sysadminweekly.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`sysadminweekly.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:1b1a^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:8cf0^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.27.26^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.140.240^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`amber.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a40^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amber.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c040^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`amber.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2040^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`amber.ns.cloudflare.com`
		A	108.162.192.64^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amber.ns.cloudflare.com`
		A	172.64.32.64^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amber.ns.cloudflare.com`
		A	173.245.58.64^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amber.ns.cloudflare.com`
NS	`felipe.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c74^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`felipe.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c374^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`felipe.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2374^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`felipe.ns.cloudflare.com`
		A	108.162.195.116^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`felipe.ns.cloudflare.com`
		A	162.159.44.116^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`felipe.ns.cloudflare.com`
		A	172.64.35.116^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`felipe.ns.cloudflare.com`
MX	`sysadminweekly-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c803::b^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn3pr0301cu00103.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::5^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch4pr21cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:f908::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn8pr05cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:f909::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn6pr04cu00200.inbound.protection.outlook.com`
		A	52.101.11.17^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr0501cu00301.inbound.protection.outlook.com`
		A	52.101.42.18^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr03cu00302.inbound.protection.outlook.com`
		A	52.101.50.10^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mw2pr02cu00502.inbound.protection.outlook.com`
		A	52.101.194.3^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch1pr04cu00103.inbound.protection.outlook.com`
TXT	`MS=ms18234996`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.27.26, 172.67.140.240
		IPv6 hints	2606:4700:3034::6815:1b1a, 2606:4700:3035::ac43:8cf0
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=54, name=cloudflare-ech.com
SOA	`amber.ns.cloudflare.com`dns@cloudflare.com serial=2412914587

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1789088108

Same first word

sysadminweekly.com

sysadminweekly.net

Previous names

Next names

DNS History

11 records (7 active, 4 former)

●NSamber.ns.cloudflare.com2026-09-01 → 2026-09-11 · 3 obs

○ 2017-06-28 00:05:48
● 2026-09-01 03:25:44
● 2026-09-11 01:13:52

●NSfelipe.ns.cloudflare.com2026-09-01 → 2026-09-11 · 3 obs

○ 2017-06-28 00:05:48
● 2026-09-01 03:25:44
● 2026-09-11 01:13:52

○NSsk.s7.ans1.ns68.klczy.com2016-04-18 → 2016-04-18 · 3 obs

● 2016-04-18 03:41:30
○ 2017-06-28 00:05:48
○ 2026-09-11 01:13:52

○NSsk.s7.ans2.ns68.klczy.com2016-04-18 → 2016-04-18 · 3 obs

● 2016-04-18 03:41:30
○ 2017-06-28 00:05:48
○ 2026-09-11 01:13:52

●MXsysadminweekly-com.mail.protection.outlook.com2026-09-01 → 2026-09-11 · 2 obs

● 2026-09-01 03:25:44
● 2026-09-11 01:13:52

●A104.21.27.262026-09-01 → 2026-09-11 · 3 obs

○ 2017-06-28 00:05:48
● 2026-09-01 03:25:44
● 2026-09-11 01:13:52

○A141.8.225.682016-11-27 → 2016-11-27 · 4 obs

○ 2016-04-18 03:41:30
● 2016-11-27 13:15:30
○ 2017-06-28 00:05:48
○ 2026-09-11 01:13:52

●A172.67.140.2402026-09-01 → 2026-09-11 · 3 obs

○ 2017-06-28 00:05:48
● 2026-09-01 03:25:44
● 2026-09-11 01:13:52

○A208.91.197.1362016-04-18 → 2016-04-18 · 3 obs

● 2016-04-18 03:41:30
○ 2016-11-27 13:15:30
○ 2026-09-11 01:13:52

●A2606:4700:3034::6815:1b1a2026-09-01 → 2026-09-11 · 3 obs

○ 2017-06-28 00:05:48
● 2026-09-01 03:25:44
● 2026-09-11 01:13:52

●A2606:4700:3035::ac43:8cf02026-09-01 → 2026-09-11 · 3 obs

○ 2017-06-28 00:05:48
● 2026-09-01 03:25:44
● 2026-09-11 01:13:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sysadminweekly.com	amber.ns.cloudflare.com, felipe.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.116

NS records: amber.ns.cloudflare.com, felipe.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sysadminweekly.com (unsigned zone)

⏱️ Timing

Total: 531ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.27.26, 172.67.140.240`
AAAA	2	`2606:4700:3034::6815:1b1a, 2606:4700:3035::ac43:8cf0`
NS	2	`amber.ns.cloudflare.com, felipe.ns.cloudflare.com`
MX	1	`sysadminweekly-com.mail.protection.outlo`
TXT	2	`MS=ms18234996, v=spf1 include:spf.protection.outlook.co`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`amber.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

sysadminweekly.com directs to four IP numbers, which are 104.21.27.26, 172.67.140.240, 2606:4700:3034::6815:1b1a and 2606:4700:3035::ac43:8cf0.

fuwatoys.com, motoepocacastelli.it, its-hero.com and two other host names share IP numbers with sysadminweekly.com.

Name Servers

sysadminweekly.com uses two name servers for its delegation: amber.ns.cloudflare.com and felipe.ns.cloudflare.com.

sysadminweekly.com uses the same name servers as several other domains — among them guangshanzhijia.cn, xashenzhou.cn, zgkmy.com and two more.

The name servers of sysadminweekly.com overlap at least partially with those of other domains — among them frozen-flame.com, tdv-3ud.pages.dev, 9c2x59jpvv.workers.dev and two more.

These name servers commonly appear in combination with the name servers aida.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

Hostname amber.ns.cloudflare.com directs to 108.162.192.64, 172.64.32.64 and 173.245.58.64 along with 3 other IP addresses.

Hostname felipe.ns.cloudflare.com directs to 108.162.195.116, 162.159.44.116 and 172.64.35.116 along with 3 other IP addresses.

Mail Servers

Mail for sysadminweekly.com is handled by a single mail server, sysadminweekly-com.mail.protection.outlook.com.

sysadminweekly-com.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.11.17, 52.101.42.18, 52.101.50.10 and 5 others.