`appcorelabs.com`

DNSSEC	⚠️ Not signed
A	76.76.21.21^{🇺🇸 Amazon76.76.21.0/24 EC2 Prefix}
NS	`ns33.domaincontrol.com` ⭐
		A	2603:5:21a1::11^{🇺🇸 GODADDY-DNS2603:5:21a0::/44}
			PTR	`ns33.domaincontrol.com`
		A	97.74.106.17^{🇺🇸 GODADDY-DNS97.74.106.0/23}
			PTR	`ns33.domaincontrol.com`
NS	`ns34.domaincontrol.com`
		A	2603:5:22a1::11^{🇺🇸 GODADDY-DNS2603:5:22a0::/44}
			PTR	`ns34.domaincontrol.com`
		A	173.201.74.17^{🇺🇸 GODADDY-DNS173.201.74.0/23}
			PTR	`ns34.domaincontrol.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c08::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bi-in-f26.1e100.net`
		A	142.251.111.26^{🇺🇸 Google142.251.111.0/24}
			PTR	`bk-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.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	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.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	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`zoho-verification=zb15404071.zmverify.zoho.com`
SOA	`ns33.domaincontrol.com`dns@jomax.net 2026-06-16 #0

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1784389262

Same first word

appcorelabs.com

Similar names

coreappslab.com

DNS History

16 records (8 active, 8 former)

○NSns07.domaincontrol.com2017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 16:59:22
○ 2018-06-05 04:09:12
○ 2026-07-18 16:09:32

○NSns08.domaincontrol.com2017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 16:59:22
○ 2018-06-05 04:09:12
○ 2026-07-18 16:09:32

○NSns1.ipage.com2018-06-05 → 2018-06-05 · 4 obs

○ 2017-01-04 16:59:22
● 2018-06-05 04:09:12
○ 2026-06-02 06:59:40
○ 2026-07-18 16:09:32

○NSns2.ipage.com2018-06-05 → 2018-06-05 · 4 obs

○ 2017-01-04 16:59:22
● 2018-06-05 04:09:12
○ 2026-06-02 06:59:40
○ 2026-07-18 16:09:32

●NSns33.domaincontrol.com2026-06-02 → 2026-07-18 · 3 obs

○ 2018-06-05 04:09:12
● 2026-06-02 06:59:40
● 2026-07-18 16:09:32

●NSns34.domaincontrol.com2026-06-02 → 2026-07-18 · 3 obs

○ 2018-06-05 04:09:12
● 2026-06-02 06:59:40
● 2026-07-18 16:09:32

●MXalt1.aspmx.l.google.com2018-06-05 → 2026-07-18 · 3 obs

○ 2017-01-04 16:59:22
● 2018-06-05 04:09:12
● 2026-07-18 16:09:32

●MXalt2.aspmx.l.google.com2018-06-05 → 2026-07-18 · 3 obs

○ 2017-01-04 16:59:22
● 2018-06-05 04:09:12
● 2026-07-18 16:09:32

●MXalt3.aspmx.l.google.com2018-06-05 → 2026-07-18 · 3 obs

○ 2017-01-04 16:59:22
● 2018-06-05 04:09:12
● 2026-07-18 16:09:32

●MXalt4.aspmx.l.google.com2018-06-05 → 2026-07-18 · 3 obs

○ 2017-01-04 16:59:22
● 2018-06-05 04:09:12
● 2026-07-18 16:09:32

●MXaspmx.l.google.com2018-06-05 → 2026-07-18 · 3 obs

○ 2017-01-04 16:59:22
● 2018-06-05 04:09:12
● 2026-07-18 16:09:32

○MXmailstore1.secureserver.net2017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 16:59:22
○ 2018-06-05 04:09:12
○ 2026-07-18 16:09:32

○MXsmtp.secureserver.net2017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 16:59:22
○ 2018-06-05 04:09:12
○ 2026-07-18 16:09:32

○A50.63.202.422017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 16:59:22
○ 2018-06-05 04:09:12
○ 2026-07-18 16:09:32

○A66.96.147.1962018-06-05 → 2018-06-05 · 4 obs

○ 2017-01-04 16:59:22
● 2018-06-05 04:09:12
○ 2026-06-02 06:59:40
○ 2026-07-18 16:09:32

●A76.76.21.212026-06-02 → 2026-07-18 · 3 obs

○ 2018-06-05 04:09:12
● 2026-06-02 06:59:40
● 2026-07-18 16:09:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
appcorelabs.com	ns33.domaincontrol.com, ns34.domaincontrol.com	4 records

✅ Authoritative Response

Server:97.74.106.17

NS records: ns33.domaincontrol.com, ns34.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for appcorelabs.com (unsigned zone)

⏱️ Timing

Total: 131ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`76.76.21.21`
NS	2	`ns33.domaincontrol.com, ns34.domaincontrol.com`
MX	5	`aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)...`
TXT	1	`zoho-verification=zb15404071.zmverify.zo`
SOA	1	`ns33.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns33.domaincontrol.com, ns33.domaincontrol.com, ns34.domaincontrol.com...)

Analysis

IP Addresses

appcorelabs.com resolves to just one IP address, 76.76.21.21.

Two other host names, along with learnscience.org, stoicledger.space and tabtodo.com, also share IP numbers with appcorelabs.com.

Name Servers

DNS delegation for appcorelabs.com points to two name servers: ns33.domaincontrol.com and ns34.domaincontrol.com.

appcorelabs.com shares its NS records with other domains, for example safe-secure.info, carolinafloats.com, hurusa.com and two others.

ns33.domaincontrol.com directs to 97.74.106.17 and 2603:5:21a1::11. ns34.domaincontrol.com directs to 173.201.74.17 and 2603:5:22a1::11. Each host name carries two IP addresses.

Mail Servers

Five mail servers handle appcorelabs.com: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

There is at least a partial MX overlap between appcorelabs.com and other domains, including superyachtcompany.com, blackhawks.at, danthea.eu and two others.

These mail servers tend to appear in combination with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 others.

Host names that have two IP addresses:

aspmx.l.google.com has two IP addresses: 142.251.111.26 and 2607:f8b0:4004:c08::1a.

alt1.aspmx.l.google.com has two IP addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com has two IP addresses: 172.253.116.26 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com has two IP addresses: 192.178.223.27 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com has two IP addresses: 172.253.157.27 and 2a00:1450:400c:c23::1a.