sqrt-1.org - robtex.com
sqrt-1.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 62.138.198.152🇩🇪 PLUSSERVER-ASN162.138.192.0/20 PS-Net | ||||||
| PTR | ma2012859.psmanaged.com | ||||||
| NS | ns1.plusserver.com ⭐ | ||||||
| A | 2a02:cbf3:0:1::96🇩🇪 PLUSSERVER-ASN12a02:cbf3::/32 PlusServer GmbH | ||||||
| PTR | ns1.plusserver.com | ||||||
| A | 62.138.233.183🇩🇪 PLUSSERVER-ASN162.138.233.0/24 PS-Net | ||||||
| PTR | ns1.plusserver.com | ||||||
| NS | ns2.plusserver.com | ||||||
| A | 2a02:cbf2:0:101::8🇩🇪 PLUSSERVER-ASN12a02:cbf2::/32 PlusServer GmbH | ||||||
| PTR | ns2.plusserver.com | ||||||
| A | 62.138.201.123🇩🇪 PLUSSERVER-ASN162.138.192.0/20 PS-Net | ||||||
| PTR | ns2.plusserver.com | ||||||
| NS | ns3.plusserver.com | ||||||
| A | 2a05:d014:861:e500:60d1:94f9:5c91:829e🇩🇪 Amazon2a05:d014:800::/38 AMAZON AWS | ||||||
| A | 18.158.102.90🇩🇪 Amazon18.156.0.0/14 EC2 FRA prefix | ||||||
| PTR | ec2-18-158-102-90.eu-central-1.compute.amazonaws.com | ||||||
| MX | mail.sqrt-1.org ⭐ | ||||||
| A | 62.138.198.152🇩🇪 PLUSSERVER-ASN162.138.192.0/20 PS-Net | ||||||
| PTR | ma2012859.psmanaged.com | ||||||
| SOA | ns1.plusserver.comhostmaster@plusserver.com 2021-06-04 #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=1776926554 | ||||||
Subdomains
mail.sqrt-1.org |
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
●NSns1.plusserver.com2015-11-26 → 2026-04-23 · 3 obs
● 2015-11-26 09:10:00
● 2026-04-23 07:14:58
●NSns2.plusserver.com2015-11-26 → 2026-04-23 · 3 obs
● 2015-11-26 09:10:00
● 2026-04-23 07:14:58
●NSns3.plusserver.com2026-03-09 → 2026-04-23 · 3 obs
● 2026-03-09 16:32:54
● 2026-04-23 07:14:58
○NSns5.nameserverservice.de2015-08-11 → 2015-08-11 · 3 obs
○ 2015-11-26 09:10:00
○ 2026-04-23 07:14:58
○NSns6.nameserverservice.de2015-08-11 → 2015-08-11 · 3 obs
○ 2015-11-26 09:10:00
○ 2026-04-23 07:14:58
●MXmail.sqrt-1.org2015-08-11 → 2026-04-23 · 2 obs
● 2026-04-23 07:14:58
●A62.138.198.1522020-02-09 → 2026-04-23 · 3 obs
● 2020-02-09 03:02:00
● 2026-04-23 07:14:58
○A85.25.28.1322015-08-11 → 2017-03-17 · 4 obs
● 2017-03-17 12:16:08
○ 2020-02-09 03:02:00
○ 2026-04-23 07:14:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | d0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| sqrt-1.org | ns2.plusserver.com, ns1.plusserver.com, ns3.plusserver.com | - |
✅ Authoritative Response
Server:62.138.201.123
NS records: ns2.plusserver.com, ns1.plusserver.com, ns3.plusserver.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sqrt-1.org (unsigned zone)
⏱️ Timing
Total: 709ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 62.138.198.152 |
| NS | 3 | ns2.plusserver.com, ns1.plusserver.com... |
| MX | 1 | mail.sqrt-1.org (pri: 100) |
| SOA | 1 | ns1.plusserver.com hostmaster.plusserver |
Analysis
Hierarchy
sqrt-1.org is the parent of mail.sqrt-1.org.
IP Addresses
sqrt-1.org resolves to a single IP: 62.138.198.152.
Other host names, for instance stefaniekoseff.net, feroz.tv, mail.gallerist-handbook.com, mail.burbacher.org and mail.stefaniekoseff.net share IP numbers with sqrt-1.org.
Name Servers
sqrt-1.org delegates to three name servers: ns1.plusserver.com, ns2.plusserver.com and ns3.plusserver.com.
sqrt-1.org shares some name servers with other domains, for example viennaserver.com, hooker.at, dvtreff.de, 131.237.80.in-addr.arpa and stihl-kettenwerk.ch.
These name servers are commonly used with the name servers dn(0x736578)t.dakosy.de.
Host names with two IP numbers:
ns1.plusserver.com: 2a02:cbf3:0:1::96 and 62.138.233.183
ns2.plusserver.com: 2a02:cbf2:0:101::8 and 62.138.201.123
ns3.plusserver.com: 2a05:d014:861:e500:60d1:94f9:5c91:829e and 18.158.102.90
Mail Servers
sqrt-1.org is handled by a single mail server, mail.sqrt-1.org.
Host name mail.sqrt-1.org points to IP 62.138.198.152.