591cert.com - robtex.com
591cert.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=1781888760 | ||||||
Same first word
DNS History
14 records (6 active, 8 former)
○NSdns1.registrar-servers.com2018-05-12 → 2018-05-12 · 3 obs
○ 2026-05-18 09:11:00
○ 2026-06-19 17:17:20
○NSdns2.registrar-servers.com2018-05-12 → 2018-05-12 · 3 obs
○ 2026-05-18 09:11:00
○ 2026-06-19 17:17:20
●NSns1.siteground.net2026-05-18 → 2026-06-19 · 3 obs
● 2026-05-18 09:11:00
● 2026-06-19 17:17:20
●NSns2.siteground.net2026-05-18 → 2026-06-19 · 3 obs
● 2026-05-18 09:11:00
● 2026-06-19 17:17:20
○MXeforward1.registrar-servers.com2018-05-12 → 2018-05-12 · 3 obs
○ 2026-05-18 09:11:00
○ 2026-06-19 17:17:20
○MXeforward2.registrar-servers.com2018-05-12 → 2018-05-12 · 3 obs
○ 2026-05-18 09:11:00
○ 2026-06-19 17:17:20
○MXeforward3.registrar-servers.com2018-05-12 → 2018-05-12 · 3 obs
○ 2026-05-18 09:11:00
○ 2026-06-19 17:17:20
○MXeforward4.registrar-servers.com2018-05-12 → 2018-05-12 · 3 obs
○ 2026-05-18 09:11:00
○ 2026-06-19 17:17:20
○MXeforward5.registrar-servers.com2018-05-12 → 2018-05-12 · 3 obs
○ 2026-05-18 09:11:00
○ 2026-06-19 17:17:20
●MXmail.protonmail.ch2026-05-18 → 2026-06-19 · 3 obs
● 2026-05-18 09:11:00
● 2026-06-19 17:17:20
●MXmailsec.protonmail.ch2026-05-18 → 2026-06-19 · 3 obs
● 2026-05-18 09:11:00
● 2026-06-19 17:17:20
●MXmx.ym.163.com2026-05-18 → 2026-06-19 · 3 obs
● 2026-05-18 09:11:00
● 2026-06-19 17:17:20
○A162.255.119.1502018-05-12 → 2018-05-12 · 3 obs
○ 2026-05-18 09:11:00
○ 2026-06-19 17:17:20
●A34.2.145.492026-05-18 → 2026-06-19 · 3 obs
● 2026-05-18 09:11:00
● 2026-06-19 17:17:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| 591cert.com | ns1.siteground.net, ns2.siteground.net | - |
✅ Authoritative Response
Server:99.83.229.113
NS records: ns1.siteground.net, ns2.siteground.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 591cert.com (unsigned zone)
⏱️ Timing
Total: 315ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 34.2.145.49 |
| NS | 2 | ns2.siteground.net, ns1.siteground.net |
| MX | 3 | mx.ym.163.com (pri: 10), mail.protonmail.ch (pri: 8)... |
| TXT | 3 | protonmail-verification=014fc5827d50a58a, google-site-verification=BIdxBrBZ2Ipev-A... |
| SOA | 1 | ns1.siteground.net root.siteground.net |
Analysis
IP Addresses
591cert.com directs to one IP number, which is 34.2.145.49.
Other hosts including www.591lab.com, 591lab.com and 49.145.2.34.bc.googleusercontent.com share IP addresses with 591cert.com.
Name Servers
591cert.com is served by two delegated name servers, ns1.siteground.net and ns2.siteground.net.
591cert.com has the same name server delegation as a number of other domains, such as gilp.it, 009studio.com, vgsdesigns.com and two more.
The name servers of 591cert.com overlap at least partially with those of other domains — among them macintoshhowto.com, gcuniforms.com.au, vars.at and two more.
Both ns1.siteground.net and ns2.siteground.net have a single IP address each — ns1.siteground.net resolves to 75.2.77.104 while ns2.siteground.net resolves to 99.83.229.113.
Mail Servers
Mail for 591cert.com is routed through three mail servers — mail.protonmail.ch, mailsec.protonmail.ch and mx.ym.163.com.
591cert.com shares at least some of its mail servers with other domains — for example simmovate.com, captivatingmediagroup.com, laibobio.com and two more.
Hosts with three IP address records:
mail.protonmail.ch resolves to three addresses: 176.119.200.128, 185.70.42.128 and 185.205.70.128.
mailsec.protonmail.ch resolves to three addresses: 176.119.200.129, 185.70.42.129 and 185.205.70.129.
Hosts that resolve to one IP address:
mx.ym.163.com points to the IP address 111.124.200.35.