sysadminmag.com - dns.ninja

sysadminmag.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:23f3🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:b57c🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.35.243Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.181.124🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSns1.ubmdns.com ⭐
A2400:cb00:2049:1::a29f:d0🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
PTRns1.ubmdns.com
A162.159.0.208Cloudflare162.159.0.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns2.ubmdns.com
A2400:cb00:2049:1::a29f:1d0🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
PTRns2.ubmdns.com
A162.159.1.208Cloudflare162.159.1.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.ubmdns.com
TXTv=spf1 mx include:spf.ubm-us.net -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.35.243, 172.67.181.124
IPv6 hints2606:4700:3032::6815:23f3, 2606:4700:3036::ac43:b57c
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=16, name=cloudflare-ech.com
SOAns1.ubmdns.comdns@cloudflare.com serial=2410624207

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=1785368792
rank #787865 globally
rank #332884 in the tld
WOT: UNKNOWN (76/100)

Subdomains

www.sysadminmag.com

Same first word

sysadminmag.com

DNS History

24 records (6 active, 18 former)

20162017201820192020202120222023202420252026NSns1.ubmdns.comns2.ubmdns.comns1.ubm-us.netns2.ubm-us.netns3.ubm-us.netMXmailhost.ubm-us.netA104.21.35.243172.67.181.1242606:4700:3032::6815:23f32606:4700:3036::ac43:b57c104.18.36.173104.18.37.173188.114.96.0188.114.97.0192.155.42.93192.155.48.932400:cb00:2048:1::6812:24ad2400:cb00:2048:1::6812:25ad2606:4700:3030::ac43:b57c2606:4700:3033::6815:23f32620:103::192:155:48:932620:103:1:1:192:155:42:932a06:98c1:3120::2a06:98c1:3121::
○NSns1.ubm-us.net2015-07-17 → 2017-01-29 · 4 obs
● 2015-07-17 08:42:26
● 2017-01-29 18:10:30
○ 2018-08-09 09:11:02
○ 2026-07-30 00:10:20
●NSns1.ubmdns.com2018-08-09 → 2026-07-30 · 3 obs
○ 2017-01-29 18:10:30
● 2018-08-09 09:11:02
● 2026-07-30 00:10:20
○NSns2.ubm-us.net2015-07-17 → 2017-01-29 · 4 obs
● 2015-07-17 08:42:26
● 2017-01-29 18:10:30
○ 2018-08-09 09:11:02
○ 2026-07-30 00:10:20
●NSns2.ubmdns.com2018-08-09 → 2026-07-30 · 3 obs
○ 2017-01-29 18:10:30
● 2018-08-09 09:11:02
● 2026-07-30 00:10:20
○NSns3.ubm-us.net2015-07-17 → 2017-01-29 · 4 obs
● 2015-07-17 08:42:26
● 2017-01-29 18:10:30
○ 2018-08-09 09:11:02
○ 2026-07-30 00:10:20
○MXmailhost.ubm-us.net2015-07-17 → 2018-08-09 · 4 obs
● 2015-07-17 08:42:26
● 2018-08-09 09:11:02
○ 2026-03-22 14:54:18
○ 2026-07-30 00:10:20
○A104.18.36.1732018-08-09 → 2018-08-09 · 4 obs
○ 2017-01-29 18:10:30
● 2018-08-09 09:11:02
○ 2026-03-22 14:54:18
○ 2026-07-30 00:10:20
○A104.18.37.1732018-08-09 → 2018-08-09 · 4 obs
○ 2017-01-29 18:10:30
● 2018-08-09 09:11:02
○ 2026-03-22 14:54:18
○ 2026-07-30 00:10:20
●A104.21.35.2432026-03-29 → 2026-07-30 · 8 obs
○ 2026-03-28 09:20:26
● 2026-03-29 10:24:22
○ 2026-04-04 05:14:28
● 2026-04-05 05:50:50
● 2026-04-10 18:16:30
○ 2026-04-17 06:24:06
● 2026-04-26 16:26:28
● 2026-07-30 00:10:20
●A172.67.181.1242026-03-29 → 2026-07-30 · 8 obs
○ 2026-03-28 09:20:26
● 2026-03-29 10:24:22
○ 2026-04-04 05:14:28
● 2026-04-05 05:50:50
● 2026-04-10 18:16:30
○ 2026-04-17 06:24:06
● 2026-04-26 16:26:28
● 2026-07-30 00:10:20
○A188.114.96.02026-03-22 → 2026-04-17 · 10 obs
○ 2018-08-09 09:11:02
● 2026-03-22 14:54:18
● 2026-03-28 09:20:26
○ 2026-03-29 10:24:22
● 2026-04-04 05:14:28
○ 2026-04-05 05:50:50
○ 2026-04-10 18:16:30
● 2026-04-17 06:24:06
○ 2026-04-26 16:26:28
○ 2026-07-30 00:10:20
○A188.114.97.02026-03-22 → 2026-04-17 · 10 obs
○ 2018-08-09 09:11:02
● 2026-03-22 14:54:18
● 2026-03-28 09:20:26
○ 2026-03-29 10:24:22
● 2026-04-04 05:14:28
○ 2026-04-05 05:50:50
○ 2026-04-10 18:16:30
● 2026-04-17 06:24:06
○ 2026-04-26 16:26:28
○ 2026-07-30 00:10:20
○A192.155.42.932017-01-29 → 2017-01-29 · 4 obs
○ 2016-04-12 03:50:12
● 2017-01-29 18:10:30
○ 2018-08-09 09:11:02
○ 2026-07-30 00:10:20
○A192.155.48.932015-07-17 → 2016-04-12 · 4 obs
● 2015-07-17 08:42:26
● 2016-04-12 03:50:12
○ 2017-01-29 18:10:30
○ 2026-07-30 00:10:20
○A2400:cb00:2048:1::6812:24ad2018-08-09 → 2018-08-09 · 4 obs
○ 2017-01-29 18:10:30
● 2018-08-09 09:11:02
○ 2026-03-22 14:54:18
○ 2026-07-30 00:10:20
○A2400:cb00:2048:1::6812:25ad2018-08-09 → 2018-08-09 · 4 obs
○ 2017-01-29 18:10:30
● 2018-08-09 09:11:02
○ 2026-03-22 14:54:18
○ 2026-07-30 00:10:20
○A2606:4700:3030::ac43:b57c2026-03-29 → 2026-06-05 · 10 obs
○ 2026-03-28 09:20:26
● 2026-03-29 10:24:22
○ 2026-04-04 05:14:28
● 2026-04-05 05:50:50
● 2026-04-10 18:16:30
○ 2026-04-17 06:24:06
● 2026-04-26 16:26:28
● 2026-06-05 06:42:42
○ 2026-07-13 11:06:18
○ 2026-07-30 00:10:20
●A2606:4700:3032::6815:23f32026-07-13 → 2026-07-30 · 3 obs
○ 2026-06-05 06:42:42
● 2026-07-13 11:06:18
● 2026-07-30 00:10:20
○A2606:4700:3033::6815:23f32026-03-29 → 2026-06-05 · 10 obs
○ 2026-03-28 09:20:26
● 2026-03-29 10:24:22
○ 2026-04-04 05:14:28
● 2026-04-05 05:50:50
● 2026-04-10 18:16:30
○ 2026-04-17 06:24:06
● 2026-04-26 16:26:28
● 2026-06-05 06:42:42
○ 2026-07-13 11:06:18
○ 2026-07-30 00:10:20
●A2606:4700:3036::ac43:b57c2026-07-13 → 2026-07-30 · 3 obs
○ 2026-06-05 06:42:42
● 2026-07-13 11:06:18
● 2026-07-30 00:10:20
○A2620:103::192:155:48:932015-07-17 → 2016-04-12 · 4 obs
● 2015-07-17 08:42:26
● 2016-04-12 03:50:12
○ 2017-01-29 18:10:30
○ 2026-07-30 00:10:20
○A2620:103:1:1:192:155:42:932017-01-29 → 2017-01-29 · 4 obs
○ 2016-04-12 03:50:12
● 2017-01-29 18:10:30
○ 2018-08-09 09:11:02
○ 2026-07-30 00:10:20
○A2a06:98c1:3120::2026-03-22 → 2026-04-17 · 10 obs
○ 2018-08-09 09:11:02
● 2026-03-22 14:54:18
● 2026-03-28 09:20:26
○ 2026-03-29 10:24:22
● 2026-04-04 05:14:28
○ 2026-04-05 05:50:50
○ 2026-04-10 18:16:30
● 2026-04-17 06:24:06
○ 2026-04-26 16:26:28
○ 2026-07-30 00:10:20
○A2a06:98c1:3121::2026-03-22 → 2026-04-17 · 10 obs
○ 2018-08-09 09:11:02
● 2026-03-22 14:54:18
● 2026-03-28 09:20:26
○ 2026-03-29 10:24:22
● 2026-04-04 05:14:28
○ 2026-04-05 05:50:50
○ 2026-04-10 18:16:30
● 2026-04-17 06:24:06
○ 2026-04-26 16:26:28
○ 2026-07-30 00:10:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, j.gtld-servers.net...-
sysadminmag.comns1.ubmdns.com, ns2.ubmdns.com2 records

✅ Authoritative Response

Server:162.159.0.208

NS records: ns1.ubmdns.com, ns2.ubmdns.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 316ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.181.124, 104.21.35.243
AAAA22606:4700:3032::6815:23f3, 2606:4700:3036::ac43:b57c
NS2ns1.ubmdns.com, ns2.ubmdns.com
TXT1v=spf1 mx include:spf.ubm-us.net -all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1ns1.ubmdns.com dns.cloudflare.com

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.ubmdns.com, ns2.ubmdns.com)

Analysis

Hierarchy

www.sysadminmag.com is delegated beneath sysadminmag.com.

IP Addresses

sysadminmag.com points to the four IP addresses 104.21.35.243, 172.67.181.124, 2606:4700:3032::6815:23f3 and 2606:4700:3036::ac43:b57c.

Among the host names that share IP numbers with sysadminmag.com are maficheclasse.com, zeroyouthdetention.com, fondsweb.ch and two others.

Name Servers

DNS delegation for sysadminmag.com points to two name servers: ns1.ubmdns.com and ns2.ubmdns.com.

sysadminmag.com has the same name server delegation as a number of other domains, such as health-lp.net, pmecjapan.jp, futuresforforces.org and two more.

ns1.ubmdns.com directs to 162.159.0.208 and 2400:cb00:2049:1::a29f:d0. ns2.ubmdns.com directs to 162.159.1.208 and 2400:cb00:2049:1::a29f:1d0. Each host name carries two IP addresses.