contention1.com - robtex.com

contention1.com

DNSSEC⚠️ Not signed
A104.21.44.200Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.203.169🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSart.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b66🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRart.ns.cloudflare.com
A2803:f800:50::6ca2:c166🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRart.ns.cloudflare.com
A2a06:98c1:50::ac40:2166🇺🇸 Cloudflare2a06:98c1:50::/45
PTRart.ns.cloudflare.com
A108.162.193.102🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRart.ns.cloudflare.com
A172.64.33.102🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRart.ns.cloudflare.com
A173.245.59.102🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRart.ns.cloudflare.com
NSmichelle.ns.cloudflare.com
A2606:4700:50::adf5:3ac9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmichelle.ns.cloudflare.com
A2803:f800:50::6ca2:c0c9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmichelle.ns.cloudflare.com
A2a06:98c1:50::ac40:20c9🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmichelle.ns.cloudflare.com
A108.162.192.201🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmichelle.ns.cloudflare.com
A172.64.32.201🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmichelle.ns.cloudflare.com
A173.245.58.201🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmichelle.ns.cloudflare.com
MXmail.contention1.com ⭐
A107.172.2.225🇺🇸 Colocrossing-AS107.172.2.0/24
PTR107-172-2-225-host.colocrossing.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.44.200, 172.67.203.169
SOAart.ns.cloudflare.comdns@cloudflare.com serial=2397005820

com

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=1771291435

Subdomains

mail.contention1.com

Same first word

contention1.com

DNS History

17 records (5 active, 12 former)

2017201820192020202120222023202420252026NSart.ns.cloudflare.commichelle.ns.cloudflare.comdns1.registrar-servers.comdns2.registrar-servers.comMXmail.contention1.comeforward1.registrar-servers.comeforward2.registrar-servers.comeforward3.registrar-servers.comeforward4.registrar-servers.comeforward5.registrar-servers.comA104.21.44.200172.67.203.169104.18.60.90104.18.61.90192.64.119.832400:cb00:2048:1::6812:3c5a2400:cb00:2048:1::6812:3d5a
●NSart.ns.cloudflare.com2018-01-26 → 2026-03-05 · 3 obs
○ 2016-12-20 06:58:08
● 2018-01-26 15:12:14
● 2026-03-05 03:04:12
○NSdns1.registrar-servers.com2016-12-20 → 2016-12-20 · 3 obs
● 2016-12-20 06:58:08
○ 2018-01-26 15:12:14
○ 2026-03-05 03:04:12
○NSdns2.registrar-servers.com2016-12-20 → 2016-12-20 · 3 obs
● 2016-12-20 06:58:08
○ 2018-01-26 15:12:14
○ 2026-03-05 03:04:12
●NSmichelle.ns.cloudflare.com2018-01-26 → 2026-03-05 · 3 obs
○ 2016-12-20 06:58:08
● 2018-01-26 15:12:14
● 2026-03-05 03:04:12
○MXeforward1.registrar-servers.com2016-12-20 → 2016-12-20 · 3 obs
● 2016-12-20 06:58:08
○ 2018-01-26 15:12:14
○ 2026-03-05 03:04:12
○MXeforward2.registrar-servers.com2016-12-20 → 2016-12-20 · 3 obs
● 2016-12-20 06:58:08
○ 2018-01-26 15:12:14
○ 2026-03-05 03:04:12
○MXeforward3.registrar-servers.com2016-12-20 → 2016-12-20 · 3 obs
● 2016-12-20 06:58:08
○ 2018-01-26 15:12:14
○ 2026-03-05 03:04:12
○MXeforward4.registrar-servers.com2016-12-20 → 2016-12-20 · 3 obs
● 2016-12-20 06:58:08
○ 2018-01-26 15:12:14
○ 2026-03-05 03:04:12
○MXeforward5.registrar-servers.com2016-12-20 → 2016-12-20 · 3 obs
● 2016-12-20 06:58:08
○ 2018-01-26 15:12:14
○ 2026-03-05 03:04:12
●MXmail.contention1.com2018-01-26 → 2026-03-05 · 3 obs
○ 2016-12-20 06:58:08
● 2018-01-26 15:12:14
● 2026-03-05 03:04:12
○A104.18.60.902018-01-26 → 2018-01-26 · 4 obs
○ 2016-12-20 06:58:08
● 2018-01-26 15:12:14
○ 2026-02-25 00:46:14
○ 2026-03-05 03:04:12
○A104.18.61.902018-01-26 → 2018-01-26 · 4 obs
○ 2016-12-20 06:58:08
● 2018-01-26 15:12:14
○ 2026-02-25 00:46:14
○ 2026-03-05 03:04:12
●A104.21.44.2002026-02-25 → 2026-03-05 · 3 obs
○ 2018-01-26 15:12:14
● 2026-02-25 00:46:14
● 2026-03-05 03:04:12
●A172.67.203.1692026-02-25 → 2026-03-05 · 3 obs
○ 2018-01-26 15:12:14
● 2026-02-25 00:46:14
● 2026-03-05 03:04:12
○A192.64.119.832016-12-20 → 2016-12-20 · 3 obs
● 2016-12-20 06:58:08
○ 2018-01-26 15:12:14
○ 2026-03-05 03:04:12
○A2400:cb00:2048:1::6812:3c5a2018-01-26 → 2018-01-26 · 4 obs
○ 2016-12-20 06:58:08
● 2018-01-26 15:12:14
○ 2026-02-25 00:46:14
○ 2026-03-05 03:04:12
○A2400:cb00:2048:1::6812:3d5a2018-01-26 → 2018-01-26 · 4 obs
○ 2016-12-20 06:58:08
● 2018-01-26 15:12:14
○ 2026-02-25 00:46:14
○ 2026-03-05 03:04:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
contention1.comart.ns.cloudflare.com, michelle.ns.cloudflare.com12 records

✅ Authoritative Response

Server: 108.162.193.102

NS records: art.ns.cloudflare.com, michelle.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contention1.com (unsigned zone)

⏱️ Timing

Total: 165ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.203.169, 104.21.44.200
NS2art.ns.cloudflare.com, michelle.ns.cloudflare.com
MX1mail.contention1.com (pri: 0)
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1art.ns.cloudflare.com dns.cloudflare.com

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (art.ns.cloudflare.com, art.ns.cloudflare.com, art.ns.cloudflare.com...)

Analysis

Hierarchy

contention1.com is the parent of mail.contention1.com.

IP Addresses

The entity contention1.com points to two IP numbers: 104.21.44.200 and 172.67.203.169.

For instance, other host names mail.tinpix.com.br, codecl.com, www.cosmospizzanaples.com, nmghouse.com and wildbbw(0x706f726e).com share IP numbers with contention1.com.

Name Servers

contention1.com is delegated to two name servers: art.ns.cloudflare.com and michelle.ns.cloudflare.com.

contention1.com uses the same name server setup as other domains such as riolexlogisticservice.com, dominguezreyes.com, iangetz.com, gymkhana-federation.ru and chinatvservice.cn.

contention1.com shares name servers with other domains at least partially, for example emperor-palace.com.au, rubydesires.com, mileendbags.com, brazao.org and interexy.com.

These name servers are commonly used with jobs.ns.cloudflare.com, pola.ns.cloudflare.com and coco.ns.cloudflare.com.

Host names with six IP numbers: host name art.ns.cloudflare.com points to: 2606:4700:58::adf5:3b66, 2803:f800:50::6ca2:c166, 2a06:98c1:50::ac40:2166, 108.162.193.102, 172.64.33.102 and 173.245.59.102; host name michelle.ns.cloudflare.com points to: 2606:4700:50::adf5:3ac9, 2803:f800:50::6ca2:c0c9, 2a06:98c1:50::ac40:20c9, 108.162.192.201, 172.64.32.201 and 173.245.58.201.

Mail Servers

contention1.com is handled by a single mail server, mail.contention1.com.

mail.contention1.com points to a single IP: 107.172.2.225.