🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`understandingboys.org`

DNSSEC	⚠️ Not signed
A	192.42.205.34^{🇺🇸 AS54556192.42.205.0/24 McCallie School 500 Dodds Avenue Chattanooga TN 37404 United States}
		PTR	`host-192.42.205.34.mccallie.org`
NS	`ns49.domaincontrol.com` ⭐
		A	2603:5:2182::19^{🇺🇸 GODADDY-DNS2603:5:2180::/44}
			PTR	`ns49.domaincontrol.com`
		A	97.74.104.25^{🇺🇸 GODADDY-DNS97.74.104.0/23}
			PTR	`ns49.domaincontrol.com`
NS	`ns50.domaincontrol.com`
		A	2603:5:2282::19^{🇺🇸 GODADDY-DNS2603:5:2280::/44}
			PTR	`ns50.domaincontrol.com`
		A	173.201.72.25^{🇺🇸 GODADDY-DNS173.201.72.0/23}
			PTR	`ns50.domaincontrol.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c29::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadum-in-f26.1e100.net`
		A	172.253.62.27^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`google-site-verification=nDpcj6ddOS_08_YWf_LTq1e4ba_F_y-d3bj-eBkGxEg`
TXT	`v=spf1 include:_spf.google.com include:servers.mcsv.net ~all`
SOA	`ns49.domaincontrol.com`dns@jomax.net 2020-05-07 #0

`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=1786936140

Same first word

understandingboys.org

understandingboys.com

DNS History

11 records (8 active, 3 former)

●NSns49.domaincontrol.com2015-07-08 → 2026-08-17 · 2 obs

● 2015-07-08 12:45:28
● 2026-08-17 03:34:06

●NSns50.domaincontrol.com2015-07-08 → 2026-08-17 · 2 obs

● 2015-07-08 12:45:28
● 2026-08-17 03:34:06

●MXalt1.aspmx.l.google.com2017-02-06 → 2026-08-17 · 3 obs

○ 2016-05-10 02:35:48
● 2017-02-06 18:15:28
● 2026-08-17 03:34:06

●MXalt2.aspmx.l.google.com2017-02-06 → 2026-08-17 · 3 obs

○ 2016-05-10 02:35:48
● 2017-02-06 18:15:28
● 2026-08-17 03:34:06

●MXalt3.aspmx.l.google.com2017-02-06 → 2026-08-17 · 3 obs

○ 2016-05-10 02:35:48
● 2017-02-06 18:15:28
● 2026-08-17 03:34:06

●MXalt4.aspmx.l.google.com2017-02-06 → 2026-08-17 · 3 obs

○ 2016-05-10 02:35:48
● 2017-02-06 18:15:28
● 2026-08-17 03:34:06

●MXaspmx.l.google.com2017-02-06 → 2026-08-17 · 3 obs

○ 2016-05-10 02:35:48
● 2017-02-06 18:15:28
● 2026-08-17 03:34:06

○MXmailstore1.secureserver.net2015-07-08 → 2016-05-10 · 4 obs

● 2015-07-08 12:45:28
● 2016-05-10 02:35:48
○ 2017-02-06 18:15:28
○ 2026-08-17 03:34:06

○MXsmtp.secureserver.net2015-07-08 → 2016-05-10 · 4 obs

● 2015-07-08 12:45:28
● 2016-05-10 02:35:48
○ 2017-02-06 18:15:28
○ 2026-08-17 03:34:06

●A192.42.205.342017-02-06 → 2026-08-17 · 3 obs

○ 2016-05-10 02:35:48
● 2017-02-06 18:15:28
● 2026-08-17 03:34:06

○A54.209.77.182015-07-08 → 2016-05-10 · 4 obs

● 2015-07-08 12:45:28
● 2016-05-10 02:35:48
○ 2017-02-06 18:15:28
○ 2026-08-17 03:34:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
understandingboys.org	ns49.domaincontrol.com, ns50.domaincontrol.com	-

✅ Authoritative Response

Server:173.201.72.25

NS records: ns49.domaincontrol.com, ns50.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for understandingboys.org (unsigned zone)

⏱️ Timing

Total: 426ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`192.42.205.34`
NS	2	`ns49.domaincontrol.com, ns50.domaincontrol.com`
MX	5	`aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)...`
TXT	2	`google-site-verification=nDpcj6ddOS_08_Y, v=spf1 include:_spf.google.com include:s`
SOA	1	`ns49.domaincontrol.com dns.jomax.net`

Analysis

IP Addresses

understandingboys.org has exactly one IP address — 192.42.205.34.

Name Servers

understandingboys.org has two authoritative name servers — ns49.domaincontrol.com and ns50.domaincontrol.com.

The name server configuration of understandingboys.org is shared with other domains, for instance bkk.org, cecepeniston.com, h4t2i6.vip and two others.

understandingboys.org has a partial name server overlap with other domains — among them acesecurityonline.com and arnavarvind.in.

Both ns49.domaincontrol.com and ns50.domaincontrol.com have two IP addresses each. ns49.domaincontrol.com resolves to 97.74.104.25 and 2603:5:2182::19; ns50.domaincontrol.com resolves to 173.201.72.25 and 2603:5:2282::19.

Mail Servers

Mail for understandingboys.org is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

At least some of the mail servers used by understandingboys.org are shared with other domains: marktschwaermer.ch, tablebasedepot.com, glogro.com and two others among them.

These mail servers often appear in conjunction with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names pointing to two IP addresses:

aspmx.l.google.com resolves to 172.253.62.27 and 2607:f8b0:4004:c29::1a.

alt1.aspmx.l.google.com resolves to 192.178.234.26 and 2800:3f0:4003:c14::1b.

alt2.aspmx.l.google.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com resolves to 192.178.223.26 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com resolves to 172.253.157.26 and 2a00:1450:400c:c23::1a.