erstech.com - dns.ninja
erstech.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 35.213.254.232🇦🇺 Google35.213.192.0/18 | ||||||
| PTR | 232.254.213.35.bc.googleusercontent.com | ||||||
| NS | ns1.siteground.net ⭐ | ||||||
| A | 75.2.77.104🇺🇸 Amazon75.2.64.0/20 | ||||||
| PTR | ac4b097dbd0dd6307.awsglobalaccelerator.com | ||||||
| NS | ns2.siteground.net | ||||||
| A | 99.83.229.113🇺🇸 Amazon99.83.224.0/20 | ||||||
| PTR | ac4b097dbd0dd6307.awsglobalaccelerator.com | ||||||
| MX | mxbiz1.qq.com ⭐ | ||||||
| MX | mxbiz2.qq.com(10) | ||||||
| TXT | v=spf1 include:spf.mail.qq.com ~all | ||||||
| SOA | ns1.siteground.netadmins@siteground.com serial=17 | ||||||
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=1781645935 | ||||||
Same first word
Similar names
DNS History
23 records (5 active, 18 former)
○NSaiden.ns.cloudflare.com2026-03-06 → 2026-06-16 · 2 obs
○ 2026-06-16 21:41:00
○NSgrannbo.ns.cloudflare.com2026-03-06 → 2026-06-16 · 2 obs
○ 2026-06-16 21:41:00
○NSns1.bodis.com2015-12-03 → 2017-02-18 · 5 obs
● 2015-12-03 09:21:38
● 2017-02-18 19:31:40
○ 2026-03-06 21:31:44
○ 2026-06-16 21:41:00
●NSns1.siteground.net2026-03-06 → 2026-06-16 · 3 obs
● 2026-03-06 21:31:44
● 2026-06-16 21:41:00
○NSns1.voodoo.com2015-08-09 → 2015-08-09 · 3 obs
○ 2015-12-03 09:21:38
○ 2026-06-16 21:41:00
○NSns2.bodis.com2015-12-03 → 2017-02-18 · 5 obs
● 2015-12-03 09:21:38
● 2017-02-18 19:31:40
○ 2026-03-06 21:31:44
○ 2026-06-16 21:41:00
●NSns2.siteground.net2026-03-06 → 2026-06-16 · 3 obs
● 2026-03-06 21:31:44
● 2026-06-16 21:41:00
○NSns2.voodoo.com2015-08-09 → 2015-08-09 · 3 obs
○ 2015-12-03 09:21:38
○ 2026-06-16 21:41:00
○MXmx10.antispam.mailspamprotection.com2026-03-06 → 2026-03-17 · 5 obs
● 2026-03-06 21:31:44
● 2026-03-17 13:30:34
○ 2026-03-30 11:09:14
○ 2026-06-16 21:41:00
○MXmx20.antispam.mailspamprotection.com2026-03-06 → 2026-03-17 · 5 obs
● 2026-03-06 21:31:44
● 2026-03-17 13:30:34
○ 2026-03-30 11:09:14
○ 2026-06-16 21:41:00
○MXmx30.antispam.mailspamprotection.com2026-03-06 → 2026-03-17 · 5 obs
● 2026-03-06 21:31:44
● 2026-03-17 13:30:34
○ 2026-03-30 11:09:14
○ 2026-06-16 21:41:00
○MXmx76.m2bp.com2017-02-18 → 2017-02-18 · 3 obs
○ 2026-03-06 21:31:44
○ 2026-06-16 21:41:00
○MXmx76.mb1p.com2017-02-18 → 2017-02-18 · 3 obs
○ 2026-03-06 21:31:44
○ 2026-06-16 21:41:00
●MXmxbiz1.qq.com2026-03-30 → 2026-06-16 · 4 obs
○ 2026-03-17 13:30:34
● 2026-03-30 11:09:14
● 2026-06-16 21:41:00
●MXmxbiz2.qq.com2026-03-30 → 2026-06-16 · 4 obs
○ 2026-03-17 13:30:34
● 2026-03-30 11:09:14
● 2026-06-16 21:41:00
○A188.114.96.02026-03-06 → 2026-06-16 · 2 obs
○ 2026-06-16 21:41:00
○A188.114.97.02026-03-06 → 2026-06-16 · 2 obs
○ 2026-06-16 21:41:00
○A192.64.147.1902015-08-09 → 2015-08-09 · 3 obs
○ 2015-12-03 09:21:38
○ 2026-06-16 21:41:00
○A199.59.242.1502017-02-18 → 2017-02-18 · 4 obs
● 2017-02-18 19:31:40
○ 2026-03-06 21:31:44
○ 2026-06-16 21:41:00
○A199.59.243.1202015-12-03 → 2016-07-06 · 5 obs
● 2015-12-03 09:21:38
● 2016-07-06 14:19:02
○ 2017-02-18 19:31:40
○ 2026-06-16 21:41:00
○A2a06:98c1:3120::2026-03-06 → 2026-06-16 · 2 obs
○ 2026-06-16 21:41:00
○A2a06:98c1:3121::2026-03-06 → 2026-06-16 · 2 obs
○ 2026-06-16 21:41:00
●A35.213.254.2322026-03-06 → 2026-06-16 · 3 obs
● 2026-03-06 21:31:44
● 2026-06-16 21:41:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net, d.gtld-servers.net... | - |
| erstech.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 erstech.com (unsigned zone)
⏱️ Timing
Total: 776ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 35.213.254.232 |
| NS | 2 | ns2.siteground.net, ns1.siteground.net |
| MX | 2 | mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.mail.qq.com ~all |
| SOA | 1 | ns1.siteground.net admins.siteground.com |
Analysis
IP Addresses
erstech.com points to a single IP number: 35.213.254.232.
Additional host names — mail.itiamericas.com, mail.strategicminingcomms.com, jkp.com.au and two others — share IP numbers with erstech.com.
Name Servers
erstech.com is delegated to two name servers: ns1.siteground.net and ns2.siteground.net.
erstech.com shares its name server setup with other domains, including joprof.com, arcairstreams.co.uk, fischererwin.com and two others.
There is at least partial name server overlap between erstech.com and other domains — backyard-destinations.com, decrear.com, rrd.com.ph and two more among them.
ns1.siteground.net → 75.2.77.104 and ns2.siteground.net → 99.83.229.113: one IP number per host name.
Mail Servers
erstech.com has two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.
erstech.com shares the same mail server setup as other domains, including cismef.com.cn, yikuaiqu.com, hnjh.gov.cn and two others.
erstech.com shares mail servers with at least some other domains, such as jinxinong.com, mostrix.com and siori.cn.