semrush.work - robtex.com
semrush.work
| DNSSEC | ⚠️ Not signed | ||||||
| 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 | mx.semrush.work ⭐ | ||||||
| A | 64.23.239.80🇺🇸 DIGITALOCEAN64.23.224.0/20 DigitalOcean | ||||||
| TXT | v=spf1 a mx ~all | ||||||
| SOA | ns1.digitalocean.comhostmaster@semrush.work serial=1775816621 | ||||||
work
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.work ⭐ | ||||||
| NS | b.nic.work | ||||||
| NS | c.nic.work | ||||||
| NS | x.nic.work | ||||||
| NS | y.nic.work | ||||||
| NS | z.nic.work | ||||||
| SOA | a.nic.workadmin@tldns.godaddy serial=1776055947 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns1.digitalocean.com2026-03-28 → 2026-04-13 · 2 obs
● 2026-04-13 05:22:40
●NSns2.digitalocean.com2026-03-28 → 2026-04-13 · 2 obs
● 2026-04-13 05:22:40
●NSns3.digitalocean.com2026-03-28 → 2026-04-13 · 2 obs
● 2026-04-13 05:22:40
●MXmx.semrush.work2026-03-28 → 2026-04-13 · 2 obs
● 2026-04-13 05:22:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| work | a.nic.work, b.nic.work, c.nic.work, x.nic.work... | - |
| semrush.work | ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com | - |
✅ Authoritative Response
Server:172.64.53.21
NS records: ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for semrush.work (unsigned zone)
⏱️ Timing
Total: 147ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns2.digitalocean.com, ns1.digitalocean.com... |
| MX | 1 | mx.semrush.work (pri: 10) |
| TXT | 1 | v=spf1 a mx ~all |
| SOA | 1 | ns1.digitalocean.com hostmaster.semrush. |
Analysis
Name Servers
semrush.work is delegated to three name servers: ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.
semrush.work at least partially shares name servers with other domains, for example christophershiner.com, renaud.it, caios.com, varelas.biz and 20.190.146.in-addr.arpa.
Host names with two IP numbers:
ns1.digitalocean.com points to 2606:4700:52::ac40:34d2 and 172.64.52.210
ns2.digitalocean.com points to 2606:4700:5a::ac40:3515 and 172.64.53.21
ns3.digitalocean.com points to 2606:4700:52::ac40:31d1 and 172.64.49.209
Mail Servers
The mx.semrush.work mail server handles semrush.work.
mx.semrush.work points to a single IP number: 64.23.239.80.