sin21.org - robtex.com
sin21.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 65.181.111.128🇬🇧 WHG-USE165.181.111.0/24 | ||||||
| PTR | s1023.use1.mysecurecloudhost.com | ||||||
| NS | ns1.mysecurecloudhost.com ⭐ | ||||||
| A | 13.248.158.180🇺🇸 Amazon13.248.144.0/20 | ||||||
| PTR | a79764cc55c0ac9c0.awsglobalaccelerator.com | ||||||
| NS | ns2.mysecurecloudhost.com | ||||||
| A | 75.2.118.134🇺🇸 Amazon75.2.112.0/20 | ||||||
| PTR | abc65dd9a44b5332f.awsglobalaccelerator.com | ||||||
| NS | ns3.mysecurecloudhost.com | ||||||
| A | 76.223.26.245🇺🇸 Amazon76.223.16.0/20 | ||||||
| PTR | a79764cc55c0ac9c0.awsglobalaccelerator.com | ||||||
| NS | ns4.mysecurecloudhost.com | ||||||
| A | 99.83.147.209🇺🇸 Amazon99.83.144.0/20 | ||||||
| PTR | abc65dd9a44b5332f.awsglobalaccelerator.com | ||||||
| MX | sin21.org ⭐ | ||||||
| A | 65.181.111.128🇬🇧 WHG-USE165.181.111.0/24 | ||||||
| PTR | s1023.use1.mysecurecloudhost.com | ||||||
| TXT | v=spf1 +mx +a +ip4:65.181.111.128 +include:spf.mysecurecloudhost.com ~all | ||||||
| TXT | v=DMARC1; p=none; | ||||||
| SOA | ns1.mysecurecloudhost.comservers@mysecurecloudhost.com 2026-05-08 #1 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1782061332 | ||||||
MX for
sin21.org |
Subdomains
mail.sin21.org |
Same first word
sin21.org |
Similar names
DNS History
18 records (6 active, 12 former)
○NSns.mainnameserver.com2015-12-20 → 2017-01-13 · 5 obs
● 2015-12-20 04:50:30
● 2017-01-13 08:06:14
○ 2017-08-09 09:17:00
○ 2026-06-21 17:27:58
○NSns1.fansitehost.com2017-08-09 → 2017-08-09 · 4 obs
● 2017-08-09 09:17:00
○ 2026-06-04 20:14:36
○ 2026-06-21 17:27:58
●NSns1.mysecurecloudhost.com2026-06-04 → 2026-06-21 · 3 obs
● 2026-06-04 20:14:36
● 2026-06-21 17:27:58
○NSns1477.hostgator.com2015-08-19 → 2015-09-05 · 4 obs
● 2015-09-05 21:28:40
○ 2015-12-20 04:50:30
○ 2026-06-21 17:27:58
○NSns1478.hostgator.com2015-08-19 → 2015-09-05 · 4 obs
● 2015-09-05 21:28:40
○ 2015-12-20 04:50:30
○ 2026-06-21 17:27:58
○NSns2.fansitehost.com2017-08-09 → 2017-08-09 · 4 obs
● 2017-08-09 09:17:00
○ 2026-06-04 20:14:36
○ 2026-06-21 17:27:58
○NSns2.mainnameserver.com2015-12-20 → 2017-01-13 · 5 obs
● 2015-12-20 04:50:30
● 2017-01-13 08:06:14
○ 2017-08-09 09:17:00
○ 2026-06-21 17:27:58
●NSns2.mysecurecloudhost.com2026-06-04 → 2026-06-21 · 3 obs
● 2026-06-04 20:14:36
● 2026-06-21 17:27:58
○NSns3.fansitehost.com2017-08-09 → 2017-08-09 · 4 obs
● 2017-08-09 09:17:00
○ 2026-06-04 20:14:36
○ 2026-06-21 17:27:58
●NSns3.mysecurecloudhost.com2026-06-04 → 2026-06-21 · 3 obs
● 2026-06-04 20:14:36
● 2026-06-21 17:27:58
●NSns4.mysecurecloudhost.com2026-06-04 → 2026-06-21 · 3 obs
● 2026-06-04 20:14:36
● 2026-06-21 17:27:58
○NSns6351.hostgator.com2015-08-19 → 2015-09-05 · 4 obs
● 2015-09-05 21:28:40
○ 2015-12-20 04:50:30
○ 2026-06-21 17:27:58
○MXmail.sin21.org2015-12-20 → 2017-01-13 · 5 obs
● 2015-12-20 04:50:30
● 2017-01-13 08:06:14
○ 2017-08-09 09:17:00
○ 2026-06-21 17:27:58
●MXsin21.org2015-08-19 → 2026-06-21 · 6 obs
● 2015-09-05 21:28:40
○ 2015-12-20 04:50:30
○ 2017-01-13 08:06:14
● 2017-08-09 09:17:00
● 2026-06-21 17:27:58
○A192.254.188.642015-08-19 → 2015-09-05 · 4 obs
● 2015-09-05 21:28:40
○ 2015-12-20 04:50:30
○ 2026-06-21 17:27:58
●A65.181.111.1282026-06-04 → 2026-06-21 · 3 obs
● 2026-06-04 20:14:36
● 2026-06-21 17:27:58
○A69.65.12.602017-08-09 → 2017-08-09 · 4 obs
● 2017-08-09 09:17:00
○ 2026-06-04 20:14:36
○ 2026-06-21 17:27:58
○A79.170.44.752015-12-20 → 2017-01-13 · 5 obs
● 2015-12-20 04:50:30
● 2017-01-13 08:06:14
○ 2017-08-09 09:17:00
○ 2026-06-21 17:27:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| sin21.org | ns2.mysecurecloudhost.com, ns4.mysecurecloudhost.com, ns1.mysecurecloudhost.com, ns3.mysecurecloudhost.com | - |
✅ Authoritative Response
Server:13.248.158.180
NS records: ns2.mysecurecloudhost.com, ns4.mysecurecloudhost.com, ns1.mysecurecloudhost.com, ns3.mysecurecloudhost.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sin21.org (unsigned zone)
⏱️ Timing
Total: 227ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 65.181.111.128 |
| NS | 4 | ns3.mysecurecloudhost.com, ns2.mysecurecloudhost.com... |
| MX | 1 | sin21.org (pri: 0) |
| TXT | 2 | v=spf1 +mx +a +ip4:65.181.111.128 +inclu, v=DMARC1; p=none; |
| SOA | 1 | ns1.mysecurecloudhost.com servers.mysecu |
Analysis
Hierarchy
mail.sin21.org is a subdomain of sin21.org.
Mail Server Role
sin21.org is listed as a mail server for itself.
IP Addresses
sin21.org resolves to one IP address: 65.181.111.128.
hosthive.com.mx, afriishop.com, dining-offers.com and two other host names share IP numbers with sin21.org.
Name Servers
The authoritative name servers for sin21.org are ns1.mysecurecloudhost.com, ns2.mysecurecloudhost.com, ns3.mysecurecloudhost.com and ns4.mysecurecloudhost.com.
The name servers of sin21.org overlap at least partially with those of other domains — among them millimol.com, msaas.com.sg, gatewayinfodubai.com and two more.
These name servers commonly appear in delegations together with ns1.supercp.com, ns2.supercp.com, ns3.supercp.com and 5 other.
Each of the four hosts ns1.mysecurecloudhost.com, ns2.mysecurecloudhost.com, ns3.mysecurecloudhost.com and ns4.mysecurecloudhost.com points to a single IP address — ns1.mysecurecloudhost.com points to 13.248.158.180, ns2.mysecurecloudhost.com points to 75.2.118.134, ns3.mysecurecloudhost.com points to 76.223.26.245 and ns4.mysecurecloudhost.com points to 99.83.147.209.
Mail Servers
Mail for sin21.org is handled by one mail server — sin21.org.
sin21.org resolves to a single IP number: 65.181.111.128.