gextend.net - robtex.com
gextend.net
net
| 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=1774414317 | ||||||
Subdomains
mail.gextend.net |
Same first word
gextend.net |
DNS History
10 records (6 active, 4 former)
●NSns-cloud-e1.googledomains.com2018-08-19 → 2026-03-25 · 3 obs
● 2018-08-19 15:44:44
● 2026-03-25 05:12:38
●NSns-cloud-e2.googledomains.com2018-08-19 → 2026-03-25 · 3 obs
● 2018-08-19 15:44:44
● 2026-03-25 05:12:38
●NSns-cloud-e3.googledomains.com2018-08-19 → 2026-03-25 · 3 obs
● 2018-08-19 15:44:44
● 2026-03-25 05:12:38
●NSns-cloud-e4.googledomains.com2018-08-19 → 2026-03-25 · 3 obs
● 2018-08-19 15:44:44
● 2026-03-25 05:12:38
○NSns.viettelidc.com.vn2017-01-03 → 2017-01-03 · 3 obs
○ 2018-08-19 15:44:44
○ 2026-03-25 05:12:38
○NSns1.viettelidc.com.vn2017-01-03 → 2017-01-03 · 3 obs
○ 2018-08-19 15:44:44
○ 2026-03-25 05:12:38
○NSns2.viettelidc.com.vn2017-01-03 → 2017-01-03 · 3 obs
○ 2018-08-19 15:44:44
○ 2026-03-25 05:12:38
○MXmail.gextend.net2017-01-03 → 2017-01-03 · 3 obs
○ 2018-08-19 15:44:44
○ 2026-03-25 05:12:38
●MXmx.viettelidc.com.vn2018-08-19 → 2026-03-25 · 3 obs
● 2018-08-19 15:44:44
● 2026-03-25 05:12:38
●A125.212.252.1382017-01-03 → 2026-03-25 · 2 obs
● 2026-03-25 05:12:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net... | - |
| gextend.net | ns-cloud-e1.googledomains.com, ns-cloud-e2.googledomains.com, ns-cloud-e3.googledomains.com, ns-cloud-e4.googledomains.com | - |
✅ Authoritative Response
Server:216.239.38.110
NS records: ns-cloud-e1.googledomains.com, ns-cloud-e2.googledomains.com, ns-cloud-e3.googledomains.com, ns-cloud-e4.googledomains.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 465ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 125.212.252.138 |
| NS | 4 | ns-cloud-e4.googledomains.com, ns-cloud-e3.googledomains.com... |
| MX | 1 | mx.viettelidc.com.vn (pri: 10) |
| TXT | 1 | v=spf1 ip4:103.1.208.0/24 a mx -all |
| SOA | 1 | ns-cloud-e1.googledomains.com cloud-dns- |
Analysis
Hierarchy
gextend.net is the parent of mail.gextend.net.
IP Addresses
gextend.net resolves to a single IP: 125.212.252.138.
Name Servers
gextend.net is delegated to four name servers: ns-cloud-e1.googledomains.com, ns-cloud-e2.googledomains.com, ns-cloud-e3.googledomains.com and ns-cloud-e4.googledomains.com.
gextend.net shares some name servers with other domains, for example czxmail.com, acta(0x736578)pres.com, cryptoinvoice.app, thianhak.com and me-tu.com.
Host names with two IP numbers
Two IPs per host:
ns-cloud-e1.googledomains.com points to 2001:4860:4802:32::6e and 216.239.32.110
ns-cloud-e2.googledomains.com points to 2001:4860:4802:34::6e and 216.239.34.110
ns-cloud-e3.googledomains.com points to 2001:4860:4802:36::6e and 216.239.36.110
ns-cloud-e4.googledomains.com points to 2001:4860:4802:38::6e and 216.239.38.110
Mail Servers
gextend.net is handled by a single mail server, mx.viettelidc.com.vn.
gextend.net shares the mail server setup with other domains, for example benhvien175.vn, vinaseed.com.vn, atasia.vn, cmi.vn and viethome.net.vn.
gextend.net shares mail servers with other domains at least partially, for example haprogroup.vn, vnhs.vn, luckylight.vn and idccenter.gov.vn.
mx.viettelidc.com.vn resolves to two IPs: 103.1.208.155 and 103.1.208.156.