chert.sa - robtex.com
chert.sa
| DNSSEC | ⚠️ Not signed | ||||||
| A | 209.38.154.190🇺🇸 DIGITALOCEAN209.38.128.0/19 DigitalOcean | ||||||
| NS | ns1.digitalocean.com ⭐ | ||||||
| A | 2606:4700:52::ac40:34d2🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.digitalocean.com | ||||||
| A | 172.64.52.210🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.digitalocean.com | ||||||
| NS | ns2.digitalocean.com | ||||||
| A | 2606:4700:5a::ac40:3515🇺🇸 Cloudflare2606:4700:5a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.digitalocean.com | ||||||
| A | 172.64.53.21🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.digitalocean.com | ||||||
| NS | ns3.digitalocean.com | ||||||
| A | 2606:4700:52::ac40:31d1🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns3.digitalocean.com | ||||||
| A | 172.64.49.209🇺🇸 Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns3.digitalocean.com | ||||||
| MX | mail.chert.sa ⭐ | ||||||
| A | 2604:a880:4:1d0:0:1:2414:d000🇺🇸 DIGITALOCEAN2604:a880:4::/48 DigitalOcean | ||||||
| A | 64.23.254.202🇺🇸 DIGITALOCEAN64.23.240.0/20 DigitalOcean | ||||||
| PTR | mail.chert.sa | ||||||
| TXT | v=spf1 mx a:mail.chert.sa ~all | ||||||
| TXT | v=spf1 include:smtp2go.com include:mail.chert.sa ~all | ||||||
| SOA | ns1.digitalocean.comhostmaster@chert.sa serial=0 | ||||||
sa
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | c1.dns.sa ⭐ | ||||||
| NS | c2.dns.sa | ||||||
| NS | i1.dns.sa | ||||||
| NS | m1.dns.sa | ||||||
| NS | m2.dns.sa | ||||||
| NS | n1.dns.sa | ||||||
| NS | p1.dns.sa | ||||||
| NS | s1.dns.sa | ||||||
| NS | s2.dns.sa | ||||||
| NS | sh1.dns.sa | ||||||
| SOA | c1.dns.sahostmaster@nic.net.sa 2026-06-20 #8 | ||||||
Subdomains
mail.chert.sa |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.digitalocean.com2026-06-20 → 2026-06-20 · 2 obs
● 2026-06-20 05:22:34
●NSns2.digitalocean.com2026-06-20 → 2026-06-20 · 2 obs
● 2026-06-20 05:22:34
●NSns3.digitalocean.com2026-06-20 → 2026-06-20 · 2 obs
● 2026-06-20 05:22:34
●MXmail.chert.sa2026-06-20 → 2026-06-20 · 2 obs
● 2026-06-20 05:22:34
●A209.38.154.1902026-06-20 → 2026-06-20 · 2 obs
● 2026-06-20 05:22:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| sa | c1.dns.sa, c2.dns.sa, i1.dns.sa, m1.dns.sa... | 20 records |
| chert.sa | ns3.digitalocean.com, ns2.digitalocean.com, ns1.digitalocean.com | - |
✅ Authoritative Response
Server:172.64.53.21
NS records: ns3.digitalocean.com, ns2.digitalocean.com, ns1.digitalocean.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for chert.sa (unsigned zone)
⏱️ Timing
Total: 793ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 209.38.154.190 |
| NS | 3 | ns2.digitalocean.com, ns3.digitalocean.com... |
| MX | 1 | mail.chert.sa (pri: 10) |
| TXT | 2 | v=spf1 mx a:mail.chert.sa ~all, v=spf1 include:smtp2go.com include:mail. |
| SOA | 1 | ns1.digitalocean.com hostmaster.chert.sa |
📌 Glue Records Collected
Total: 20
In-bailiwick: 20 (c1.dns.sa, c2.dns.sa, i1.dns.sa...)
Analysis
Hierarchy
mail.chert.sa is a subdomain of chert.sa.
IP Addresses
chert.sa resolves to one IP address: 209.38.154.190.
Name Servers
chert.sa carries NS records delegating to ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.
The name servers of chert.sa overlap at least partially with those of other domains — among them celestefacturacion.com, apathabove.com, sabr.pl and two more.
ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com are three hostnames that each resolve to a pair of IP addresses: ns1.digitalocean.com to 172.64.52.210 and 2606:4700:52::ac40:34d2, ns2.digitalocean.com to 172.64.53.21 and 2606:4700:5a::ac40:3515, and ns3.digitalocean.com to 172.64.49.209 and 2606:4700:52::ac40:31d1.
Mail Servers
Mail for chert.sa is handled by a single mail server, mail.chert.sa.
The mail server configuration of chert.sa is identical to that of other domains — seer.sa being one example.
mail.chert.sa resolves to two IP numbers — 64.23.254.202 and 2604:a880:4:1d0:0:1:2414:d000.