core-lab.info - dns.ninja

`core-lab.info`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:4135^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:9e70^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.65.53^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.158.112^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dan.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b6c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dan.ns.cloudflare.com`
		A	108.162.193.108^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
		A	172.64.33.108^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
		A	173.245.59.108^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
NS	`isabel.ns.cloudflare.com`
		A	2606:4700:50::a29f:2668^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isabel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c268^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`isabel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2268^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`isabel.ns.cloudflare.com`
		A	108.162.194.104^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isabel.ns.cloudflare.com`
		A	162.159.38.104^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isabel.ns.cloudflare.com`
		A	172.64.34.104^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isabel.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.65.53, 172.67.158.112
		IPv6 hints	2606:4700:3032::6815:4135, 2606:4700:3036::ac43:9e70
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=244, name=cloudflare-ech.com
SOA	`dan.ns.cloudflare.com`dns@cloudflare.com serial=2411448341

`info`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.info.afilias-nst.info` ⭐
	NS	`a2.info.afilias-nst.info`
	NS	`b0.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`b2.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`c0.info.afilias-nst.info`
	NS	`d0.info.afilias-nst.org` ⚠️ Not in parent delegation
	SOA	`a0.info.afilias-nst.info`hostmaster@donuts.email serial=1786707724

Same first word

core-lab.ru

core-lab.com

core-lab.org

core-lab.de

core-lab.info

Similar names

labo-cer.com

cer-labo.com

el-cobra.ru

reco-lab.com

lab-core.com

lab-core.digital

lab-core.de

el-barco.de

DNS History

23 records (6 active, 17 former)

●NSdan.ns.cloudflare.com2026-06-25 → 2026-08-14 · 3 obs

○ 2026-05-01 10:44:20
● 2026-06-25 20:00:00
● 2026-08-14 12:11:28

●NSisabel.ns.cloudflare.com2026-06-25 → 2026-08-14 · 3 obs

○ 2026-05-01 10:44:20
● 2026-06-25 20:00:00
● 2026-08-14 12:11:28

○NSns-cloud-c1.googledomains.com2018-07-23 → 2018-07-23 · 3 obs

● 2018-07-23 02:48:26
○ 2026-05-01 10:44:20
○ 2026-08-14 12:11:28

○NSns-cloud-c2.googledomains.com2018-07-23 → 2018-07-23 · 3 obs

● 2018-07-23 02:48:26
○ 2026-05-01 10:44:20
○ 2026-08-14 12:11:28

○NSns-cloud-c3.googledomains.com2018-07-23 → 2018-07-23 · 3 obs

● 2018-07-23 02:48:26
○ 2026-05-01 10:44:20
○ 2026-08-14 12:11:28

○NSns-cloud-c4.googledomains.com2018-07-23 → 2018-07-23 · 3 obs

● 2018-07-23 02:48:26
○ 2026-05-01 10:44:20
○ 2026-08-14 12:11:28

○MXalt1.gmr-smtp-in.l.google.com2018-07-23 → 2018-07-23 · 3 obs

● 2018-07-23 02:48:26
○ 2026-05-01 10:44:20
○ 2026-08-14 12:11:28

○MXalt2.gmr-smtp-in.l.google.com2018-07-23 → 2018-07-23 · 3 obs

● 2018-07-23 02:48:26
○ 2026-05-01 10:44:20
○ 2026-08-14 12:11:28

○MXalt3.gmr-smtp-in.l.google.com2018-07-23 → 2018-07-23 · 3 obs

● 2018-07-23 02:48:26
○ 2026-05-01 10:44:20
○ 2026-08-14 12:11:28

○MXalt4.gmr-smtp-in.l.google.com2018-07-23 → 2018-07-23 · 3 obs

● 2018-07-23 02:48:26
○ 2026-05-01 10:44:20
○ 2026-08-14 12:11:28

○MXgmr-smtp-in.l.google.com2018-07-23 → 2018-07-23 · 3 obs

● 2018-07-23 02:48:26
○ 2026-05-01 10:44:20
○ 2026-08-14 12:11:28

●A104.21.65.532026-06-25 → 2026-08-14 · 3 obs

○ 2026-05-01 10:44:20
● 2026-06-25 20:00:00
● 2026-08-14 12:11:28

●A172.67.158.1122026-06-25 → 2026-08-14 · 3 obs

○ 2026-05-01 10:44:20
● 2026-06-25 20:00:00
● 2026-08-14 12:11:28

○A2001:4860:4802:32::152018-07-23 → 2018-07-23 · 3 obs

● 2018-07-23 02:48:26
○ 2026-05-01 10:44:20
○ 2026-08-14 12:11:28

○A2001:4860:4802:34::152018-07-23 → 2018-07-23 · 3 obs

● 2018-07-23 02:48:26
○ 2026-05-01 10:44:20
○ 2026-08-14 12:11:28

○A2001:4860:4802:36::152018-07-23 → 2018-07-23 · 3 obs

● 2018-07-23 02:48:26
○ 2026-05-01 10:44:20
○ 2026-08-14 12:11:28

○A2001:4860:4802:38::152018-07-23 → 2018-07-23 · 3 obs

● 2018-07-23 02:48:26
○ 2026-05-01 10:44:20
○ 2026-08-14 12:11:28

○A216.239.32.212018-07-23 → 2018-07-23 · 3 obs

● 2018-07-23 02:48:26
○ 2026-05-01 10:44:20
○ 2026-08-14 12:11:28

○A216.239.34.212018-07-23 → 2018-07-23 · 3 obs

● 2018-07-23 02:48:26
○ 2026-05-01 10:44:20
○ 2026-08-14 12:11:28

○A216.239.36.212018-07-23 → 2018-07-23 · 3 obs

● 2018-07-23 02:48:26
○ 2026-05-01 10:44:20
○ 2026-08-14 12:11:28

○A216.239.38.212018-07-23 → 2018-07-23 · 3 obs

● 2018-07-23 02:48:26
○ 2026-05-01 10:44:20
○ 2026-08-14 12:11:28

●A2606:4700:3032::6815:41352026-06-25 → 2026-08-14 · 3 obs

○ 2026-05-01 10:44:20
● 2026-06-25 20:00:00
● 2026-08-14 12:11:28

●A2606:4700:3036::ac43:9e702026-06-25 → 2026-08-14 · 3 obs

○ 2026-05-01 10:44:20
● 2026-06-25 20:00:00
● 2026-08-14 12:11:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
info	a0.info.afilias-nst.info, c0.info.afilias-nst.info, a2.info.afilias-nst.info	-
core-lab.info	dan.ns.cloudflare.com, isabel.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.104

NS records: dan.ns.cloudflare.com, isabel.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for core-lab.info (unsigned zone)

⏱️ Timing

Total: 450ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.65.53, 172.67.158.112`
AAAA	2	`2606:4700:3032::6815:4135, 2606:4700:3036::ac43:9e70`
NS	2	`dan.ns.cloudflare.com, isabel.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dan.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

core-lab.info has four IP addresses: 104.21.65.53, 172.67.158.112, 2606:4700:3032::6815:4135 and 2606:4700:3036::ac43:9e70.

mail.7way.eu, car.qmgbu.com, signalhusk.com and two other host names share IP numbers with core-lab.info.

Name Servers

core-lab.info uses two name servers for its delegation: dan.ns.cloudflare.com and isabel.ns.cloudflare.com.

core-lab.info uses the same name servers as several other domains — among them jazel19.workers.dev, eneriq-orange.info, actaza-enerza.info and two more.

core-lab.info shares at least some of its name servers with other domains, including investoracademyonline.com, gerantrade.com, marcostgs.com and two others.

These name servers are frequently seen alongside the name servers bruce.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

Hostname dan.ns.cloudflare.com directs to 108.162.193.108, 172.64.33.108 and 173.245.59.108 along with 3 other IP addresses.

Hostname isabel.ns.cloudflare.com directs to 108.162.194.104, 162.159.38.104 and 172.64.34.104 along with 3 other IP addresses.