sergdev.com - robtex.com
sergdev.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 154.89.237.36 | ||||||
| NS | ns1.julydns.com ⭐ | ||||||
| A | 101.37.78.254🇨🇳 Alibaba-Cloud101.37.0.0/17 | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.julydns.com | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | ns1.julydns.commaster@jmdns.com serial=1788341669 | ||||||
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=1794470196 | ||||||
Subdomains
mail.sergdev.com |
Same first word
Similar names
DNS History
7 records (3 active, 4 former)
●NSns1.julydns.com2026-09-01 → 2026-11-12 · 3 obs
○ 2017-05-07 17:06:42
● 2026-09-01 15:02:42
● 2026-11-12 08:04:32
● 2026-09-01 15:02:42
● 2026-11-12 08:04:32
●NSns2.julydns.com2026-09-01 → 2026-11-12 · 3 obs
○ 2017-05-07 17:06:42
● 2026-09-01 15:02:42
● 2026-11-12 08:04:32
● 2026-09-01 15:02:42
● 2026-11-12 08:04:32
○NSns8533.hostgator.com2017-05-07 → 2017-05-07 · 3 obs
● 2017-05-07 17:06:42
○ 2026-09-01 15:02:42
○ 2026-11-12 08:04:32
○ 2026-09-01 15:02:42
○ 2026-11-12 08:04:32
○NSns8534.hostgator.com2017-05-07 → 2017-05-07 · 3 obs
● 2017-05-07 17:06:42
○ 2026-09-01 15:02:42
○ 2026-11-12 08:04:32
○ 2026-09-01 15:02:42
○ 2026-11-12 08:04:32
○MXmail.sergdev.com2017-05-07 → 2017-05-07 · 3 obs
● 2017-05-07 17:06:42
○ 2026-09-01 15:02:42
○ 2026-11-12 08:04:32
○ 2026-09-01 15:02:42
○ 2026-11-12 08:04:32
○A108.167.172.1842017-05-07 → 2017-05-07 · 3 obs
● 2017-05-07 17:06:42
○ 2026-09-01 15:02:42
○ 2026-11-12 08:04:32
○ 2026-09-01 15:02:42
○ 2026-11-12 08:04:32
●A154.89.237.362026-09-30 → 2026-11-12 · 3 obs
○ 2026-09-01 15:02:42
● 2026-09-30 15:49:38
● 2026-11-12 08:04:32
● 2026-09-30 15:49:38
● 2026-11-12 08:04:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| sergdev.com | ns1.julydns.com, ns2.julydns.com | 2 records |
✅ Authoritative Response
Server:162.159.48.223
NS records: ns1.julydns.com, ns2.julydns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sergdev.com (unsigned zone)
⏱️ Timing
Total: 565ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 154.89.237.36 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.julydns.com, ns2.julydns.com)
Analysis
Hierarchy
sergdev.com serves as the parent of mail.sergdev.com.
IP Addresses
sergdev.com resolves to one IP address: 154.89.237.36.
Name Servers
sergdev.com is delegated to two name servers: ns1.julydns.com and ns2.julydns.com.
Hostnames that resolve to two IP addresses:
ns1.julydns.com points to 101.37.78.254 and 162.159.48.223.
Hosts with just one IP address:
ns2.julydns.com points to 162.159.27.251.