aco-os.com - robtex.com
aco-os.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 20.102.91.87🇺🇸 Microsoft20.64.0.0/10 | ||||||
| NS | pdns11.domaincontrol.com ⭐ | ||||||
| A | 2603:5:21f2::37🇺🇸 GODADDY-DNS2603:5:21f0::/44 | ||||||
| PTR | pdns11.domaincontrol.com | ||||||
| A | 97.74.111.55🇺🇸 GODADDY-DNS97.74.110.0/23 | ||||||
| PTR | pdns11.domaincontrol.com | ||||||
| NS | pdns12.domaincontrol.com | ||||||
| A | 2603:5:22f2::37🇺🇸 GODADDY-DNS2603:5:22f0::/44 | ||||||
| PTR | pdns12.domaincontrol.com | ||||||
| A | 173.201.79.55🇺🇸 GODADDY-DNS173.201.78.0/23 | ||||||
| PTR | pdns12.domaincontrol.com | ||||||
| MX | mx1-us.emailsecurity.app ⭐ | ||||||
| A | 40.121.188.167🇺🇸 Microsoft40.120.0.0/14 | ||||||
| PTR | mx1-us.emailsecurity.app | ||||||
| MX | mx2-us.emailsecurity.app(20) | ||||||
| A | 172.212.4.33🇬🇧 Microsoft172.208.0.0/13 | ||||||
| PTR | mx1-us.emailsecurity.app | ||||||
| TXT | v=spf1 include:spf.protection.outlook.com include:spf.scanscope.net include:s... | ||||||
| TXT | MS=ms75341975 | ||||||
| TXT | _9s17b0ed28lhuvgux6i68pl9nosa1kr | ||||||
| SOA | pdns11.domaincontrol.comdns@jomax.net 2026-02-01 #1 | ||||||
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.netnstld@verisign-grs.com serial=1776040182 | ||||||
Same first word
Similar names
DNS History
18 records (5 active, 13 former)
○NSns49.domaincontrol.com2016-12-17 → 2017-10-02 · 4 obs
● 2017-10-02 11:47:18
○ 2026-03-27 12:10:46
○ 2026-04-13 00:58:24
○NSns50.domaincontrol.com2016-12-17 → 2017-10-02 · 4 obs
● 2017-10-02 11:47:18
○ 2026-03-27 12:10:46
○ 2026-04-13 00:58:24
●NSpdns11.domaincontrol.com2026-03-27 → 2026-04-13 · 3 obs
● 2026-03-27 12:10:46
● 2026-04-13 00:58:24
●NSpdns12.domaincontrol.com2026-03-27 → 2026-04-13 · 3 obs
● 2026-03-27 12:10:46
● 2026-04-13 00:58:24
○MXmailstore1.secureserver.net2016-12-17 → 2017-10-02 · 4 obs
● 2017-10-02 11:47:18
○ 2026-03-27 12:10:46
○ 2026-04-13 00:58:24
●MXmx1-us.emailsecurity.app2026-03-27 → 2026-04-13 · 3 obs
● 2026-03-27 12:10:46
● 2026-04-13 00:58:24
●MXmx2-us.emailsecurity.app2026-03-27 → 2026-04-13 · 3 obs
● 2026-03-27 12:10:46
● 2026-04-13 00:58:24
○MXsmtp.secureserver.net2016-12-17 → 2017-10-02 · 4 obs
● 2017-10-02 11:47:18
○ 2026-03-27 12:10:46
○ 2026-04-13 00:58:24
○A184.168.221.152017-10-02 → 2017-10-02 · 4 obs
● 2017-10-02 11:47:18
○ 2026-03-27 12:10:46
○ 2026-04-13 00:58:24
○A184.168.221.192017-10-02 → 2017-10-02 · 4 obs
● 2017-10-02 11:47:18
○ 2026-03-27 12:10:46
○ 2026-04-13 00:58:24
○A184.168.221.52017-10-02 → 2017-10-02 · 4 obs
● 2017-10-02 11:47:18
○ 2026-03-27 12:10:46
○ 2026-04-13 00:58:24
●A20.102.91.872026-03-27 → 2026-04-13 · 3 obs
● 2026-03-27 12:10:46
● 2026-04-13 00:58:24
○A50.63.202.172017-10-02 → 2017-10-02 · 4 obs
● 2017-10-02 11:47:18
○ 2026-03-27 12:10:46
○ 2026-04-13 00:58:24
○A50.63.202.182017-10-02 → 2017-10-02 · 4 obs
● 2017-10-02 11:47:18
○ 2026-03-27 12:10:46
○ 2026-04-13 00:58:24
○A50.63.202.22017-10-02 → 2017-10-02 · 4 obs
● 2017-10-02 11:47:18
○ 2026-03-27 12:10:46
○ 2026-04-13 00:58:24
○A50.63.202.392016-12-17 → 2016-12-17 · 3 obs
○ 2017-10-02 11:47:18
○ 2026-04-13 00:58:24
○A50.63.202.72017-10-02 → 2017-10-02 · 4 obs
● 2017-10-02 11:47:18
○ 2026-03-27 12:10:46
○ 2026-04-13 00:58:24
○A50.63.202.92017-10-02 → 2017-10-02 · 4 obs
● 2017-10-02 11:47:18
○ 2026-03-27 12:10:46
○ 2026-04-13 00:58:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net, i.gtld-servers.net... | - |
| aco-os.com | pdns11.domaincontrol.com, pdns12.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.79.55
NS records: pdns11.domaincontrol.com, pdns12.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for aco-os.com (unsigned zone)
⏱️ Timing
Total: 350ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 20.102.91.87 |
| NS | 2 | pdns11.domaincontrol.com, pdns12.domaincontrol.com |
| MX | 2 | mx1-us.emailsecurity.app (pri: 10), mx2-us.emailsecurity.app (pri: 20) |
| TXT | 3 | v=spf1 include:spf.protection.outlook.co, MS=ms75341975... |
| SOA | 1 | pdns11.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (pdns11.domaincontrol.com, pdns11.domaincontrol.com, pdns12.domaincontrol.com...)
Analysis
IP Addresses
aco-os.com points to a single IP: 20.102.91.87.
Name Servers
aco-os.com's delegation is to two name servers pdns11.domaincontrol.com and pdns12.domaincontrol.com.
aco-os.com shares the same name server configuration as other domains, such as stillmotion.org, thesevetscare.com, deweimarketing.com, peeqmedia.com and aacorp.net.
aco-os.com shares name servers with other domains at least partially, for example cookietables.com.
Host names with two IP numbers: pdns11.domaincontrol.com points to 2603:5:21f2::37 and 97.74.111.55; pdns12.domaincontrol.com points to 2603:5:22f2::37 and 173.201.79.55
Mail Servers
Two mail servers mx1-us.emailsecurity.app and mx2-us.emailsecurity.app handle aco-os.com.
aco-os.com uses the same mail server setup as other domains such as familydentalgroup.net, springstax.com, 41nc.com, lakehomes.com and pinecc.com.
aco-os.com shares some mail servers with other domains, including bdo.my, licuadoragroup.com, gestum.com.mx, ykws.ca and completehomecarepa.com.
Host names with a single IP:
mx1-us.emailsecurity.app resolves to 40.121.188.167.
mx2-us.emailsecurity.app resolves to 172.212.4.33.