certtools.com - robtex.com

certtools.com

DNSSEC⚠️ Not signed
A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix
A2600:1f18:4ae:c606:78d4:4260:db4e:aeee🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix
A13.223.25.84🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix
A54.243.117.197🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix
NSns1.namebrightdns.com ⭐
A2600:1f18:683a:ae1a:f77:89a0:bb92:5271🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1a:d400:3079:62a0:131f🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:5baf:bb2e:3a49:1c72🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A52.91.47.137🇺🇸 Amazon52.90.0.0/15 EC2 IAD prefix
PTRec2-52-91-47-137.compute-1.amazonaws.com
A54.81.154.240🇺🇸 Amazon54.80.0.0/14 EC2 IAD prefix
PTRec2-54-81-154-240.compute-1.amazonaws.com
A54.159.91.195🇺🇸 Amazon54.156.0.0/14 EC2 IAD prefix
PTRec2-54-159-91-195.compute-1.amazonaws.com
NSnsg1.namebrightdns.com
A2600:1f18:683a:ae1a:6d5b:7ab3:7079:ee9🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1a:894e:779f:a1ca:3cf5🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1a:e5a9:8ee2:a408:496a🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:9806:d504:f0e4:26c🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:b2d2:f9bf:c31b:7e61🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A3.89.209.21🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix
PTRec2-3-89-209-21.compute-1.amazonaws.com
A34.203.199.171🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix
PTRec2-34-203-199-171.compute-1.amazonaws.com
A44.220.149.224🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix
PTRec2-44-220-149-224.compute-1.amazonaws.com
A54.88.138.42🇺🇸 Amazon54.88.0.0/16 EC2 IAD VPC prefix
PTRec2-54-88-138-42.compute-1.amazonaws.com
A98.81.135.11🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix
PTRec2-98-81-135-11.compute-1.amazonaws.com
NSnsg2.namebrightdns.com
A2600:1f18:683a:ae1a:312d:ded2:48d4:bc36🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1a:c221:8713:a429:b322🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:4c22:ef5c:347c:ebc7🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:5a39:a1b8:e389:2cee🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:d886:b5ba:8512:894🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A3.85.217.230🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix
PTRec2-3-85-217-230.compute-1.amazonaws.com
A34.235.153.57🇺🇸 Amazon34.224.0.0/12 EC2 Region prefix
PTRec2-34-235-153-57.compute-1.amazonaws.com
A54.144.47.192🇺🇸 Amazon54.144.0.0/14 EC2 IAD NAT prefix
PTRec2-54-144-47-192.compute-1.amazonaws.com
A54.224.194.88🇺🇸 Amazon54.224.0.0/15 EC2 IAD prefix
PTRec2-54-224-194-88.compute-1.amazonaws.com
A100.27.186.47🇺🇸 Amazon100.24.0.0/13 EC2 IAD prefix
PTRec2-100-27-186-47.compute-1.amazonaws.com
TXTv=spf1 -all
TXTafternic-verification-G9G3tM8T8EwEizzPzjGJWF
SOAns1.namebrightdns.comdns@namebright.com 2026-03-27 #1

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774620597

Same first word

certtools.com

Similar names

colortest.com.cn
testcolor.com
coltstore.com
cresttool.com
tecsotrol.co
reloscott.com
colortest.dk

DNS History

20 records (7 active, 13 former)

20162017201820192020202120222023202420252026NSns1.namebrightdns.comnsg1.namebrightdns.comnsg2.namebrightdns.comns2.namebrightdns.comMXanmail.namebrightmail.comA13.223.25.842600:1f18:4ae:c605:dd5d:b838:5816:d7fb2600:1f18:4ae:c606:78d4:4260:db4e:aeee54.243.117.197107.23.198.24052.0.96.2452.204.129.2252.4.72.13752.71.117.9954.174.31.25454.208.74.21554.85.127.70CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.comhdredirect-lb3-890977680.us-east-1.elb.amazonaws.comhdredirect-lb5-1afb6e2973825a56.elb.us-east-1.amazonaws.com
●NSns1.namebrightdns.com2015-08-10 → 2026-03-27 · 8 obs
● 2015-08-10 07:23:28
● 2015-12-05 15:02:32
○ 2016-03-14 09:13:10
● 2016-07-13 13:16:44
● 2017-03-14 07:01:40
○ 2019-12-22 21:39:24
● 2026-02-17 06:54:46
● 2026-03-27 14:18:40
○NSns2.namebrightdns.com2015-08-10 → 2017-03-14 · 7 obs
● 2015-08-10 07:23:28
● 2015-12-05 15:02:32
○ 2016-03-14 09:13:10
● 2016-07-13 13:16:44
● 2017-03-14 07:01:40
○ 2019-12-22 21:39:24
○ 2026-03-27 14:18:40
●NSnsg1.namebrightdns.com2016-03-14 → 2026-03-27 · 6 obs
○ 2015-12-05 15:02:32
● 2016-03-14 09:13:10
○ 2016-07-13 13:16:44
○ 2017-03-14 07:01:40
● 2019-12-22 21:39:24
● 2026-03-27 14:18:40
●NSnsg2.namebrightdns.com2016-03-14 → 2026-03-27 · 6 obs
○ 2015-12-05 15:02:32
● 2016-03-14 09:13:10
○ 2016-07-13 13:16:44
○ 2017-03-14 07:01:40
● 2019-12-22 21:39:24
● 2026-03-27 14:18:40
○MXanmail.namebrightmail.com2015-08-10 → 2015-08-10 · 3 obs
● 2015-08-10 07:23:28
○ 2015-12-05 15:02:32
○ 2026-03-27 14:18:40
○A107.23.198.2402016-07-13 → 2016-07-13 · 4 obs
○ 2016-03-14 09:13:10
● 2016-07-13 13:16:44
○ 2017-03-14 07:01:40
○ 2026-03-27 14:18:40
●A13.223.25.842026-02-17 → 2026-03-27 · 3 obs
○ 2019-12-22 21:39:24
● 2026-02-17 06:54:46
● 2026-03-27 14:18:40
●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-02-17 → 2026-03-27 · 3 obs
○ 2019-12-22 21:39:24
● 2026-02-17 06:54:46
● 2026-03-27 14:18:40
●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-02-17 → 2026-03-27 · 3 obs
○ 2019-12-22 21:39:24
● 2026-02-17 06:54:46
● 2026-03-27 14:18:40
○A52.0.96.242016-03-14 → 2016-03-14 · 4 obs
○ 2015-12-05 15:02:32
● 2016-03-14 09:13:10
○ 2016-07-13 13:16:44
○ 2026-03-27 14:18:40
○A52.204.129.222017-03-14 → 2017-03-14 · 4 obs
○ 2016-07-13 13:16:44
● 2017-03-14 07:01:40
○ 2019-12-22 21:39:24
○ 2026-03-27 14:18:40
○A52.4.72.1372016-07-13 → 2016-07-13 · 4 obs
○ 2016-03-14 09:13:10
● 2016-07-13 13:16:44
○ 2017-03-14 07:01:40
○ 2026-03-27 14:18:40
○A52.71.117.992016-03-14 → 2016-03-14 · 4 obs
○ 2015-12-05 15:02:32
● 2016-03-14 09:13:10
○ 2016-07-13 13:16:44
○ 2026-03-27 14:18:40
○A54.174.31.2542015-08-10 → 2015-12-05 · 4 obs
● 2015-08-10 07:23:28
● 2015-12-05 15:02:32
○ 2016-03-14 09:13:10
○ 2026-03-27 14:18:40
○A54.208.74.2152015-08-10 → 2015-12-05 · 4 obs
● 2015-08-10 07:23:28
● 2015-12-05 15:02:32
○ 2016-03-14 09:13:10
○ 2026-03-27 14:18:40
●A54.243.117.1972026-02-17 → 2026-03-27 · 3 obs
○ 2019-12-22 21:39:24
● 2026-02-17 06:54:46
● 2026-03-27 14:18:40
○A54.85.127.702017-03-14 → 2017-03-14 · 4 obs
○ 2016-07-13 13:16:44
● 2017-03-14 07:01:40
○ 2019-12-22 21:39:24
○ 2026-03-27 14:18:40
○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-08-10 → 2016-07-13 · 4 obs
● 2015-08-10 07:23:28
● 2016-07-13 13:16:44
○ 2017-03-14 07:01:40
○ 2026-03-27 14:18:40
○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-03-14 → 2017-03-14 · 4 obs
○ 2016-07-13 13:16:44
● 2017-03-14 07:01:40
○ 2019-12-22 21:39:24
○ 2026-03-27 14:18:40
○CNAMEhdredirect-lb5-1afb6e2973825a56.elb.us-east-1.amazonaws.com2019-12-22 → 2026-02-17 · 5 obs
○ 2017-03-14 07:01:40
● 2019-12-22 21:39:24
● 2026-02-17 06:54:46
○ 2026-03-27 14:18:38
○ 2026-03-27 14:18:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comm.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net, l.gtld-servers.net...-
certtools.comnsg1.namebrightdns.com, nsg2.namebrightdns.com20 records

✅ Authoritative Response

Server:3.89.209.21

NS records: nsg1.namebrightdns.com, nsg2.namebrightdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for certtools.com (unsigned zone)

⏱️ Timing

Total: 129ms | Queries: -

📄 Records

TypeCountSample Data
A213.223.25.84, 54.243.117.197
AAAA22600:1f18:4ae:c606:78d4:4260:db4e:aeee, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb
NS2nsg2.namebrightdns.com, nsg1.namebrightdns.com
TXT2v=spf1 -all, afternic-verification-G9G3tM8T8EwEizzPzj
SOA1ns1.namebrightdns.com dns.namebright.com

📌 Glue Records Collected

Total: 20

Out-of-bailiwick: 20 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

IP Addresses

certtools.com maps to four IP numbers: 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb, 2600:1f18:4ae:c606:78d4:4260:db4e:aeee, 13.223.25.84 and 54.243.117.197.

other host names include culturvate.com, hesseconstruction.com, galeriasgourmet.com, mail.healthyfoood.com and outbound21.dcm5.com; they share IP numbers with certtools.com.

Name Servers

certtools.com is delegated to three name servers ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

certtools.com at least partially shares name servers with other domains, for instance weseminars.com, mirmoto.com, pickandstack.com, barsugar.com and mx01.mymagaza.com.

These name servers are commonly used alongside domain-for-sale.hugedomainsdns.com, forsale.hugedomainsdns.com and ns2.namebrightdns.com.

Host names with ten IP numbers:

nsg1.namebrightdns.com points to: 2600:1f18:683a:ae1a:6d5b:7ab3:7079:ee9, 2600:1f18:683a:ae1a:894e:779f:a1ca:3cf5, 2600:1f18:683a:ae1a:e5a9:8ee2:a408:496a, 2600:1f18:683a:ae1b:9806:d504:f0e4:26c, 2600:1f18:683a:ae1b:b2d2:f9bf:c31b:7e61, 3.89.209.21, 34.203.199.171, 44.220.149.224, 54.88.138.42 and 98.81.135.11; nsg2.namebrightdns.com points to: 2600:1f18:683a:ae1a:312d:ded2:48d4:bc36, 2600:1f18:683a:ae1a:c221:8713:a429:b322, 2600:1f18:683a:ae1b:4c22:ef5c:347c:ebc7, 2600:1f18:683a:ae1b:5a39:a1b8:e389:2cee, 2600:1f18:683a:ae1b:d886:b5ba:8512:894, 3.85.217.230, 34.235.153.57, 54.144.47.192, 54.224.194.88 and 100.27.186.47.

Host names with six IP numbers:

ns1.namebrightdns.com points to: 2600:1f18:683a:ae1a:f77:89a0:bb92:5271, 2600:1f18:683a:ae1a:d400:3079:62a0:131f, 2600:1f18:683a:ae1b:5baf:bb2e:3a49:1c72, 52.91.47.137, 54.81.154.240 and 54.159.91.195.

Pattern: IPs rise by 3 from the first to the last in each group.