21r5.com - robtex.com
21r5.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 34.174.36.188🇺🇸 Google34.174.0.0/17 | ||||||
| PTR | 188.36.174.34.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 | mx10.antispam.mailspamprotection.com ⭐ | ||||||
| A | 34.149.79.66🇺🇸 Google34.148.0.0/14 | ||||||
| PTR | 66.79.149.34.bc.googleusercontent.com | ||||||
| MX | mx20.antispam.mailspamprotection.com(20) | ||||||
| A | 34.120.156.61🇺🇸 Google34.120.0.0/14 | ||||||
| PTR | 61.156.120.34.bc.googleusercontent.com | ||||||
| MX | mx30.antispam.mailspamprotection.com(30) | ||||||
| A | 34.111.121.216🇺🇸 Google34.108.0.0/14 | ||||||
| PTR | 216.121.111.34.bc.googleusercontent.com | ||||||
| TXT | v=spf1 +a +mx include:21r5.com.spf.auto.dnssmarthost.net ~all | ||||||
| SOA | ns1.siteground.netadmins@siteground.com serial=28 | ||||||
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=1771291435 | ||||||
Same first word
21r5.com |
Similar names
DNS History
9 records (6 active, 3 former)
○NSadi.ns.cloudflare.com2018-05-14 → 2018-05-14 · 2 obs
○ 2026-03-23 20:07:42
○NSluke.ns.cloudflare.com2018-05-14 → 2018-05-14 · 2 obs
○ 2026-03-23 20:07:42
●NSns1.siteground.net2026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 20:07:42
●NSns2.siteground.net2026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 20:07:42
●MXmx10.antispam.mailspamprotection.com2026-03-23 → 2026-03-23 · 1 obs
●MXmx20.antispam.mailspamprotection.com2026-03-23 → 2026-03-23 · 1 obs
●MXmx30.antispam.mailspamprotection.com2026-03-23 → 2026-03-23 · 1 obs
●A34.174.36.1882026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 20:07:42
○A45.199.199.1212018-05-14 → 2018-05-14 · 2 obs
○ 2026-03-23 20:07:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 21r5.com | ns1.siteground.net, ns2.siteground.net | - |
✅ Authoritative Response
Server:75.2.77.104
NS records: ns1.siteground.net, ns2.siteground.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21r5.com (unsigned zone)
⏱️ Timing
Total: 253ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 34.174.36.188 |
| NS | 2 | ns1.siteground.net, ns2.siteground.net |
| MX | 3 | mx10.antispam.mailspamprotection.com (pr, mx20.antispam.mailspamprotection.com (pr... |
| TXT | 1 | v=spf1 +a +mx include:21r5.com.spf.auto. |
| SOA | 1 | ns1.siteground.net admins.siteground.com |
Analysis
IP Addresses
21r5.com points to a single IP number: 34.174.36.188.
Other host names, for instance www.csky.com, relationshipsthatwork-book.com, auinca.com, flourishcc.com and alcoholrehabtampa.com share IP numbers with 21r5.com.
Name Servers
Delegation for 21r5.com rests with two name servers, ns1.siteground.net and ns2.siteground.net.
21r5.com shares the same name server setup as other domains, including designsdivine.org, lifeswork.coach, lojix.co.uk, sbfplay777.com and kandihamble.com.
21r5.com at least partially shares name servers with other domains, for instance simonlyaanbieding-online.nl, terrantino.com, stone.com.co, bluemagic.com.ph and hypofoggers.com.
Host names with one IP number: ns1.siteground.net points to 75.2.77.104; ns2.siteground.net points to 99.83.229.113.
Mail Servers
21r5.com is handled by three mail servers: mx10.antispam.mailspamprotection.com, mx20.antispam.mailspamprotection.com and mx30.antispam.mailspamprotection.com.
21r5.com shares mail servers with other domains at least in part, for instance ringwoodengineering.com, withinmyspace.com, apiconcretecoredrilling.com, enricobrunelli.com and irisakot.com.
Host names with one IP number:
mx10.antispam.mailspamprotection.com points to 34.149.79.66.
mx20.antispam.mailspamprotection.com points to 34.120.156.61.
mx30.antispam.mailspamprotection.com points to 34.111.121.216.