mark4os.com - robtex.com
mark4os.com
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=1771291435 | ||||||
Subdomains
mail.mark4os.com |
Same first word
DNS History
13 records (6 active, 7 former)
○NSns01.atlanticbb.net2015-07-25 → 2017-02-16 · 4 obs
● 2017-02-16 16:49:58
○ 2019-12-24 10:46:44
○ 2026-03-23 14:00:32
○NSns02.atlanticbb.net2015-07-25 → 2017-02-16 · 4 obs
● 2017-02-16 16:49:58
○ 2019-12-24 10:46:44
○ 2026-03-23 14:00:32
●NSns1-03.azure-dns.com2026-03-23 → 2026-03-23 · 3 obs
● 2026-03-23 14:00:30
● 2026-03-23 14:00:32
○NSns1.p06.dynect.net2019-12-24 → 2019-12-24 · 4 obs
● 2019-12-24 10:46:44
○ 2026-03-23 14:00:30
○ 2026-03-23 14:00:32
●NSns2-03.azure-dns.net2026-03-23 → 2026-03-23 · 3 obs
● 2026-03-23 14:00:30
● 2026-03-23 14:00:32
○NSns2.p06.dynect.net2019-12-24 → 2019-12-24 · 4 obs
● 2019-12-24 10:46:44
○ 2026-03-23 14:00:30
○ 2026-03-23 14:00:32
●NSns3-03.azure-dns.org2026-03-23 → 2026-03-23 · 3 obs
● 2026-03-23 14:00:30
● 2026-03-23 14:00:32
○NSns3.p06.dynect.net2019-12-24 → 2019-12-24 · 4 obs
● 2019-12-24 10:46:44
○ 2026-03-23 14:00:30
○ 2026-03-23 14:00:32
●NSns4-03.azure-dns.info2026-03-23 → 2026-03-23 · 3 obs
● 2026-03-23 14:00:30
● 2026-03-23 14:00:32
○NSns4.p06.dynect.net2019-12-24 → 2019-12-24 · 4 obs
● 2019-12-24 10:46:44
○ 2026-03-23 14:00:30
○ 2026-03-23 14:00:32
●MXmail.mark4os.com2015-07-25 → 2026-03-23 · 2 obs
● 2026-03-23 14:00:32
○A173.236.115.782015-07-25 → 2017-02-16 · 4 obs
● 2017-02-16 16:49:58
○ 2019-12-24 10:46:44
○ 2026-03-23 14:00:32
●A67.208.184.1702019-12-24 → 2026-03-23 · 3 obs
● 2019-12-24 10:46:44
● 2026-03-23 14:00:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| mark4os.com | ns1-03.azure-dns.com, ns2-03.azure-dns.net, ns3-03.azure-dns.org, ns4-03.azure-dns.info | 2 records |
✅ Authoritative Response
Server:204.14.183.3
NS records: ns1-03.azure-dns.com, ns2-03.azure-dns.net, ns3-03.azure-dns.org, ns4-03.azure-dns.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mark4os.com (unsigned zone)
⏱️ Timing
Total: 2004ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 67.208.184.170 |
| NS | 4 | ns1-03.azure-dns.com, ns2-03.azure-dns.net... |
| MX | 1 | mail.mark4os.com (pri: 5) |
| SOA | 1 | ns1-03.azure-dns.com azuredns-hostmaster |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1-03.azure-dns.com, ns1-03.azure-dns.com)
Analysis
Hierarchy
The parent of mail.mark4os.com is mark4os.com.
IP Addresses
mark4os.com points to a single IP: 67.208.184.170.
Name Servers
mark4os.com's delegation is handled by four name servers: ns1-03.azure-dns.com, ns4-03.azure-dns.info, ns2-03.azure-dns.net and ns3-03.azure-dns.org.
mark4os.com partially shares name servers with other domains; examples include decisionenginebites.com, microsoftskype.org, bingsou.cn, xboxseriesa.fr and crushfield.com.
Host names with two IPs:
ns1-03.azure-dns.com points to 2603:1061:0:700::3 and 13.107.236.3
ns4-03.azure-dns.info points to 2620:1ec:bda:700::3 and 208.84.5.3
ns2-03.azure-dns.net points to 2620:1ec:8ec:700::3 and 150.171.21.3
ns3-03.azure-dns.org points to 2a01:111:4000:700::3 and 204.14.183.3
Mail Servers
mark4os.com is handled by a single mail server, mail.mark4os.com.
mail.mark4os.com points to a single IP: 67.208.184.42.