
● 2026-04-25 21:49:24
● 2026-07-25 22:07:20
●A198.49.23.1452026-04-25 → 2026-07-25 · 3 obs
○ 2017-07-01 20:18:46
● 2026-04-25 21:49:24
● 2026-07-25 22:07:20
○A2001:8d8:1000:f082:2d9f:46f4:b2a0:57642016-11-27 → 2017-07-01 · 5 obs
○ 2016-04-17 10:25:50
● 2016-11-27 22:23:04
● 2017-07-01 20:18:46
○ 2026-04-25 21:49:24
○ 2026-07-25 22:07:20
○A2001:8d8:1000:f082:6dbe:f4f2:c3a5:c00f2015-06-16 → 2016-04-17 · 4 obs
● 2015-06-16 15:40:10
● 2016-04-17 10:25:50
○ 2016-11-27 22:23:04
○ 2026-07-25 22:07:20
○A217.160.122.1112016-11-27 → 2017-07-01 · 5 obs
○ 2016-04-17 10:25:50
● 2016-11-27 22:23:04
● 2017-07-01 20:18:46
○ 2026-04-25 21:49:24
○ 2026-07-25 22:07:20
○A82.165.185.312015-06-16 → 2016-04-17 · 4 obs
● 2015-06-16 15:40:10
● 2016-04-17 10:25:50
○ 2016-11-27 22:23:04
○ 2026-07-25 22:07:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
neta.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
kt-sys.netns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com-

✅ Authoritative Response

Server:216.239.38.108

NS records: ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kt-sys.net (unsigned zone)

⏱️ Timing

Total: 833ms | Queries: -

📄 Records

TypeCountSample Data
A4198.185.159.144, 198.185.159.145...
NS4ns-cloud-c4.googledomains.com, ns-cloud-c1.googledomains.com...
MX1smtp.google.com (pri: 1)
TXT1v=spf1 include:_spf.google.com ~all
HTTPS1{"priority":1,"target":".","alpn":["h2",
SOA1ns-cloud-c1.googledomains.com cloud-dns-

Analysis

IP Addresses

kt-sys.net has four IP addresses: 198.49.23.144, 198.49.23.145, 198.185.159.144 and 198.185.159.145.

twerknola.com, tahana.co, verdisquarerealty.com and two other host names share IP numbers with kt-sys.net.

Name Servers

The authoritative name servers for kt-sys.net are ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com.

kt-sys.net shares at least some of its name servers with other domains, including chivoid.com, mayaguesthouse.com, frankhobza.com and two others.

The host names ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com each resolve to two IP addresses: ns-cloud-c1.googledomains.com resolves to 216.239.32.108 and 2001:4860:4802:32::6c; ns-cloud-c2.googledomains.com resolves to 216.239.34.108 and 2001:4860:4802:34::6c; ns-cloud-c3.googledomains.com resolves to 216.239.36.108 and 2001:4860:4802:36::6c; ns-cloud-c4.googledomains.com resolves to 216.239.38.108 and 2001:4860:4802:38::6c.

Mail Servers

Mail for kt-sys.net is handled by a single mail server, smtp.google.com.

kt-sys.net uses an identical mail server configuration to several other domains — among them kozzde.com, kenkou-1.com, capterllc.com.de and two more.

kt-sys.net has at least partial mail server overlap with other domains such as solariabiodata.com.mx, brs.ac.th, wigwag.co.uk and two more.

These mail servers commonly appear together with alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, aspmx.l.google.com and two other mail servers.

smtp.google.com resolves to 9 IP addresses — 142.250.31.27, 142.251.16.26, 142.251.16.27 and 6 others.