c21.asia - robtex.com
c21.asia
| DNSSEC | ⚠️ Not signed | ||||||
| A | 35.213.151.213🇸🇬 Google35.213.128.0/18 | ||||||
| PTR | 213.151.213.35.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 | 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:c21.asia.spf.auto.dnssmarthost.net ~all | ||||||
| SOA | ns1.siteground.netadmins@siteground.com serial=40 | ||||||
asia
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.asia.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.asia.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.asia.afilias-nst.asia | ||||||
| NS | b2.asia.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | c0.asia.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.asia.afilias-nst.asia | ||||||
| SOA | a0.asia.afilias-nst.infohostmaster@donuts.email serial=1778673866 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSns1.siteground.net2026-05-05 → 2026-05-13 · 2 obs
● 2026-05-13 12:19:34
●NSns2.siteground.net2026-05-05 → 2026-05-13 · 2 obs
● 2026-05-13 12:19:34
●MXmx10.antispam.mailspamprotection.com2026-05-05 → 2026-05-13 · 2 obs
● 2026-05-13 12:19:34
●MXmx20.antispam.mailspamprotection.com2026-05-05 → 2026-05-13 · 2 obs
● 2026-05-13 12:19:34
●MXmx30.antispam.mailspamprotection.com2026-05-05 → 2026-05-13 · 2 obs
● 2026-05-13 12:19:34
●A35.213.151.2132026-05-05 → 2026-05-13 · 2 obs
● 2026-05-13 12:19:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| asia | b2.asia.afilias-nst.org, c0.asia.afilias-nst.info, d0.asia.afilias-nst.asia, a0.asia.afilias-nst.info... | 12 records |
| c21.asia | ns2.siteground.net, ns1.siteground.net | - |
✅ Authoritative Response
Server:75.2.77.104
NS records: ns2.siteground.net, ns1.siteground.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for c21.asia (unsigned zone)
⏱️ Timing
Total: 657ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 35.213.151.213 |
| NS | 2 | ns1.siteground.net, ns2.siteground.net |
| MX | 3 | mx30.antispam.mailspamprotection.com (pr, mx10.antispam.mailspamprotection.com (pr... |
| TXT | 1 | v=spf1 +a +mx include:c21.asia.spf.auto. |
| SOA | 1 | ns1.siteground.net admins.siteground.com |
📌 Glue Records Collected
Total: 12
In-bailiwick: 4 (d0.asia.afilias-nst.asia, b0.asia.afilias-nst.asia, d0.asia.afilias-nst.asia...)
Out-of-bailiwick: 8 (c0.asia.afilias-nst.info, b2.asia.afilias-nst.org, a2.asia.afilias-nst.info...)
Analysis
IP Addresses
c21.asia resolves to a single IP: 35.213.151.213.
Other host names, for instance century21.co.th, c21propertylink.com, century21bangkok.com, 213.151.213.35.bc.googleusercontent.com and c21phuket.com share IP numbers with c21.asia.
Name Servers
c21.asia has two name servers: ns1.siteground.net and ns2.siteground.net.
c21.asia shares the same name server setup as other domains, for example boilerdiscount.co.uk, giorgioeflora.it, eliteplumbingservicesaz.com, makxilia.it and chirosclinic.com.
c21.asia shares some name servers with other domains, for example do-this-prayer.org, ipadrentaldubai.com, vividceremonies.com, interautosweb.com and thesmiledentalspa.com.
These name servers are commonly used together with ns1.giowm1274.siteground.biz and ns2.giowm1274.siteground.biz.
Host names with a single IP:
ns1.siteground.net points to 75.2.77.104
ns2.siteground.net points to 99.83.229.113
Mail Servers
c21.asia is handled by three mail servers: mx10.antispam.mailspamprotection.com, mx20.antispam.mailspamprotection.com and mx30.antispam.mailspamprotection.com.
c21.asia shares some mail servers with other domains, at least partially; for instance frankrevi.com, up-northoutdoors.com, bimous.es, ventadepcs.com and paulkett.com.
Host names with a single IP: 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.