sysctl.co - dns.ninja
sysctl.co
co
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.registrydns.co | ||||||
| NS | b.registrydns.co | ||||||
| NS | c.registrydns.co | ||||||
| NS | d.registrydns.co | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1759692696 | ||||||
Same first word
sysctl.net |
sysctl.de |
sysctl.date |
sysctl.org |
sysctl.eu |
sysctl.ru |
sysctl.me |
sysctl.io |
sysctl.se |
sysctl.com |
sysctl.co.uk |
sysctl.dk |
sysctl.co |
sysctl.xyz |
Similar names
DNS History
14 records (9 active, 5 former)
●NSns-1443.awsdns-52.org2026-06-26 → 2026-06-28 · 3 obs
● 2026-06-26 17:52:10
● 2026-06-28 11:35:56
●NSns-1560.awsdns-03.co.uk2026-06-26 → 2026-06-28 · 3 obs
● 2026-06-26 17:52:10
● 2026-06-28 11:35:56
●NSns-585.awsdns-09.net2026-06-26 → 2026-06-28 · 3 obs
● 2026-06-26 17:52:10
● 2026-06-28 11:35:56
●NSns-87.awsdns-10.com2026-06-26 → 2026-06-28 · 3 obs
● 2026-06-26 17:52:10
● 2026-06-28 11:35:56
○NSns0.theserve.com2015-07-10 → 2016-07-16 · 4 obs
● 2016-07-16 06:14:18
○ 2026-06-26 17:52:10
○ 2026-06-28 11:35:56
○NSns1.theserve.com2015-07-10 → 2016-07-16 · 4 obs
● 2016-07-16 06:14:18
○ 2026-06-26 17:52:10
○ 2026-06-28 11:35:56
●MXalt1.aspmx.l.google.com2026-06-26 → 2026-06-28 · 3 obs
● 2026-06-26 17:52:10
● 2026-06-28 11:35:56
●MXalt2.aspmx.l.google.com2026-06-26 → 2026-06-28 · 3 obs
● 2026-06-26 17:52:10
● 2026-06-28 11:35:56
●MXalt3.aspmx.l.google.com2026-06-26 → 2026-06-28 · 3 obs
● 2026-06-26 17:52:10
● 2026-06-28 11:35:56
●MXalt4.aspmx.l.google.com2026-06-26 → 2026-06-28 · 3 obs
● 2026-06-26 17:52:10
● 2026-06-28 11:35:56
●MXaspmx.l.google.com2026-06-26 → 2026-06-28 · 3 obs
● 2026-06-26 17:52:10
● 2026-06-28 11:35:56
○MXmc.theserve.com2015-07-10 → 2016-07-16 · 4 obs
● 2016-07-16 06:14:18
○ 2026-06-26 17:52:10
○ 2026-06-28 11:35:56
○MXmc2.theserve.com2015-07-10 → 2016-07-16 · 4 obs
● 2016-07-16 06:14:18
○ 2026-06-26 17:52:10
○ 2026-06-28 11:35:56
○A194.9.28.112015-07-10 → 2016-07-16 · 4 obs
● 2016-07-16 06:14:18
○ 2026-06-26 17:52:10
○ 2026-06-28 11:35:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | b.registrydns.co, c.registrydns.co, d.registrydns.co, a.registrydns.co | - |
| sysctl.co | ns-1560.awsdns-03.co.uk, ns-585.awsdns-09.net, ns-1443.awsdns-52.org, ns-87.awsdns-10.com | - |
✅ Authoritative Response
Server:205.251.198.24
NS records: ns-1560.awsdns-03.co.uk, ns-585.awsdns-09.net, ns-1443.awsdns-52.org, ns-87.awsdns-10.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sysctl.co (unsigned zone)
⏱️ Timing
Total: 891ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1443.awsdns-52.org, ns-1560.awsdns-03.co.uk... |
| MX | 5 | aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)... |
| TXT | 2 | google-site-verification=REPLACE_WITH_YO, v=spf1 include:_spf.google.com ~all |
| SOA | 1 | ns-1443.awsdns-52.org awsdns-hostmaster. |
Analysis
Name Servers
sysctl.co has four authoritative name servers: ns-87.awsdns-10.com, ns-585.awsdns-09.net, ns-1443.awsdns-52.org and ns-1560.awsdns-03.co.uk.
At least some of sysctl.co's name servers are shared with other domains, for example timmcgrawdallas.com, d1xp5h2dy4l4o9.cloudfront.net, amgenpostdocs.com and two more.
It is common for these name servers to be used in conjunction with the name servers ns-999.awsdns-60.net, ns-1070.awsdns-05.org and ns-1601.awsdns-08.co.uk.
Four hostnames, each resolving to a pair of IP addresses: ns-87.awsdns-10.com directs to 205.251.192.87 and 2600:9000:5300:5700::1; ns-585.awsdns-09.net directs to 205.251.194.73 and 2600:9000:5302:4900::1; ns-1443.awsdns-52.org directs to 205.251.197.163 and 2600:9000:5305:a300::1; ns-1560.awsdns-03.co.uk directs to 205.251.198.24 and 2600:9000:5306:1800::1.
Mail Servers
sysctl.co has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
sysctl.co shares mail servers — at least in part — with other domains, including myagro.org, openmarketlending.com, veterans-first-foundation.com and two others.
These mail servers are frequently used alongside mail servers alt4.aspmx.l.google.com, alt3.aspmx.l.google.com, aspmx2.googlemail.com and 3 other.
Host names with two IP numbers:
aspmx.l.google.com directs traffic to 192.178.218.27 and 2607:f8b0:4004:c0b::1b.
alt1.aspmx.l.google.com directs traffic to 108.177.123.27 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com directs traffic to 172.253.116.26 and 2a00:1450:400b:c02::1a.
alt3.aspmx.l.google.com directs traffic to 192.178.223.26 and 2a00:1450:4009:c0f::1b.
alt4.aspmx.l.google.com directs traffic to 172.253.157.27 and 2a00:1450:400c:c23::1a.