openfoamworkshop.org - robtex.com

openfoamworkshop.org

DNSSEC⚠️ Not signed
A68.66.255.65🇺🇸 A2HOSTING68.66.240.0/20 A2 Hosting, Inc.
NSns1.a2hosting.com ⭐
A13.248.158.180🇺🇸 Amazon13.248.144.0/20
PTRa79764cc55c0ac9c0.awsglobalaccelerator.com
NSns2.a2hosting.com
A75.2.118.134🇺🇸 Amazon75.2.112.0/20
PTRabc65dd9a44b5332f.awsglobalaccelerator.com
NSns3.a2hosting.com
A76.223.26.245🇺🇸 Amazon76.223.16.0/20
PTRa79764cc55c0ac9c0.awsglobalaccelerator.com
NSns4.a2hosting.com
A99.83.147.209🇺🇸 Amazon99.83.144.0/20
PTRabc65dd9a44b5332f.awsglobalaccelerator.com
MXmail.openfoamworkshop.org ⭐
A68.66.255.65🇺🇸 A2HOSTING68.66.240.0/20 A2 Hosting, Inc.
TXTv=spf1 +a +mx +ip4:68.66.248.25 include:spf.a2hosting.com ~all
SOAns1.a2hosting.comroot@nl1-ss8.a2hosting.com 2026-03-08 #1

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1774725567
WOT: SAFE (60/100)

Subdomains

www.openfoamworkshop.org
mail.openfoamworkshop.org

Same first word

openfoamworkshop.org

DNS History

16 records (6 active, 10 former)

20162017201820192020202120222023202420252026NSns1.a2hosting.comns2.a2hosting.comns3.a2hosting.comns4.a2hosting.comns0.phase8.netns1.phase8.netns2.phase8.netMXmail.openfoamworkshop.orgathena.hosts.co.ukfwd0.hosts.co.ukfwd1.hosts.co.ukfwd2.hosts.co.ukhermes.hosts.co.ukA68.66.255.6585.233.160.13985.233.160.70
○NSns0.phase8.net2015-06-07 → 2017-04-01 · 4 obs
● 2015-06-07 22:54:40
● 2017-04-01 07:11:06
○ 2026-02-20 00:01:48
○ 2026-03-28 19:26:02
●NSns1.a2hosting.com2026-02-20 → 2026-03-28 · 3 obs
○ 2017-04-01 07:11:06
● 2026-02-20 00:01:48
● 2026-03-28 19:26:02
○NSns1.phase8.net2015-06-07 → 2017-04-01 · 4 obs
● 2015-06-07 22:54:40
● 2017-04-01 07:11:06
○ 2026-02-20 00:01:48
○ 2026-03-28 19:26:02
●NSns2.a2hosting.com2026-02-20 → 2026-03-28 · 3 obs
○ 2017-04-01 07:11:06
● 2026-02-20 00:01:48
● 2026-03-28 19:26:02
○NSns2.phase8.net2015-06-07 → 2017-04-01 · 4 obs
● 2015-06-07 22:54:40
● 2017-04-01 07:11:06
○ 2026-02-20 00:01:48
○ 2026-03-28 19:26:02
●NSns3.a2hosting.com2026-02-20 → 2026-03-28 · 3 obs
○ 2017-04-01 07:11:06
● 2026-02-20 00:01:48
● 2026-03-28 19:26:02
●NSns4.a2hosting.com2026-02-20 → 2026-03-28 · 3 obs
○ 2017-04-01 07:11:06
● 2026-02-20 00:01:48
● 2026-03-28 19:26:02
○MXathena.hosts.co.uk2015-10-24 → 2017-04-01 · 5 obs
○ 2015-06-07 22:54:40
● 2015-10-24 06:43:42
● 2017-04-01 07:11:06
○ 2026-02-20 00:01:48
○ 2026-03-28 19:26:02
○MXfwd0.hosts.co.uk2015-06-07 → 2015-06-07 · 3 obs
● 2015-06-07 22:54:40
○ 2015-10-24 06:43:42
○ 2026-03-28 19:26:02
○MXfwd1.hosts.co.uk2015-06-07 → 2015-06-07 · 3 obs
● 2015-06-07 22:54:40
○ 2015-10-24 06:43:42
○ 2026-03-28 19:26:02
○MXfwd2.hosts.co.uk2015-06-07 → 2015-06-07 · 3 obs
● 2015-06-07 22:54:40
○ 2015-10-24 06:43:42
○ 2026-03-28 19:26:02
○MXhermes.hosts.co.uk2015-10-24 → 2017-04-01 · 5 obs
○ 2015-06-07 22:54:40
● 2015-10-24 06:43:42
● 2017-04-01 07:11:06
○ 2026-02-20 00:01:48
○ 2026-03-28 19:26:02
●MXmail.openfoamworkshop.org2026-02-20 → 2026-03-28 · 3 obs
○ 2017-04-01 07:11:06
● 2026-02-20 00:01:48
● 2026-03-28 19:26:02
●A68.66.255.652026-02-20 → 2026-03-28 · 3 obs
○ 2017-04-01 07:11:06
● 2026-02-20 00:01:48
● 2026-03-28 19:26:02
○A85.233.160.1392015-10-24 → 2017-04-01 · 5 obs
○ 2015-06-07 22:54:40
● 2015-10-24 06:43:42
● 2017-04-01 07:11:06
○ 2026-02-20 00:01:48
○ 2026-03-28 19:26:02
○A85.233.160.702015-06-07 → 2015-06-07 · 3 obs
● 2015-06-07 22:54:40
○ 2015-10-24 06:43:42
○ 2026-03-28 19:26:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, d0.org.afilias-nst.org, b2.org.afilias-nst.org-
openfoamworkshop.orgns3.a2hosting.com, ns1.a2hosting.com, ns2.a2hosting.com, ns4.a2hosting.com-

✅ Authoritative Response

Server:75.2.118.134

NS records: ns3.a2hosting.com, ns1.a2hosting.com, ns2.a2hosting.com, ns4.a2hosting.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for openfoamworkshop.org (unsigned zone)

⏱️ Timing

Total: 277ms | Queries: -

📄 Records

TypeCountSample Data
A168.66.255.65
NS4ns2.a2hosting.com, ns3.a2hosting.com...
MX1mail.openfoamworkshop.org (pri: 0)
TXT1v=spf1 +a +mx +ip4:68.66.248.25 include:
SOA1ns1.a2hosting.com root.nl1-ss8.a2hosting

Analysis

Hierarchy

openfoamworkshop.org is the parent of www.openfoamworkshop.org and mail.openfoamworkshop.org.

IP Addresses

openfoamworkshop.org points to an IP address: 68.66.255.65.

other host names include ipc.uminho.pt, jjnobrega.com, www.dep.uminho.pt, dep.uminho.pt and mail.polimeros.org; they share IP numbers with openfoamworkshop.org.

Name Servers

openfoamworkshop.org delegates to four name servers: ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com and ns4.a2hosting.com.

openfoamworkshop.org at least partially shares name servers with other domains, for instance najnaz.com, promasterlawntree.com, medequipusa.com, referstudent.com and smjohns.com.

these name servers are commonly used with ns1.supercp.com, ns2.supercp.com, ns1.mysecurecloudhost.com, ns2.mysecurecloudhost.com, ns3.mysecurecloudhost.com, ns4.mysecurecloudhost.com, ns1.a2webhosting.com, ns2.a2webhosting.com, ns3.supercp.com and ns4.supercp.com.

Host names with one IP number: ns1.a2hosting.com points to: 13.248.158.180; ns2.a2hosting.com points to: 75.2.118.134; ns3.a2hosting.com points to: 76.223.26.245; ns4.a2hosting.com points to: 99.83.147.209.

Mail Servers

openfoamworkshop.org is handled by a single mail server, mail.openfoamworkshop.org.

The host name mail.openfoamworkshop.org points to IP 68.66.255.65.