mx.sysadmin.co - robtex.com
mx.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 | ns1.afternic.com ⭐ ⚠️ Not in parent delegation | ||||||
| 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 | ||||||
| NS | ns2.afternic.com ⚠️ Not in parent delegation | ||||||
| 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 | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1.afternic.comdns@jomax.net serial=1 | ||||||
sysadmin.co
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns2.afternic.com ⭐ | ||||||
| NS | ns1.afternic.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns2.afternic.comdns@jomax.net serial=1 | ||||||
Previously MX for
Subdomains
mx.mx.sysadmin.co |
Same first word
Similar names
xm.world |
xm.lt |
xm.com.ua |
xm.ru |
xm.de |
xm.cl |
xm.sk |
xm.se |
xm.hu |
xm.com.co |
xm.africa |
xm.fi |
xm.is |
xm.am |
xm.money |
xm.be |
xm.cz |
xm.hk.cn |
xm.fj.cn |
xm.pl |
xm.vn.ua |
xm.house |
xm.mk |
xm.com |
DNS History
10 records (4 active, 6 former)
●NSns1.afternic.com2026-02-17 → 2026-03-29 · 3 obs
● 2026-02-17 02:40:30
● 2026-03-29 01:38:52
○NSns1.parkingcrew.net2018-05-25 → 2018-05-25 · 3 obs
○ 2026-02-17 02:40:30
○ 2026-03-29 01:38:52
○NSns1.undeveloped.com2018-05-25 → 2018-05-25 · 3 obs
○ 2026-02-17 02:40:30
○ 2026-03-29 01:38:52
●NSns2.afternic.com2026-02-17 → 2026-03-29 · 3 obs
● 2026-02-17 02:40:30
● 2026-03-29 01:38:52
○NSns2.parkingcrew.net2018-05-25 → 2018-05-25 · 3 obs
○ 2026-02-17 02:40:30
○ 2026-03-29 01:38:52
○NSns2.undeveloped.com2018-05-25 → 2018-05-25 · 3 obs
○ 2026-02-17 02:40:30
○ 2026-03-29 01:38:52
○MXmx.mx.sysadmin.co2018-05-25 → 2026-02-17 · 4 obs
● 2026-02-17 02:40:30
○ 2026-02-23 07:54:50
○ 2026-03-29 01:38:52
●A13.248.169.482026-02-17 → 2026-03-29 · 3 obs
● 2026-02-17 02:40:30
● 2026-03-29 01:38:52
○A52.58.78.162018-05-25 → 2018-05-25 · 3 obs
○ 2026-02-17 02:40:30
○ 2026-03-29 01:38:52
●A76.223.54.1462026-02-17 → 2026-03-29 · 3 obs
● 2026-02-17 02:40:30
● 2026-03-29 01:38:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co | - |
| sysadmin.co | ns1.afternic.com, ns2.afternic.com | - |
✅ Authoritative Response
Server:97.74.98.69
NS records: ns1.afternic.com, ns2.afternic.com
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at co: Error: DNS query timeout: 194.169.218.57 for DNSKEY co
⏱️ Timing
Total: 3091ms | 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 | ns1.afternic.com dns.jomax.net |
Analysis
Hierarchy
mx.sysadmin.co is the parent of mx.mx.sysadmin.co.
IP Addresses
mx.sysadmin.co resolves to two IP numbers: 13.248.169.48 and 76.223.54.146.
other host names including mail.ithelpdesk.net, balacar.com, ns3.sagus.com, textsecure.com and slides.net share IP numbers with mx.sysadmin.co.
Name Servers
mx.sysadmin.co is delegated to two name servers ns1.afternic.com and ns2.afternic.com.
mx.sysadmin.co shares the same name server setup as other domains, for instance host-203-187-104-137.ip.kbtelecom.net, wificu.com, www.mediafinland.com, millenniumplace.com and gelbeautynails.publicsets.com.
mx.sysadmin.co at least partially shares name servers with other domains, for instance redbusprimarydns.globalseaway.com, coachdev.com, lvjoy.com, connectinfo.net and intexsystem.com.
These name servers are commonly used alongside verification-ma5paqvqbfktbubzbdsvzb.ns101.verify.hn and ns1.sedoparking.com.
Host names with two IP numbers:
The host name ns1.afternic.com points to 2603:5:2126::45 and 97.74.98.69; the host name ns2.afternic.com points to 2603:5:2226::45 and 173.201.66.69.