sysdev.cf - dns.ninja

`sysdev.cf`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:602f^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:ad04^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.96.47^{Cloudflare104.21.96.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.173.4^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`pete.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b88^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pete.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c188^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`pete.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2188^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`pete.ns.cloudflare.com`
		A	108.162.193.136^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pete.ns.cloudflare.com`
		A	172.64.33.136^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pete.ns.cloudflare.com`
		A	173.245.59.136^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pete.ns.cloudflare.com`
NS	`serena.ns.cloudflare.com`
		A	2606:4700:50::adf5:3adc^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serena.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0dc^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`serena.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20dc^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`serena.ns.cloudflare.com`
		A	108.162.192.220^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serena.ns.cloudflare.com`
		A	172.64.32.220^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serena.ns.cloudflare.com`
		A	173.245.58.220^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serena.ns.cloudflare.com`
MX	`route3.mx.cloudflare.net` ⭐
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽²³⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁴⁰⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.96.47, 172.67.173.4
		IPv6 hints	2606:4700:3034::6815:602f, 2606:4700:3035::ac43:ad04
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=130, name=cloudflare-ech.com
SOA	`pete.ns.cloudflare.com`dns@cloudflare.com serial=2405789541

`cf`

	DNSSEC	⚠️ Not signed
	NS	`a.ns.cf` ⭐
	NS	`b.ns.cf`
	NS	`c.ns.cf`
	NS	`d.ns.cf`
	MX	`mail.intnet.cf` ⭐
	SOA	`a.ns.cf`kohilaire@socatel.cf serial=1781042125

Previously MX for

sysdev.cf

Same first word

sysdev.de

sysdev.cf

sysdev.cl

sysdev.lv

sysdev.eu

sysdev.ro

sysdev.ru

sysdev.es

sysdev.fr

sysdev.com

sysdev.id

sysdev.org

sysdev.no

sysdev.co

Similar names

vedsys.com

devsys.com.uy

devsys.at

devsys.ru

devsys.co.uk

devsys.com.mx

devsys.ca

devsys.com

devsys.com.br

devsys.cl

devsys.de

devsys.net

devsys.co.in

devyss.de

devsys.co.za

devsys.fr

DNS History

16 records (9 active, 7 former)

●NSpete.ns.cloudflare.com2017-03-16 → 2026-06-10 · 2 obs

● 2017-03-16 14:27:46
● 2026-06-10 05:20:46

●NSserena.ns.cloudflare.com2017-03-16 → 2026-06-10 · 2 obs

● 2017-03-16 14:27:46
● 2026-06-10 05:20:46

○MXdc-70601aa63efa.sysdev.cf2020-02-15 → 2020-02-15 · 4 obs

○ 2017-03-16 14:27:46
● 2020-02-15 02:22:56
○ 2026-02-15 15:34:56
○ 2026-06-10 05:20:46

●MXroute1.mx.cloudflare.net2026-02-15 → 2026-06-10 · 3 obs

○ 2020-02-15 02:22:56
● 2026-02-15 15:34:56
● 2026-06-10 05:20:46

●MXroute2.mx.cloudflare.net2026-02-15 → 2026-06-10 · 3 obs

○ 2020-02-15 02:22:56
● 2026-02-15 15:34:56
● 2026-06-10 05:20:46

●MXroute3.mx.cloudflare.net2026-02-15 → 2026-06-10 · 3 obs

○ 2020-02-15 02:22:56
● 2026-02-15 15:34:56
● 2026-06-10 05:20:46

○MXsysdev.cf2017-03-16 → 2017-03-16 · 3 obs

● 2017-03-16 14:27:46
○ 2020-02-15 02:22:56
○ 2026-06-10 05:20:46

○A104.128.228.1502017-03-16 → 2017-03-16 · 3 obs

● 2017-03-16 14:27:46
○ 2020-02-15 02:22:56
○ 2026-06-10 05:20:46

●A104.21.96.472026-02-15 → 2026-06-10 · 3 obs

○ 2020-02-15 02:22:56
● 2026-02-15 15:34:56
● 2026-06-10 05:20:46

○A104.27.178.1992020-02-15 → 2020-02-15 · 4 obs

○ 2017-03-16 14:27:46
● 2020-02-15 02:22:56
○ 2026-02-15 15:34:56
○ 2026-06-10 05:20:46

○A104.27.179.1992020-02-15 → 2020-02-15 · 4 obs

○ 2017-03-16 14:27:46
● 2020-02-15 02:22:56
○ 2026-02-15 15:34:56
○ 2026-06-10 05:20:46

●A172.67.173.42026-02-15 → 2026-06-10 · 3 obs

○ 2020-02-15 02:22:56
● 2026-02-15 15:34:56
● 2026-06-10 05:20:46

○A2606:4700:3032::681b:b3c72020-02-15 → 2020-02-15 · 4 obs

○ 2017-03-16 14:27:46
● 2020-02-15 02:22:56
○ 2026-02-15 15:34:56
○ 2026-06-10 05:20:46

●A2606:4700:3034::6815:602f2026-02-15 → 2026-06-10 · 3 obs

○ 2020-02-15 02:22:56
● 2026-02-15 15:34:56
● 2026-06-10 05:20:46

●A2606:4700:3035::ac43:ad042026-02-15 → 2026-06-10 · 3 obs

○ 2020-02-15 02:22:56
● 2026-02-15 15:34:56
● 2026-06-10 05:20:46

○A2606:4700:3037::681b:b2c72020-02-15 → 2020-02-15 · 4 obs

○ 2017-03-16 14:27:46
● 2020-02-15 02:22:56
○ 2026-02-15 15:34:56
○ 2026-06-10 05:20:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cf	b.ns.cf, a.ns.cf, d.ns.cf, c.ns.cf	8 records
sysdev.cf	pete.ns.cloudflare.com, serena.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.136

NS records: pete.ns.cloudflare.com, serena.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cf (unsigned zone)

⏱️ Timing

Total: 643ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.96.47, 172.67.173.4`
AAAA	2	`2606:4700:3035::ac43:ad04, 2606:4700:3034::6815:602f`
NS	2	`pete.ns.cloudflare.com, serena.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 17), route2.mx.cloudflare.net (pri: 23)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`pete.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (d.ns.cf, c.ns.cf, b.ns.cf...)

Analysis

IP Addresses

sysdev.cf has 4 IP addresses: 104.21.96.47, 172.67.173.4, 2606:4700:3034::6815:602f and 2606:4700:3035::ac43:ad04.

librabet-casino.eu, szsyce.com, factsforlife.org and two other host names share IP numbers with sysdev.cf.

Name Servers

The NS records for sysdev.cf delegate to pete.ns.cloudflare.com and serena.ns.cloudflare.com.

sysdev.cf uses the same name servers as several other domains — among them didivod11.com, mindster.com, didiv7.com and two more.

sysdev.cf shares at least some of its name servers with other domains, including goodfirms.co, biobet168.com, magenweb.com and two others.

These name servers are frequently paired with the name servers jean.ns.cloudflare.com and eva.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

pete.ns.cloudflare.com points to 108.162.193.136, 172.64.33.136, 173.245.59.136 and three other IP addresses.

serena.ns.cloudflare.com points to 108.162.192.220, 172.64.32.220, 173.245.58.220 and three other IP addresses.

Mail Servers

sysdev.cf is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

sysdev.cf has at least partial mail server overlap with other domains such as thaiarthritis.org, brusselsguide.net, singapore.to and two more.

Hostnames that resolve to 6 IP addresses:

route1.mx.cloudflare.net points to 162.159.205.11, 162.159.205.12, 162.159.205.13 and three other IP addresses.

route2.mx.cloudflare.net points to 162.159.205.17, 162.159.205.18, 162.159.205.19 and three other IP addresses.

route3.mx.cloudflare.net points to 162.159.205.23, 162.159.205.24, 162.159.205.25 and three other IP addresses.