`apdu.org`

DNSSEC	⚠️ Not signed
A	68.66.208.209^{🇺🇸 A2HOSTING68.66.208.0/23 A2 Hosting, Inc.}
		PTR	`68.66.208.209.static.a2webhosting.com`
NS	`ns1.a2hosting.com` ⭐
		A	13.248.158.180^{🇺🇸 Amazon13.248.144.0/20}
			PTR	`a79764cc55c0ac9c0.awsglobalaccelerator.com`
NS	`dkim.smtp2go.net` ⚠️ Not in zone NS records
		A	170.187.131.209^{🇺🇸 AKAMAI-LINODE-AP170.187.131.0/24 Akamai Technologies}
			PTR	`170-187-131-209.ip.linodeusercontent.com`
		A	185.3.93.228^{🇬🇧 AKAMAI-LINODE-AP185.3.92.0/22 Akamai Technologies}
			PTR	`185-3-93-228.ip.linodeusercontent.com`
NS	`ns2.a2hosting.com`
		A	75.2.118.134^{🇺🇸 Amazon75.2.112.0/20}
			PTR	`abc65dd9a44b5332f.awsglobalaccelerator.com`
NS	`ns3.a2hosting.com`
		A	76.223.26.245^{🇺🇸 Amazon76.223.16.0/20}
			PTR	`a79764cc55c0ac9c0.awsglobalaccelerator.com`
NS	`ns4.a2hosting.com`
		A	99.83.147.209^{🇺🇸 Amazon99.83.144.0/20}
			PTR	`abc65dd9a44b5332f.awsglobalaccelerator.com`
NS	`return.smtp2go.net` ⚠️ Not in zone NS records
		A	170.187.131.209^{🇺🇸 AKAMAI-LINODE-AP170.187.131.0/24 Akamai Technologies}
			PTR	`170-187-131-209.ip.linodeusercontent.com`
		A	185.3.93.228^{🇬🇧 AKAMAI-LINODE-AP185.3.92.0/22 Akamai Technologies}
			PTR	`185-3-93-228.ip.linodeusercontent.com`
NS	`track.smtp2go.net` ⚠️ Not in zone NS records
		A	170.187.131.209^{🇺🇸 AKAMAI-LINODE-AP170.187.131.0/24 Akamai Technologies}
			PTR	`170-187-131-209.ip.linodeusercontent.com`
		A	185.3.93.228^{🇬🇧 AKAMAI-LINODE-AP185.3.92.0/22 Akamai Technologies}
			PTR	`185-3-93-228.ip.linodeusercontent.com`
MX	`mail.apdu.org` ⭐
		A	68.66.208.209^{🇺🇸 A2HOSTING68.66.208.0/23 A2 Hosting, Inc.}
			PTR	`68.66.208.209.static.a2webhosting.com`
TXT	`v=spf1 ip4:66.198.240.17 include:spf.a2hosting.com +a +mx +ip4:68.66.208.209 ...`
SOA	`ns1.a2hosting.com`root@mi3-ts114.a2hosting.com 2026-01-19 #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.info`hostmaster@donuts.email serial=1771291736

WOT: SAFE (60/100)

Subdomains

mail.apdu.org

www.apdu.org

Same first word

apdu.fr

apdu.cz

apdu.net

apdu.org

apdu.de

apdu.com

Similar names

udap.ru

puda.se

apud.com.ar

dupa.us

adup.ro

pdau.edu.ua

adup.co.uk

adup.eu

dupa.info

adup.dev

daup.cn

padu.eu

apud.cn

dupa.pl

paud.ir

upad.ca

pdua.com

upad.it

padu.ch

padu.ru

aupd.com

adup.co.jp

dupa.io

upda.de

padu.my

adpu.sh

adup.site

upad.mobi

adup.org

daup.com

padu.net

dupa.com

adup.jp

daup.com.au

adpu.sk

adup.info

daup.net

upda.nl

daup.de

dpua.net

upad.hr

dapu.info

adup.in

padu.sk

padu.edu.my

dupa.sk

padu.pl

dapu.it

adpu.com

upad.cn

apud.cl

duap.com

apud.net

dupa.net

upda.com

adup.io

adup.nl

udap.com.ua

apud.de

puda.eu

upda.org

dpau.com

dupa.eu

padu.com.my

upda.net

padu.com

upda.fr

padu.gov.my

dupa.dk

paud.info

apud.se

puda.ru

upda.me

puda.net.cn

adpu.edu.az

duap.ch

dpau.org

padu.cl

pdau.org

dupa.it

duap.net

puda.co.kr

udap.it

adup.cz

padu.in

paud.sinaapp.com

dupa.pro

apud.eu

adup.se

puad.com

adup.it

puda.net

dapu.com

uadp.de

dpau.ru

upad.co.uk

dpua.com

padu.nl

DNS History

21 records (9 active, 12 former)

●NSdkim.smtp2go.net2026-02-15 → 2026-03-11 · 3 obs

○ 2019-12-21 23:36:06
● 2026-02-15 15:32:24
● 2026-03-11 21:41:20

●NSns1.a2hosting.com2026-02-15 → 2026-03-11 · 3 obs

○ 2019-12-21 23:36:06
● 2026-02-15 15:32:24
● 2026-03-11 21:41:20

○NSns1.peer1.net2015-06-14 → 2019-12-21 · 5 obs

○ 2008-06-29 23:41:18
● 2015-06-14 17:34:14
● 2019-12-21 23:36:06
○ 2026-02-15 15:32:24
○ 2026-03-11 21:41:20

○NSns1.superb.net2008-06-29 → 2008-06-29 · 3 obs

● 2008-06-29 23:41:18
○ 2015-06-14 17:34:14
○ 2026-03-11 21:41:20

●NSns2.a2hosting.com2026-02-15 → 2026-03-11 · 3 obs

○ 2019-12-21 23:36:06
● 2026-02-15 15:32:24
● 2026-03-11 21:41:20

○NSns2.peer1.net2015-06-14 → 2019-12-21 · 5 obs

○ 2008-06-29 23:41:18
● 2015-06-14 17:34:14
● 2019-12-21 23:36:06
○ 2026-02-15 15:32:24
○ 2026-03-11 21:41:20

○NSns2.superb.net2008-06-29 → 2008-06-29 · 3 obs

● 2008-06-29 23:41:18
○ 2015-06-14 17:34:14
○ 2026-03-11 21:41:20

●NSns3.a2hosting.com2026-02-15 → 2026-03-11 · 3 obs

○ 2019-12-21 23:36:06
● 2026-02-15 15:32:24
● 2026-03-11 21:41:20

○NSns3.superb.net2008-06-29 → 2008-06-29 · 3 obs

● 2008-06-29 23:41:18
○ 2015-06-14 17:34:14
○ 2026-03-11 21:41:20

●NSns4.a2hosting.com2026-02-15 → 2026-03-11 · 3 obs

○ 2019-12-21 23:36:06
● 2026-02-15 15:32:24
● 2026-03-11 21:41:20

○NSns4.superb.net2008-06-29 → 2008-06-29 · 3 obs

● 2008-06-29 23:41:18
○ 2015-06-14 17:34:14
○ 2026-03-11 21:41:20

○NSns5.superb.net2008-06-29 → 2008-06-29 · 3 obs

● 2008-06-29 23:41:18
○ 2015-06-14 17:34:14
○ 2026-03-11 21:41:20

●NSreturn.smtp2go.net2026-02-15 → 2026-03-11 · 3 obs

○ 2019-12-21 23:36:06
● 2026-02-15 15:32:24
● 2026-03-11 21:41:20

●NStrack.smtp2go.net2026-02-15 → 2026-03-11 · 3 obs

○ 2019-12-21 23:36:06
● 2026-02-15 15:32:24
● 2026-03-11 21:41:20

●MXmail.apdu.org2026-02-15 → 2026-03-11 · 3 obs

○ 2019-12-21 23:36:06
● 2026-02-15 15:32:24
● 2026-03-11 21:41:20

○MXmailstore1.secureserver.net2015-06-14 → 2019-12-21 · 5 obs

○ 2008-06-29 23:41:18
● 2015-06-14 17:34:14
● 2019-12-21 23:36:06
○ 2026-02-15 15:32:24
○ 2026-03-11 21:41:20

○MXmx.superb.net2008-06-29 → 2008-06-29 · 3 obs

● 2008-06-29 23:41:18
○ 2015-06-14 17:34:14
○ 2026-03-11 21:41:20

○MXsmtp.secureserver.net2015-06-14 → 2019-12-21 · 5 obs

○ 2008-06-29 23:41:18
● 2015-06-14 17:34:14
● 2019-12-21 23:36:06
○ 2026-02-15 15:32:24
○ 2026-03-11 21:41:20

○A184.168.53.12015-06-14 → 2019-12-21 · 5 obs

○ 2008-06-29 23:41:18
● 2015-06-14 17:34:14
● 2019-12-21 23:36:06
○ 2026-02-15 15:32:24
○ 2026-03-11 21:41:20

○A209.61.254.1152008-06-29 → 2008-06-29 · 3 obs

● 2008-06-29 23:41:18
○ 2015-06-14 17:34:14
○ 2026-03-11 21:41:20

●A68.66.208.2092026-02-15 → 2026-03-11 · 3 obs

○ 2019-12-21 23:36:06
● 2026-02-15 15:32:24
● 2026-03-11 21:41:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
apdu.org	track.smtp2go.net, ns4.a2hosting.com, ns1.a2hosting.com, ns3.a2hosting.com...	-

✅ Authoritative Response

Server: 13.248.158.180

NS records: track.smtp2go.net, ns4.a2hosting.com, ns1.a2hosting.com, ns3.a2hosting.com, return.smtp2go.net, dkim.smtp2go.net, ns2.a2hosting.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for apdu.org (unsigned zone)

⏱️ Timing

Total: 3506ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`68.66.208.209`
NS	4	`ns4.a2hosting.com, ns3.a2hosting.com...`
MX	1	`mail.apdu.org (pri: 0)`
TXT	1	`v=spf1 ip4:66.198.240.17 include:spf.a2h`
SOA	1	`ns1.a2hosting.com root.mi3-ts114.a2hosti`

Analysis

Hierarchy

apdu.org is a parent of mail.apdu.org and www.apdu.org.

IP Addresses

apdu.org points to IP number 68.66.208.209.

Other host names, for instance, mail.apdu.org share IP numbers with apdu.org.

Name Servers

apdu.org is delegated to seven name servers: ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com, ns4.a2hosting.com, dkim.smtp2go.net, return.smtp2go.net and track.smtp2go.net.

apdu.org shares name servers with other domains at least partially, for example quanteedt.com, parahwellness.com, ustennisnews.com, bigdatame.com and well-packcorp.com.ph.

These name servers are commonly used alongside ns1.mysecurecloudhost.com, ns2.mysecurecloudhost.com, ns3.mysecurecloudhost.com, ns4.mysecurecloudhost.com, ns2.supercp.com and ns1.supercp.com.

Host names with two IP numbers: dkim.smtp2go.net, return.smtp2go.net and track.smtp2go.net point to: 170.187.131.209 and 185.3.93.228.

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

Host names that point to 170.187.131.209: dkim.smtp2go.net, return.smtp2go.net and track.smtp2go.net.

Host names that point to 185.3.93.228: dkim.smtp2go.net, return.smtp2go.net and track.smtp2go.net.

Mail Servers

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

mail.apdu.org points to a single IP: 68.66.208.209.

apdu.org - robtex.com

apdu.org

org

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`apdu.org`

`org`