calphad.org - robtex.com
calphad.org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 145.131.3.101🇳🇱 CLDIN-NL145.131.0.0/20 | ||||||
| PTR | server1.andoraconsulting.com | ||||||
| NS | ns1.argewebhosting.eu ⭐ | ||||||
| A | 2a05:1500:702:0:1c00:eff:fe00:ce🇳🇱 CLDIN-NL2a05:1500::/29 | ||||||
| PTR | ns1.argewebhosting.eu | ||||||
| A | 31.25.98.210🇳🇱 CLDIN-NL31.25.96.0/21 PCextreme B.V. | ||||||
| PTR | ns1.argewebhosting.eu | ||||||
| NS | ns2.argewebhosting.com | ||||||
| A | 2a05:1500:702:0:1c00:13ff:fe00:a5🇳🇱 CLDIN-NL2a05:1500::/29 | ||||||
| PTR | ns2.argewebhosting.com | ||||||
| A | 31.25.98.169🇳🇱 CLDIN-NL31.25.96.0/21 PCextreme B.V. | ||||||
| PTR | ns2.argewebhosting.com | ||||||
| NS | ns3.argewebhosting.nl | ||||||
| A | 2a05:1500:600:7:1c00:55ff:fe00:f1a🇳🇱 CLDIN-NL2a05:1500:600::/40 PCextreme B.V. - Amsterdam (ams02) | ||||||
| PTR | ns3.argewebhosting.nl | ||||||
| A | 92.63.168.137🇳🇱 CLDIN-NL92.63.168.0/21 PCextreme IPv4 Route | ||||||
| PTR | ns3.argewebhosting.nl | ||||||
| MX | mail.calphad.org ⭐ | ||||||
| A | 145.131.3.101🇳🇱 CLDIN-NL145.131.0.0/20 | ||||||
| PTR | server1.andoraconsulting.com | ||||||
| TXT | v=spf1 ip4:145.131.3.101 include:andoraconsulting.com ~all | ||||||
| SOA | ns1.argewebhosting.euhostmaster@argeweb.nl 2026-01-21 #8 | ||||||
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=1776139831 | ||||||
Subdomains
www.calphad.org |
Same first word
Similar names
alphacd.com |
dhlacpa.net |
chalpad.in |
alphadc.org |
dhlacpa.com |
alphadc.ge |
dahlcpa.com |
alphacd.com.br |
dcalpha.com |
alphadc.com.au |
alphadc.net |
alphadc.com |
DNS History
10 records (5 active, 5 former)
○NSns0.aitcom.net2015-07-02 → 2017-03-22 · 3 obs
● 2017-03-22 18:28:04
○ 2026-04-14 04:20:20
○NSns1.aitcom.net2015-07-02 → 2017-03-22 · 3 obs
● 2017-03-22 18:28:04
○ 2026-04-14 04:20:20
●NSns1.argewebhosting.eu2026-04-14 → 2026-04-14 · 2 obs
● 2026-04-14 04:20:20
○NSns2.aitcom.net2015-07-02 → 2017-03-22 · 3 obs
● 2017-03-22 18:28:04
○ 2026-04-14 04:20:20
●NSns2.argewebhosting.com2026-04-14 → 2026-04-14 · 2 obs
● 2026-04-14 04:20:20
●NSns3.argewebhosting.nl2026-04-14 → 2026-04-14 · 2 obs
● 2026-04-14 04:20:20
●MXmail.calphad.org2015-07-02 → 2026-04-14 · 2 obs
● 2026-04-14 04:20:20
○MXsmtp.calphad.org2015-07-02 → 2017-03-22 · 3 obs
● 2017-03-22 18:28:04
○ 2026-04-14 04:20:20
●A145.131.3.1012026-04-14 → 2026-04-14 · 2 obs
● 2026-04-14 04:20:20
○A216.117.144.562015-07-02 → 2017-03-22 · 3 obs
● 2017-03-22 18:28:04
○ 2026-04-14 04:20:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, b0.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| calphad.org | ns3.argewebhosting.nl, ns2.argewebhosting.com, ns1.argewebhosting.eu | - |
✅ Authoritative Response
Server:31.25.98.210
NS records: ns3.argewebhosting.nl, ns2.argewebhosting.com, ns1.argewebhosting.eu
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 3634ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 145.131.3.101 |
| NS | 3 | ns3.argewebhosting.nl, ns1.argewebhosting.eu... |
| MX | 1 | mail.calphad.org (pri: 10) |
| TXT | 1 | v=spf1 ip4:145.131.3.101 include:andorac |
| SOA | 1 | ns1.argewebhosting.eu hostmaster.argeweb |
Analysis
Hierarchy
www.calphad.org is a child of calphad.org.
IP Addresses
calphad.org resolves to one IP number: 145.131.3.101.
Other host names, for instance mail.afm4nanomedbio.eu, mail.andoracms.nl, ispac-conferences.org, afmbiomed.org and mail.materialsgenome.com share IP numbers with calphad.org.
Name Servers
calphad.org is delegated to three name servers: ns2.argewebhosting.com, ns1.argewebhosting.eu and ns3.argewebhosting.nl.
calphad.org at least partially shares name servers with other domains, including tyst.nl, zorggroepmeander.eu, lamcolor.com, sanorice.com and domhof.com.
Host names with two IP numbers:
ns2.argewebhosting.com: 2a05:1500:702:0:1c00:13ff:fe00:a5 and 31.25.98.169
ns1.argewebhosting.eu: 2a05:1500:702:0:1c00:eff:fe00:ce and 31.25.98.210
ns3.argewebhosting.nl: 2a05:1500:600:7:1c00:55ff:fe00:f1a and 92.63.168.137
Mail Servers
A single mail server handles calphad.org, mail.calphad.org.
Host name mail.calphad.org resolves to a single IP: 145.131.3.101.