parents.classlink.com - robtex.com

parents.classlink.com

DNSSEC⚠️ Not signed
A3.170.19.21🇺🇸 Amazon3.170.19.0/24
PTRserver-3-170-19-21.iad61.r.cloudfront.net
A3.170.19.29🇺🇸 Amazon3.170.19.0/24
A3.170.19.126🇺🇸 Amazon3.170.19.0/24
A3.170.19.128🇺🇸 Amazon3.170.19.0/24

classlink.com

DNSSEC⚠️ Not signed
A198.202.211.1🇺🇸 CLOUDFLARESPECTRUM198.202.211.0/24 Webflow
NSns-261.awsdns-32.com ⭐
NSns-1522.awsdns-62.org
NSns-2026.awsdns-61.co.uk
NSns-828.awsdns-39.net
MXclasslink-com.mail.protection.outlook.com ⭐
TXT4qr0lkf6uog34p5a1046dm0tvu
TXT5je1dbqftgftqf2sapptb20988
TXT9vu5elj96pu6pob1ecp4j5c5dd
TXTFoxit-domain-verification=61cb92e4e7446ae2c9505ca5a853b955
TXTanthropic-domain-verification-xjj7xz=iR7ykRURIR8m1TufjvHBSTscf
TXTapple-domain-verification=YkDFx5z01YEISXVD
TXTatlassian-domain-verification=Umlva1cUR4QjS03+6saVBhzTV4/ulItYeC+NDmsly/D9Jzc...
TXTgoogle-site-verification=6rOpTcmbg9b4Cft2EHJWjRuWQJulhd0NmWpjFTaNBUw
TXTgoogle-site-verification=zwbqDXH-crJlGAYdIYG5fl9FdRzglZHal9MYPeR_klM
TXTlinear-domain-verification=c5ruhesasc9j
TXTlogmein-verification-code=ce6036fe-d2c1-4676-980a-953230408dae
TXTopenai-domain-verification=dv-ed2walzHKaS2my4YbufodW2X
TXTp344lhnhr36vrk6csonrdjkmc1
TXTqbovvtand4i23tcrc8nuptig5g
TXTstatus-page-domain-verification=rczds3yf1nz9
TXTv=spf1 include:aspmx.pardot.com include:stspg-customer.com include:sendgrid.n...
SOAns-261.awsdns-32.comawsdns-hostmaster@amazon.com serial=1
rank #54427 globally
rank #24235 in the tld
📈 Tranco rank: #1,068

ClassLink is a leading provider of identity and access management (IAM) solutions designed specifically for the education sector. Headquartered in Clifton, New Jersey, the company serves over 25 million students and staff across 3,000+ school systems in 50 U.S. states and 42 countries.

Services & Products

  • LaunchPad — Single sign-on (SSO) platform with access to 6,000+ educational apps
  • OneSync — Automated account provisioning and identity management
  • Roster Server — Secure roster data sharing using open standards
  • Analytics & Analytics+ — EdTech usage tracking, equitable access metrics, and ROI measurement
  • Security Suite — Multi-Factor Authentication (MFA), DataGuard, Audit Center, and ThreatScan

Infrastructure

  • DNS hosted on Amazon Route 53 (awsdns nameservers)
  • Web fronted by Cloudflare Spectrum (198.202.211.1)
  • Email routed through Microsoft 365 (classlink-com.mail.protection.outlook.com)
  • DNSSEC not enabled

ClassLink won the 2025 CODiE Award for Best Administrative Solution. Their mission centers on "identity-first schools" where secure identity management enables safer, faster, and more efficient educational operations.

Same first word

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DNS History

16 records (4 active, 12 former)

A3.170.19.1263.170.19.1283.170.19.213.170.19.29216.137.44.124216.137.44.18216.137.44.80216.137.44.9752.222.244.11952.222.244.2352.222.244.2952.222.244.8699.84.215.1099.84.215.10199.84.215.3199.84.215.66
○A216.137.44.1242026-03-03 → 2026-03-27 · 40 obs
○ 2026-03-03 19:27:06
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○A216.137.44.182026-03-03 → 2026-03-27 · 40 obs
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○A216.137.44.802026-03-03 → 2026-03-27 · 40 obs
○ 2026-03-03 19:27:06
● 2026-03-03 23:26:38
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○ 2026-03-27 02:57:48
○A216.137.44.972026-03-03 → 2026-03-27 · 40 obs
○ 2026-03-03 19:27:06
● 2026-03-03 23:26:38
○ 2026-03-07 14:19:38
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●A3.170.19.1262026-03-07 → 2026-03-27 · 20 obs
○ 2026-03-07 14:19:38
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●A3.170.19.1282026-03-07 → 2026-03-27 · 20 obs
○ 2026-03-07 14:19:38
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●A3.170.19.212026-03-07 → 2026-03-27 · 20 obs
○ 2026-03-07 14:19:38
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●A3.170.19.292026-03-07 → 2026-03-27 · 20 obs
○ 2026-03-07 14:19:38
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○A52.222.244.1192026-03-07 → 2026-03-17 · 7 obs
○ 2026-03-03 23:26:38
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○A52.222.244.232026-03-07 → 2026-03-17 · 7 obs
○ 2026-03-03 23:26:38
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○A52.222.244.292026-03-07 → 2026-03-17 · 7 obs
○ 2026-03-03 23:26:38
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○A52.222.244.862026-03-07 → 2026-03-17 · 7 obs
○ 2026-03-03 23:26:38
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○A99.84.215.102026-03-03 → 2026-03-18 · 27 obs
● 2026-03-03 19:27:06
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○A99.84.215.1012026-03-03 → 2026-03-18 · 27 obs
● 2026-03-03 19:27:06
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○A99.84.215.312026-03-03 → 2026-03-18 · 27 obs
● 2026-03-03 19:27:06
○ 2026-03-03 23:26:38
○ 2026-03-07 16:17:08
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○A99.84.215.662026-03-03 → 2026-03-18 · 27 obs
● 2026-03-03 19:27:06
○ 2026-03-03 23:26:38
○ 2026-03-07 16:17:08
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○ 2026-03-27 02:57:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net, g.gtld-servers.net...-
classlink.comns-261.awsdns-32.com, ns-828.awsdns-39.net, ns-2026.awsdns-61.co.uk, ns-1522.awsdns-62.org1 record

✅ Authoritative Response

Server:205.251.197.242

NS records: ns-261.awsdns-32.com, ns-828.awsdns-39.net, ns-2026.awsdns-61.co.uk, ns-1522.awsdns-62.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classlink.com (unsigned zone)

⏱️ Timing

Total: 549ms | Queries: -

📄 Records

TypeCountSample Data
A43.170.19.128, 3.170.19.29...

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-261.awsdns-32.com)

Analysis

IP Addresses

parents.classlink.com points to four IP numbers: 3.170.19.21, 3.170.19.29, 3.170.19.126 and 3.170.19.128.

Other host names, for instance www.rekenmachinestore.be, www.quiltersstudiova.com, autoscan-86284151.research.a10protects.com, crosby.awsapps.com and lusi-dataviz-test.c5t.yle.fi share IP numbers with parents.classlink.com.