semanticsys.org - robtex.com

semanticsys.org

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:115b🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A2606:4700:3037::ac43:af69🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A104.21.17.91Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.67.175.105🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSanna.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a66🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRanna.ns.cloudflare.com
A2803:f800:50::6ca2:c066🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRanna.ns.cloudflare.com
A2a06:98c1:50::ac40:2066🇺🇸 Cloudflare2a06:98c1:50::/45
PTRanna.ns.cloudflare.com
A108.162.192.102🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRanna.ns.cloudflare.com
A172.64.32.102🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRanna.ns.cloudflare.com
A173.245.58.102🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRanna.ns.cloudflare.com
NSkeaton.ns.cloudflare.com
A2606:4700:58::a29f:2cb5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkeaton.ns.cloudflare.com
A2803:f800:50::6ca2:c3b5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkeaton.ns.cloudflare.com
A2a06:98c1:50::ac40:23b5🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkeaton.ns.cloudflare.com
A108.162.195.181🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkeaton.ns.cloudflare.com
A162.159.44.181Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkeaton.ns.cloudflare.com
A172.64.35.181🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkeaton.ns.cloudflare.com
MX_dc-mx.db920c46922f.semanticsys.org ⭐
A91.98.42.9🇮🇷 Hetzner91.98.0.0/16 HETZNER-DC
PTRstatic.9.42.98.91.clients.your-server.de
TXTv=spf1 a mx ~all
SOAanna.ns.cloudflare.comdns@cloudflare.com serial=2383095720

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1776240519

Subdomains

mail.semanticsys.org

Same first word

semanticsys.org

Similar names

asystemsinc.com
icansystems.com

DNS History

14 records (7 active, 7 former)

20162017201820192020202120222023202420252026NSanna.ns.cloudflare.comkeaton.ns.cloudflare.comns01.zonereg.runs02.zonereg.runs1.semanticsys.orgns2.semanticsys.orgMX_dc-mx.db920c46922f.semanticsys.orgmail.semanticsys.orgA104.21.17.91172.67.175.1052606:4700:3034::6815:115b2606:4700:3037::ac43:af69184.172.12.27198.37.113.92
●NSanna.ns.cloudflare.com2026-04-10 → 2026-04-15 · 3 obs
○ 2018-09-10 12:55:42
● 2026-04-10 17:19:50
● 2026-04-15 08:20:14
●NSkeaton.ns.cloudflare.com2026-04-10 → 2026-04-15 · 3 obs
○ 2018-09-10 12:55:42
● 2026-04-10 17:19:50
● 2026-04-15 08:20:14
○NSns01.zonereg.ru2016-12-25 → 2018-09-10 · 5 obs
○ 2016-04-29 21:26:30
● 2016-12-25 06:11:06
● 2018-09-10 12:55:42
○ 2026-04-10 17:19:50
○ 2026-04-15 08:20:14
○NSns02.zonereg.ru2016-12-25 → 2018-09-10 · 5 obs
○ 2016-04-29 21:26:30
● 2016-12-25 06:11:06
● 2018-09-10 12:55:42
○ 2026-04-10 17:19:50
○ 2026-04-15 08:20:14
○NSns1.semanticsys.org2015-05-22 → 2016-04-29 · 4 obs
● 2015-05-22 00:53:48
● 2016-04-29 21:26:30
○ 2016-12-25 06:11:06
○ 2026-04-15 08:20:14
○NSns2.semanticsys.org2015-05-22 → 2016-04-29 · 4 obs
● 2015-05-22 00:53:48
● 2016-04-29 21:26:30
○ 2016-12-25 06:11:06
○ 2026-04-15 08:20:14
●MX_dc-mx.db920c46922f.semanticsys.org2026-04-10 → 2026-04-15 · 3 obs
○ 2018-09-10 12:55:42
● 2026-04-10 17:19:50
● 2026-04-15 08:20:14
○MXmail.semanticsys.org2015-05-22 → 2018-09-10 · 4 obs
● 2015-05-22 00:53:48
● 2018-09-10 12:55:42
○ 2026-04-10 17:19:50
○ 2026-04-15 08:20:14
●A104.21.17.912026-04-10 → 2026-04-15 · 3 obs
○ 2018-09-10 12:55:42
● 2026-04-10 17:19:50
● 2026-04-15 08:20:14
●A172.67.175.1052026-04-10 → 2026-04-15 · 3 obs
○ 2018-09-10 12:55:42
● 2026-04-10 17:19:50
● 2026-04-15 08:20:14
○A184.172.12.272015-05-22 → 2016-04-29 · 4 obs
● 2015-05-22 00:53:48
● 2016-04-29 21:26:30
○ 2016-12-25 06:11:06
○ 2026-04-15 08:20:14
○A198.37.113.922016-12-25 → 2018-09-10 · 5 obs
○ 2016-04-29 21:26:30
● 2016-12-25 06:11:06
● 2018-09-10 12:55:42
○ 2026-04-10 17:19:50
○ 2026-04-15 08:20:14
●A2606:4700:3034::6815:115b2026-04-10 → 2026-04-15 · 3 obs
○ 2018-09-10 12:55:42
● 2026-04-10 17:19:50
● 2026-04-15 08:20:14
●A2606:4700:3037::ac43:af692026-04-10 → 2026-04-15 · 3 obs
○ 2018-09-10 12:55:42
● 2026-04-10 17:19:50
● 2026-04-15 08:20:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgd0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org-
semanticsys.orgkeaton.ns.cloudflare.com, anna.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.102

NS records: keaton.ns.cloudflare.com, anna.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for semanticsys.org (unsigned zone)

⏱️ Timing

Total: 496ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.175.105, 104.21.17.91
AAAA22606:4700:3034::6815:115b, 2606:4700:3037::ac43:af69
NS2anna.ns.cloudflare.com, keaton.ns.cloudflare.com
MX1_dc-mx.db920c46922f.semanticsys.org (pri
TXT1v=spf1 a mx ~all
SOA1anna.ns.cloudflare.com dns.cloudflare.co

Analysis

Hierarchy

The parent of mail.semanticsys.org is semanticsys.org.

IP Addresses

semanticsys.org points to four IP numbers: 2606:4700:3034::6815:115b, 2606:4700:3037::ac43:af69, 104.21.17.91 and 172.67.175.105.

Other host names, for instance vlivi.com, 91club.news, sakura.black, mistjoyhub.com and csbfamily.net share IP numbers with semanticsys.org.

Name Servers

semanticsys.org is delegated to two name servers: anna.ns.cloudflare.com and keaton.ns.cloudflare.com.

semanticsys.org uses the same name server setup as other domains, for instance nashi-kroliki.com, familyclub.in.ua, stalker-gsc.ru, keysbase.com and callofpripyat.com.

semanticsys.org shares name servers with other domains at least partially, for instance voltbelgie.org, lb8077.com, silvariqua.com, unf.net and auditor.ca.gov.

these name servers are commonly used together with tom.ns.cloudflare.com and cody.ns.cloudflare.com.

Host names with six IP numbers: anna.ns.cloudflare.com points to 2606:4700:50::adf5:3a66, 2803:f800:50::6ca2:c066, 2a06:98c1:50::ac40:2066, 108.162.192.102, 172.64.32.102 and 173.245.58.102; keaton.ns.cloudflare.com points to 2606:4700:58::a29f:2cb5, 2803:f800:50::6ca2:c3b5, 2a06:98c1:50::ac40:23b5, 108.162.195.181, 162.159.44.181 and 172.64.35.181.

Mail Servers

The mail server for semanticsys.org is _dc-mx.db920c46922f.semanticsys.org.

Host name _dc-mx.db920c46922f.semanticsys.org resolves to IP 91.98.42.9.