sysadmin.co - robtex.com
sysadmin.co
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns2.afternic.com ⭐ | ||||||
| A | 2603:5:2226::45🇺🇸 GODADDY-DNS2603:5:2220::/44 | ||||||
| PTR | ns2.afternic.com | ||||||
| A | 173.201.66.69🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| PTR | ns2.afternic.com | ||||||
| NS | ns1.afternic.com | ||||||
| A | 2603:5:2126::45🇺🇸 GODADDY-DNS2603:5:2120::/44 | ||||||
| PTR | ns1.afternic.com | ||||||
| A | 97.74.98.69🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| PTR | ns1.afternic.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns2.afternic.comdns@jomax.net serial=1 | ||||||
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=1759730037 | ||||||
Subdomains
Same first word
Similar names
DNS History
21 records (4 active, 17 former)
○NSbuy.internettraffic.com2016-02-11 → 2016-02-11 · 4 obs
● 2016-02-11 11:55:10
○ 2016-05-09 07:54:56
○ 2026-08-11 00:58:38
●NSns1.afternic.com2026-02-17 → 2026-08-11 · 3 obs
● 2026-02-17 02:40:30
● 2026-08-11 00:58:38
○NSns1.parkingcrew.net2015-07-17 → 2016-05-09 · 6 obs
● 2015-11-22 13:47:40
○ 2016-02-11 11:55:10
● 2016-05-09 07:54:56
○ 2017-01-10 18:16:48
○ 2026-08-11 00:58:38
○NSns1.undeveloped.com2018-05-25 → 2018-05-25 · 4 obs
● 2018-05-25 13:56:32
○ 2026-02-17 02:40:30
○ 2026-08-11 00:58:38
●NSns2.afternic.com2026-02-17 → 2026-08-11 · 3 obs
● 2026-02-17 02:40:30
● 2026-08-11 00:58:38
○NSns2.parkingcrew.net2015-07-17 → 2016-05-09 · 6 obs
● 2015-11-22 13:47:40
○ 2016-02-11 11:55:10
● 2016-05-09 07:54:56
○ 2017-01-10 18:16:48
○ 2026-08-11 00:58:38
○NSns2.undeveloped.com2018-05-25 → 2018-05-25 · 4 obs
● 2018-05-25 13:56:32
○ 2026-02-17 02:40:30
○ 2026-08-11 00:58:38
○NSsell.internettraffic.com2016-02-11 → 2016-02-11 · 4 obs
● 2016-02-11 11:55:10
○ 2016-05-09 07:54:56
○ 2026-08-11 00:58:38
○MXmail.h-email.net2015-07-17 → 2015-07-17 · 3 obs
○ 2015-11-22 13:47:40
○ 2026-08-11 00:58:38
○MXmx.sysadmin.co2018-05-25 → 2026-02-17 · 5 obs
● 2018-05-25 13:56:32
● 2026-02-17 02:40:30
○ 2026-02-21 03:20:56
○ 2026-08-11 00:58:38
●A13.248.169.482026-02-17 → 2026-08-11 · 3 obs
● 2026-02-17 02:40:30
● 2026-08-11 00:58:38
○A185.53.178.82015-07-17 → 2015-11-22 · 4 obs
● 2015-11-22 13:47:40
○ 2016-02-11 11:55:10
○ 2026-08-11 00:58:38
○A52.0.66.2272017-01-10 → 2017-01-10 · 4 obs
● 2017-01-10 18:16:48
○ 2018-05-25 13:56:32
○ 2026-08-11 00:58:38
○A52.18.157.1752016-05-09 → 2016-05-09 · 4 obs
● 2016-05-09 07:54:56
○ 2017-01-10 18:16:48
○ 2026-08-11 00:58:38
○A52.204.48.1692017-01-10 → 2017-01-10 · 4 obs
● 2017-01-10 18:16:48
○ 2018-05-25 13:56:32
○ 2026-08-11 00:58:38
○A52.22.205.2422017-01-10 → 2017-01-10 · 4 obs
● 2017-01-10 18:16:48
○ 2018-05-25 13:56:32
○ 2026-08-11 00:58:38
○A52.58.78.162018-05-25 → 2018-05-25 · 4 obs
● 2018-05-25 13:56:32
○ 2026-02-17 02:40:30
○ 2026-08-11 00:58:38
○A69.172.201.2082016-02-11 → 2016-02-11 · 4 obs
● 2016-02-11 11:55:10
○ 2016-05-09 07:54:56
○ 2026-08-11 00:58:38
●A76.223.54.1462026-02-17 → 2026-08-11 · 3 obs
● 2026-02-17 02:40:30
● 2026-08-11 00:58:38
○CNAMEpr-co-suspensions.go.co2017-01-10 → 2017-01-10 · 3 obs
○ 2018-05-25 13:56:32
○ 2026-08-11 00:58:38
○CNAMEreg-pr-web-suspensionpages-go-co-1680484254.us-east-1.elb.amazonaws.com2017-01-10 → 2017-01-10 · 3 obs
○ 2018-05-25 13:56:32
○ 2026-08-11 00:58:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | b.registrydns.co, c.registrydns.co, d.registrydns.co, a.registrydns.co | - |
| sysadmin.co | ns2.afternic.com, ns1.afternic.com | - |
✅ Authoritative Response
Server:173.201.66.69
NS records: ns2.afternic.com, ns1.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sysadmin.co (unsigned zone)
⏱️ Timing
Total: 246ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.54.146, 13.248.169.48 |
| NS | 2 | ns1.afternic.com, ns2.afternic.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns2.afternic.com dns.jomax.net |
Analysis
Hierarchy
null.sysadmin.co and mx.sysadmin.co are both subdomains of sysadmin.co.
IP Addresses
sysadmin.co points to the IP addresses 13.248.169.48 and 76.223.54.146
afsolutions.us, mistandmore.com, www.05059.com and two other host names share IP numbers with sysadmin.co.
Name Servers
Two name servers handle the delegation for sysadmin.co: ns1.afternic.com and ns2.afternic.com.
sysadmin.co uses the same name servers as several other domains — among them dogtraingforpuppies.publicsets.com, resourcebet.com, lotbuzz.com and two more.
The name servers of sysadmin.co overlap at least partially with those of other domains — among them dego.us, learnthetrades.com, nextchapterstudios.com and two more.
These name servers commonly appear alongside the name servers verification-m3erh32ujyoastvophjvuz.ns101.verify.hn and verification-hmxyughksp9ud7ytzr8krh.ns101.verify.hn.
ns1.afternic.com and ns2.afternic.com both carry two IP addresses. The A records for ns1.afternic.com are 97.74.98.69 and 2603:5:2126::45; the A records for ns2.afternic.com are 173.201.66.69 and 2603:5:2226::45.