classroom.goodnotes.com - robtex.com

classroom.goodnotes.com

DNSSEC⚠️ Not signed
A3.170.19.7🇺🇸 Amazon3.170.19.0/24
PTRserver-3-170-19-7.iad61.r.cloudfront.net
A3.170.19.10🇺🇸 Amazon3.170.19.0/24
A3.170.19.27🇺🇸 Amazon3.170.19.0/24
A3.170.19.40🇺🇸 Amazon3.170.19.0/24
NSns-1533.awsdns-63.org ⭐
A2600:9000:5305:fd00::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront
PTRns-1533.awsdns-63.org
A205.251.197.253🇺🇸 Amazon205.251.197.0/24 prefix
PTRns-1533.awsdns-63.org
NSns-1738.awsdns-25.co.uk
A2600:9000:5306:ca00::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront
PTRns-1738.awsdns-25.co.uk
A205.251.198.202🇺🇸 Amazon205.251.198.0/24 prefix
PTRns-1738.awsdns-25.co.uk
NSns-299.awsdns-37.com
A2600:9000:5301:2b00::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront
PTRns-299.awsdns-37.com
A205.251.193.43🇺🇸 Amazon205.251.193.0/24 prefix
PTRns-299.awsdns-37.com
NSns-969.awsdns-57.net
A2600:9000:5303:c900::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront
PTRns-969.awsdns-57.net
A205.251.195.201🇺🇸 Amazon205.251.195.0/24 prefix
PTRns-969.awsdns-57.net
MXsmtp.google.com ⭐
A2607:f8b0:4023:c06::1a🇺🇸 Google2607:f8b0::/32
PTRdz-in-f26.1e100.net
A2607:f8b0:4023:c06::1b🇺🇸 Google2607:f8b0::/32
PTRdz-in-f27.1e100.net
A2607:f8b0:4023:c0b::1a🇺🇸 Google2607:f8b0::/32
PTRdd-in-f26.1e100.net
A2607:f8b0:4023:c0b::1b🇺🇸 Google2607:f8b0::/32
PTRdd-in-f27.1e100.net
A142.250.101.26🇺🇸 Google142.250.101.0/24
PTRdz-in-f26.1e100.net
A142.250.101.27🇺🇸 Google142.250.101.0/24
PTRdz-in-f27.1e100.net
A142.250.141.26🇺🇸 Google142.250.141.0/24
PTRdd-in-f26.1e100.net
A142.250.141.27🇺🇸 Google142.250.141.0/24
PTRdd-in-f27.1e100.net
A142.251.2.26🇺🇸 Google142.251.2.0/24
PTRdl-in-f26.1e100.net
MXk7wdcadawn76eexmop33kcs3cyima3jwhvsao2vgqfaz6qef6ozq.mx-verification.google.com(15)
SOAns-1533.awsdns-63.orgawsdns-hostmaster@amazon.com serial=1

goodnotes.com

DNSSEC⚠️ Not signed
A13.226.238.52🇺🇸 Amazon13.226.232.0/21 - Cloudfront
A13.226.238.91🇺🇸 Amazon13.226.232.0/21 - Cloudfront
A13.226.238.99🇺🇸 Amazon13.226.232.0/21 - Cloudfront
A13.226.238.113🇺🇸 Amazon13.226.232.0/21 - Cloudfront
NSns-1467.awsdns-55.org ⭐
NSns-1759.awsdns-27.co.uk
NSns-748.awsdns-29.net
NSns-99.awsdns-12.com
MXsmtp.google.com ⭐
TXT8C58F5A793
TXTMS=ms66944371
TXTMS=ms72330585
TXTapple-domain-verification=PF3Vd2yC2LsCsm9g
TXTatlassian-domain-verification=ExaNhMsCUGORyQuXobk50p6tcqauxHbFzzZckB42RlAv1Lj...
TXTatlassian-sending-domain-verification=f2c25a79-9cd4-4e65-9284-9be08f295002
TXTcisco-ci-domain-verification=337bbfd476dc2143cd4247d9fc1616f0ce85087509e5236a...
TXTcursor-domain-verification-9k17ez=z45Wuvvz1Eogawb2dXsTUGVky
TXTfigma-domain-verification=155fbe86cd7071c7a538ed8295bfca3e20fa254277c57e708f5...
TXTgoodnotes-verification=c2f78cf5-a4ea-4f08-8a83-87a091e3c979
TXTgoogle-site-verification=8Swcg7lYhQOK-fosTi2pB4-EhZG8HJo1ZPrhTRaZQgU
TXTgoogle-site-verification=dLfUKB-8Fr08SpD0Byaspeb1DAb8cEO_T-zWnhYz8Vc
TXTgoogle-site-verification=pzmqndC7_zoAkN0xG3ugevCPcbWUzwJvEX0nmlMwAQk
TXTjetbrains-domain-verification=b9dclsa4elrzbkw9zn9mbsbjp
TXTmandrill_verify.PTWvG4ntNJHJw8xXVUBh2w
TXTnotion-domain-verification=5pxFPT7CUlILZFEd96Y0zgXjGyJVF2M05q1Hd3q80YE
TXTslack-domain-verification=ANCp1g51JGm79Vn6I2v9iroxq6quSNKB5aP5kph2
TXTv=spf1 include:_spf.google.com include:spf.mandrillapp.com include:26813687.s...
SOAns-1467.awsdns-55.orgawsdns-hostmaster@amazon.com serial=1
rank #32389 globally
rank #15955 in the tld
📈 Tranco rank: #5,669

Same first word

classroom.se
classroom.re.kr
classroom.com.au
classroom.nl
classroom.si
classroom.im
classroom.leadpages.co
classroom.coach
classroom.online
classroom.kz
classroom.technology
classroom.life
classroom.co
classroom.global
classroom.freetls.fastly.net
classroom.cc
classroom.it.com
classroom.org
classroom.ru
classroom.at
classroom.school
classroom.gov.ng
classroom.management
classroom.be
classroom.ro
classroom.la
classroom.gr
classroom.fr
classroom.solar
classroom.cloud
classroom.world
classroom.biz
classroom.com
classroom.ws
classroom.name
classroom.au
classroom.solutions
classroom.com.hk
classroom.id
classroom.us
classroom.net
classroom.ai
classroom.pl
classroom.uk
classroom.education
classroom.es
classroom.ch
classroom.co.com
classroom.de
classroom.lol
classroom.com.ar
classroom.ge
classroom.works
classroom.bg
classroom.global.ssl.fastly.net
classroom.pro
classroom.fund
classroom.community
classroom.network
classroom.rentals
classroom.dk
classroom.cl
classroom.place

Similar names

losmarcos.com
masscolor.com
classmoor.com
clasrooms.com
losmarcos.mx
mssolarco.com
mssolarco.net
carolmoss.com
losmarcos.com.mx
moscorals.ru

DNS History

26 records (10 active, 16 former)

NSns-1533.awsdns-63.orgns-1738.awsdns-25.co.ukns-299.awsdns-37.comns-969.awsdns-57.netMXk7wdcadawn76eexmop33kcs3cyima3jwhvsao2vgqfaz6qef6ozq.mx-verification.google.comsmtp.google.comA3.170.19.103.170.19.273.170.19.403.170.19.7143.204.68.4143.204.68.65143.204.68.7143.204.68.973.162.103.1023.162.103.1053.162.103.1153.162.103.533.167.212.443.167.212.603.167.212.613.167.212.883.174.113.553.174.113.763.174.113.773.174.113.87
●NSns-1533.awsdns-63.org2026-03-15 → 2026-03-23 · 2 obs
● 2026-03-15 05:01:32
● 2026-03-23 10:55:16
●NSns-1738.awsdns-25.co.uk2026-03-15 → 2026-03-23 · 2 obs
● 2026-03-15 05:01:32
● 2026-03-23 10:55:16
●NSns-299.awsdns-37.com2026-03-15 → 2026-03-23 · 2 obs
● 2026-03-15 05:01:32
● 2026-03-23 10:55:16
●NSns-969.awsdns-57.net2026-03-15 → 2026-03-23 · 2 obs
● 2026-03-15 05:01:32
● 2026-03-23 10:55:16
●MXk7wdcadawn76eexmop33kcs3cyima3jwhvsao2vgqfaz6qef6ozq.mx-verification.google.com2026-03-15 → 2026-03-23 · 2 obs
● 2026-03-15 05:01:32
● 2026-03-23 10:55:16
●MXsmtp.google.com2026-03-15 → 2026-03-23 · 2 obs
● 2026-03-15 05:01:32
● 2026-03-23 10:55:16
○A143.204.68.42026-03-15 → 2026-03-23 · 30 obs
● 2026-03-15 05:01:32
● 2026-03-15 15:06:12
○ 2026-03-15 17:23:32
● 2026-03-15 23:43:58
● 2026-03-16 01:26:32
○ 2026-03-16 09:23:50
● 2026-03-16 14:45:44
○ 2026-03-17 04:00:10
● 2026-03-17 04:59:46
○ 2026-03-17 08:10:06
○ 2026-03-17 11:56:42
● 2026-03-17 12:33:04
● 2026-03-19 01:12:12
○ 2026-03-19 06:55:00
● 2026-03-19 08:57:00
● 2026-03-20 08:43:12
○ 2026-03-20 10:19:14
● 2026-03-20 12:35:28
● 2026-03-20 16:40:50
○ 2026-03-20 20:13:24
○ 2026-03-20 23:07:46
● 2026-03-21 02:29:52
○ 2026-03-21 11:34:04
○ 2026-03-21 23:08:34
● 2026-03-22 01:05:00
● 2026-03-22 20:36:44
○ 2026-03-22 23:08:16
● 2026-03-23 01:35:06
○ 2026-03-23 02:08:34
○ 2026-03-23 10:55:16
○A143.204.68.652026-03-15 → 2026-03-23 · 30 obs
● 2026-03-15 05:01:32
● 2026-03-15 15:06:12
○ 2026-03-15 17:23:32
● 2026-03-15 23:43:58
● 2026-03-16 01:26:32
○ 2026-03-16 09:23:50
● 2026-03-16 14:45:44
○ 2026-03-17 04:00:10
● 2026-03-17 04:59:46
○ 2026-03-17 08:10:06
○ 2026-03-17 11:56:42
● 2026-03-17 12:33:04
● 2026-03-19 01:12:12
○ 2026-03-19 06:55:00
● 2026-03-19 08:57:00
● 2026-03-20 08:43:12
○ 2026-03-20 10:19:14
● 2026-03-20 12:35:28
● 2026-03-20 16:40:50
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○ 2026-03-20 23:07:46
● 2026-03-21 02:29:52
○ 2026-03-21 11:34:04
○ 2026-03-21 23:08:34
● 2026-03-22 01:05:00
● 2026-03-22 20:36:44
○ 2026-03-22 23:08:16
● 2026-03-23 01:35:06
○ 2026-03-23 02:08:34
○ 2026-03-23 10:55:16
○A143.204.68.72026-03-15 → 2026-03-23 · 30 obs
● 2026-03-15 05:01:32
● 2026-03-15 15:06:12
○ 2026-03-15 17:23:32
● 2026-03-15 23:43:58
● 2026-03-16 01:26:32
○ 2026-03-16 09:23:50
● 2026-03-16 14:45:44
○ 2026-03-17 04:00:10
● 2026-03-17 04:59:46
○ 2026-03-17 08:10:06
○ 2026-03-17 11:56:42
● 2026-03-17 12:33:04
● 2026-03-19 01:12:12
○ 2026-03-19 06:55:00
● 2026-03-19 08:57:00
● 2026-03-20 08:43:12
○ 2026-03-20 10:19:14
● 2026-03-20 12:35:28
● 2026-03-20 16:40:50
○ 2026-03-20 20:13:24
○ 2026-03-20 23:07:46
● 2026-03-21 02:29:52
○ 2026-03-21 11:34:04
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● 2026-03-22 01:05:00
● 2026-03-22 20:36:44
○ 2026-03-22 23:08:16
● 2026-03-23 01:35:06
○ 2026-03-23 02:08:34
○ 2026-03-23 10:55:16
○A143.204.68.972026-03-15 → 2026-03-23 · 30 obs
● 2026-03-15 05:01:32
● 2026-03-15 15:06:12
○ 2026-03-15 17:23:32
● 2026-03-15 23:43:58
● 2026-03-16 01:26:32
○ 2026-03-16 09:23:50
● 2026-03-16 14:45:44
○ 2026-03-17 04:00:10
● 2026-03-17 04:59:46
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● 2026-03-17 12:33:04
● 2026-03-19 01:12:12
○ 2026-03-19 06:55:00
● 2026-03-19 08:57:00
● 2026-03-20 08:43:12
○ 2026-03-20 10:19:14
● 2026-03-20 12:35:28
● 2026-03-20 16:40:50
○ 2026-03-20 20:13:24
○ 2026-03-20 23:07:46
● 2026-03-21 02:29:52
○ 2026-03-21 11:34:04
○ 2026-03-21 23:08:34
● 2026-03-22 01:05:00
● 2026-03-22 20:36:44
○ 2026-03-22 23:08:16
● 2026-03-23 01:35:06
○ 2026-03-23 02:08:34
○ 2026-03-23 10:55:16
○A3.162.103.1022026-03-19 → 2026-03-20 · 11 obs
○ 2026-03-19 01:12:12
● 2026-03-19 06:55:00
○ 2026-03-19 08:57:00
○ 2026-03-20 08:43:12
● 2026-03-20 10:19:14
○ 2026-03-20 12:35:28
○ 2026-03-20 16:40:50
● 2026-03-20 20:13:24
● 2026-03-20 23:07:46
○ 2026-03-21 02:29:52
○ 2026-03-23 10:55:16
○A3.162.103.1052026-03-19 → 2026-03-20 · 11 obs
○ 2026-03-19 01:12:12
● 2026-03-19 06:55:00
○ 2026-03-19 08:57:00
○ 2026-03-20 08:43:12
● 2026-03-20 10:19:14
○ 2026-03-20 12:35:28
○ 2026-03-20 16:40:50
● 2026-03-20 20:13:24
● 2026-03-20 23:07:46
○ 2026-03-21 02:29:52
○ 2026-03-23 10:55:16
○A3.162.103.1152026-03-19 → 2026-03-20 · 11 obs
○ 2026-03-19 01:12:12
● 2026-03-19 06:55:00
○ 2026-03-19 08:57:00
○ 2026-03-20 08:43:12
● 2026-03-20 10:19:14
○ 2026-03-20 12:35:28
○ 2026-03-20 16:40:50
● 2026-03-20 20:13:24
● 2026-03-20 23:07:46
○ 2026-03-21 02:29:52
○ 2026-03-23 10:55:16
○A3.162.103.532026-03-19 → 2026-03-20 · 11 obs
○ 2026-03-19 01:12:12
● 2026-03-19 06:55:00
○ 2026-03-19 08:57:00
○ 2026-03-20 08:43:12
● 2026-03-20 10:19:14
○ 2026-03-20 12:35:28
○ 2026-03-20 16:40:50
● 2026-03-20 20:13:24
● 2026-03-20 23:07:46
○ 2026-03-21 02:29:52
○ 2026-03-23 10:55:16
○A3.167.212.442026-03-15 → 2026-03-21 · 12 obs
○ 2026-03-15 15:06:12
● 2026-03-15 17:23:32
○ 2026-03-15 23:43:58
○ 2026-03-16 14:45:44
● 2026-03-17 04:00:10
○ 2026-03-17 04:59:46
● 2026-03-17 08:10:06
○ 2026-03-17 11:56:42
○ 2026-03-21 02:29:52
● 2026-03-21 11:34:04
○ 2026-03-21 23:08:34
○ 2026-03-23 10:55:16
○A3.167.212.602026-03-15 → 2026-03-21 · 12 obs
○ 2026-03-15 15:06:12
● 2026-03-15 17:23:32
○ 2026-03-15 23:43:58
○ 2026-03-16 14:45:44
● 2026-03-17 04:00:10
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● 2026-03-17 08:10:06
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○ 2026-03-21 02:29:52
● 2026-03-21 11:34:04
○ 2026-03-21 23:08:34
○ 2026-03-23 10:55:16
○A3.167.212.612026-03-15 → 2026-03-21 · 12 obs
○ 2026-03-15 15:06:12
● 2026-03-15 17:23:32
○ 2026-03-15 23:43:58
○ 2026-03-16 14:45:44
● 2026-03-17 04:00:10
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● 2026-03-17 08:10:06
○ 2026-03-17 11:56:42
○ 2026-03-21 02:29:52
● 2026-03-21 11:34:04
○ 2026-03-21 23:08:34
○ 2026-03-23 10:55:16
○A3.167.212.882026-03-15 → 2026-03-21 · 12 obs
○ 2026-03-15 15:06:12
● 2026-03-15 17:23:32
○ 2026-03-15 23:43:58
○ 2026-03-16 14:45:44
● 2026-03-17 04:00:10
○ 2026-03-17 04:59:46
● 2026-03-17 08:10:06
○ 2026-03-17 11:56:42
○ 2026-03-21 02:29:52
● 2026-03-21 11:34:04
○ 2026-03-21 23:08:34
○ 2026-03-23 10:55:16
●A3.170.19.102026-03-16 → 2026-03-23 · 15 obs
○ 2026-03-16 01:26:32
● 2026-03-16 09:23:50
○ 2026-03-16 14:45:44
○ 2026-03-17 08:10:06
● 2026-03-17 11:56:42
○ 2026-03-17 12:33:04
○ 2026-03-21 11:34:04
● 2026-03-21 23:08:34
○ 2026-03-22 01:05:00
○ 2026-03-22 20:36:44
● 2026-03-22 23:08:16
○ 2026-03-23 01:35:06
○ 2026-03-23 02:08:34
● 2026-03-23 06:50:14
● 2026-03-23 10:55:16
●A3.170.19.272026-03-16 → 2026-03-23 · 15 obs
○ 2026-03-16 01:26:32
● 2026-03-16 09:23:50
○ 2026-03-16 14:45:44
○ 2026-03-17 08:10:06
● 2026-03-17 11:56:42
○ 2026-03-17 12:33:04
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● 2026-03-21 23:08:34
○ 2026-03-22 01:05:00
○ 2026-03-22 20:36:44
● 2026-03-22 23:08:16
○ 2026-03-23 01:35:06
○ 2026-03-23 02:08:34
● 2026-03-23 06:50:14
● 2026-03-23 10:55:16
●A3.170.19.402026-03-16 → 2026-03-23 · 15 obs
○ 2026-03-16 01:26:32
● 2026-03-16 09:23:50
○ 2026-03-16 14:45:44
○ 2026-03-17 08:10:06
● 2026-03-17 11:56:42
○ 2026-03-17 12:33:04
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● 2026-03-21 23:08:34
○ 2026-03-22 01:05:00
○ 2026-03-22 20:36:44
● 2026-03-22 23:08:16
○ 2026-03-23 01:35:06
○ 2026-03-23 02:08:34
● 2026-03-23 06:50:14
● 2026-03-23 10:55:16
●A3.170.19.72026-03-16 → 2026-03-23 · 15 obs
○ 2026-03-16 01:26:32
● 2026-03-16 09:23:50
○ 2026-03-16 14:45:44
○ 2026-03-17 08:10:06
● 2026-03-17 11:56:42
○ 2026-03-17 12:33:04
○ 2026-03-21 11:34:04
● 2026-03-21 23:08:34
○ 2026-03-22 01:05:00
○ 2026-03-22 20:36:44
● 2026-03-22 23:08:16
○ 2026-03-23 01:35:06
○ 2026-03-23 02:08:34
● 2026-03-23 06:50:14
● 2026-03-23 10:55:16
○A3.174.113.552026-03-23 → 2026-03-23 · 4 obs
○ 2026-03-23 01:35:06
● 2026-03-23 02:08:34
○ 2026-03-23 06:50:14
○ 2026-03-23 10:55:16
○A3.174.113.762026-03-23 → 2026-03-23 · 4 obs
○ 2026-03-23 01:35:06
● 2026-03-23 02:08:34
○ 2026-03-23 06:50:14
○ 2026-03-23 10:55:16
○A3.174.113.772026-03-23 → 2026-03-23 · 4 obs
○ 2026-03-23 01:35:06
● 2026-03-23 02:08:34
○ 2026-03-23 06:50:14
○ 2026-03-23 10:55:16
○A3.174.113.872026-03-23 → 2026-03-23 · 4 obs
○ 2026-03-23 01:35:06
● 2026-03-23 02:08:34
○ 2026-03-23 06:50:14
○ 2026-03-23 10:55:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comg.gtld-servers.net, d.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net...-
goodnotes.comns-99.awsdns-12.com, ns-748.awsdns-29.net, ns-1759.awsdns-27.co.uk, ns-1467.awsdns-55.org1 record
classroom.goodnotes.comns-1533.awsdns-63.org, ns-1738.awsdns-25.co.uk, ns-299.awsdns-37.com, ns-969.awsdns-57.net-

✅ Authoritative Response

Server:205.251.197.253

NS records: ns-1533.awsdns-63.org, ns-1738.awsdns-25.co.uk, ns-299.awsdns-37.com, ns-969.awsdns-57.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for goodnotes.com (unsigned zone)

⏱️ Timing

Total: 2368ms | Queries: -

📄 Records

TypeCountSample Data
A43.170.19.7, 3.170.19.10...
NS4ns-1533.awsdns-63.org, ns-1738.awsdns-25.co.uk...
MX2smtp.google.com (pri: 1), k7wdcadawn76eexmop33kcs3cyima3jwhvsao2vg
SOA1ns-1533.awsdns-63.org awsdns-hostmaster.

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-99.awsdns-12.com)

Analysis

IP Addresses

classroom.goodnotes.com resolves to four IPs: 3.170.19.7, 3.170.19.10, 3.170.19.27 and 3.170.19.40.

Other host names, for instance movil.znackvideo.es, d13y502k7b6kmi.cloudfront.net, qbtime.config-cdn.a.intuit.com, akiba-ss.com and aspirateur911quebec.com share IP numbers with classroom.goodnotes.com.

Name Servers

classroom.goodnotes.com is delegated to four name servers: ns-299.awsdns-37.com, ns-969.awsdns-57.net, ns-1533.awsdns-63.org and ns-1738.awsdns-25.co.uk.

classroom.goodnotes.com shares some name servers with other domains, for example oqx.com.br, pledge-it.com, marinusdebeer.com, xulanebcpatch.com and web-tv-prod.com.

These name servers are commonly used with the name servers ns-460.awsdns-57.com, ns-1291.awsdns-33.org, ns-1625.awsdns-11.co.uk, ns-451.awsdns-56.com, ns-538.awsdns-03.net and ns-1306.awsdns-35.org.

Host names with two IP numbers

Two IPs per host:

ns-299.awsdns-37.com points to 2600:9000:5301:2b00::1 and 205.251.193.43

ns-969.awsdns-57.net points to 2600:9000:5303:c900::1 and 205.251.195.201

ns-1533.awsdns-63.org points to 2600:9000:5305:fd00::1 and 205.251.197.253

ns-1738.awsdns-25.co.uk points to 2600:9000:5306:ca00::1 and 205.251.198.202

Mail Servers

classroom.goodnotes.com is served by two mail servers: smtp.google.com and k7wdcadawn76eexmop33kcs3cyima3jwhvsao2vgqfaz6qef6ozq.mx-verification.google.com.

classroom.goodnotes.com shares some mail servers with other domains, at least partially; for instance hcdesigns.com.au, taku.cool, arewelost.com, gelbrain.com and proland.com.pl.

these mail servers are often used with aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt4.aspmx.l.google.com and alt3.aspmx.l.google.com.

Host names with nine IP numbers: The host name smtp.google.com points to 2607:f8b0:4023:c06::1a, 2607:f8b0:4023:c06::1b, 2607:f8b0:4023:c0b::1a, 2607:f8b0:4023:c0b::1b, 142.250.101.26, 142.250.101.27, 142.250.141.26, 142.250.141.27 and 142.251.2.26.