auth.udacity.com - dns.ninja

auth.udacity.com

CNAMEauth.udacity.com.cdn.cloudflare.net
DNSSEC⚠️ Not signed
A2606:4700:4408::6812:2a62🇺🇸 Cloudflare2606:4700:4408::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A2a06:98c1:3109::ac40:919e🇺🇸 Cloudflare2a06:98c1:3109::/48
A104.18.42.98Cloudflare104.18.42.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.145.158🇺🇸 Cloudflare172.64.145.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US

udacity.com

DNSSEC⚠️ Not signed
A18.238.4.36🇺🇸 Amazon18.238.4.0/22
A18.238.4.37🇺🇸 Amazon18.238.4.0/22
A18.238.4.53🇺🇸 Amazon18.238.4.0/22
A18.238.4.71🇺🇸 Amazon18.238.4.0/22
NSns-1549.awsdns-01.co.uk ⭐
NSns-1014.awsdns-62.net
NSns-1109.awsdns-10.org
NSns-13.awsdns-01.com
MXmxa-00593801.gslb.pphosted.com ⭐
MXmxb-00593801.gslb.pphosted.com ⭐
TXTapple-domain-verification=iaobRRgsJ5xUkcuj
TXTatlassian-domain-verification=59aeShSTbEvs7cB33k4Wsvath8fOirTAy79UnAbOloto0Ay...
TXTatlassian-domain-verification=mBjfUMIIMEpsVsE5wql1jKvzxVpCWKZwpnSWFbY51pnIrp5...
TXTatlassian-sending-domain-verification=4a498916-8f31-4a42-b4ec-758ee24b79e4
TXTcursor-domain-verification-7zn380=ChGiB1Fhp14asve0cCXYyhxFn
TXTfacebook-domain-verification=q0sgl66mvrtj3ivlf1s98bn6gxvii2
TXTgoogle-site-verification=FJqQiq8r-ExkN9kiVDy44SL2wkm6VS8zka0HUkunGME
TXTstatus-page-domain-verification=y08j3wqb2sw9
TXTv=spf1 include:_spf.google.com include:sendgrid.net include:mail.zendesk.com ...
SOAns-1549.awsdns-01.co.ukawsdns-hostmaster@amazon.com serial=1
WOT: SAFE (66/100)
rank #2907 globally
rank #1510 in the tld
WOT: SAFE (94/100)
📈 Tranco rank: #11,278

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DNS History

5 records (1 active, 4 former)

2017201820192020202120222023202420252026A35.160.185.10635.162.45.14252.10.44.160CNAMEauth.udacity.com.cdn.cloudflare.netapollo-mesos-elb-berlioz2-prod-885022263.us-west-2.elb.amazonaws.com
○A35.160.185.1062016-12-28 → 2016-12-28 · 3 obs
● 2016-12-28 20:26:52
○ 2021-03-01 21:13:54
○ 2026-07-12 18:46:12
○A35.162.45.1422016-12-28 → 2016-12-28 · 3 obs
● 2016-12-28 20:26:52
○ 2021-03-01 21:13:54
○ 2026-07-12 18:46:12
○A52.10.44.1602016-12-28 → 2016-12-28 · 3 obs
● 2016-12-28 20:26:52
○ 2021-03-01 21:13:54
○ 2026-07-12 18:46:12
○CNAMEapollo-mesos-elb-berlioz2-prod-885022263.us-west-2.elb.amazonaws.com2016-12-28 → 2016-12-28 · 3 obs
● 2016-12-28 20:26:52
○ 2021-03-01 21:13:54
○ 2026-07-12 18:46:12
●CNAMEauth.udacity.com.cdn.cloudflare.net2021-03-01 → 2026-07-12 · 3 obs
○ 2016-12-28 20:26:52
● 2021-03-01 21:13:54
● 2026-07-12 18:46:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
come.gtld-servers.net, f.gtld-servers.net, d.gtld-servers.net, h.gtld-servers.net...-
udacity.comns-13.awsdns-01.com, ns-1014.awsdns-62.net, ns-1549.awsdns-01.co.uk, ns-1109.awsdns-10.org2 records
udacity.comns-1014.awsdns-62.net, ns-1109.awsdns-10.org, ns-13.awsdns-01.com, ns-1549.awsdns-01.co.uk-
udacity.comns-1014.awsdns-62.net, ns-1109.awsdns-10.org, ns-13.awsdns-01.com, ns-1549.awsdns-01.co.uk-
udacity.comns-1014.awsdns-62.net, ns-1109.awsdns-10.org, ns-13.awsdns-01.com, ns-1549.awsdns-01.co.uk-
udacity.comns-1014.awsdns-62.net, ns-1109.awsdns-10.org, ns-13.awsdns-01.com, ns-1549.awsdns-01.co.uk-
udacity.comns-1014.awsdns-62.net, ns-1109.awsdns-10.org, ns-13.awsdns-01.com, ns-1549.awsdns-01.co.uk-
udacity.comns-1014.awsdns-62.net, ns-1109.awsdns-10.org, ns-13.awsdns-01.com, ns-1549.awsdns-01.co.uk-
udacity.comns-1014.awsdns-62.net, ns-1109.awsdns-10.org, ns-13.awsdns-01.com, ns-1549.awsdns-01.co.uk-
udacity.comns-1014.awsdns-62.net, ns-1109.awsdns-10.org, ns-13.awsdns-01.com, ns-1549.awsdns-01.co.uk-
udacity.comns-1014.awsdns-62.net, ns-1109.awsdns-10.org, ns-13.awsdns-01.com, ns-1549.awsdns-01.co.uk-
udacity.comns-1014.awsdns-62.net, ns-1109.awsdns-10.org, ns-13.awsdns-01.com, ns-1549.awsdns-01.co.uk-
udacity.comns-1014.awsdns-62.net, ns-1109.awsdns-10.org, ns-13.awsdns-01.com, ns-1549.awsdns-01.co.uk-
udacity.comns-1014.awsdns-62.net, ns-1109.awsdns-10.org, ns-13.awsdns-01.com, ns-1549.awsdns-01.co.uk-
udacity.comns-1014.awsdns-62.net, ns-1109.awsdns-10.org, ns-13.awsdns-01.com, ns-1549.awsdns-01.co.uk-
udacity.comns-1014.awsdns-62.net, ns-1109.awsdns-10.org, ns-13.awsdns-01.com, ns-1549.awsdns-01.co.uk-
udacity.comns-1014.awsdns-62.net, ns-1109.awsdns-10.org, ns-13.awsdns-01.com, ns-1549.awsdns-01.co.uk-
udacity.comns-1014.awsdns-62.net, ns-1109.awsdns-10.org, ns-13.awsdns-01.com, ns-1549.awsdns-01.co.uk-
udacity.comns-1014.awsdns-62.net, ns-1109.awsdns-10.org, ns-13.awsdns-01.com, ns-1549.awsdns-01.co.uk-
udacity.comns-1014.awsdns-62.net, ns-1109.awsdns-10.org, ns-13.awsdns-01.com, ns-1549.awsdns-01.co.uk-
udacity.comns-1014.awsdns-62.net, ns-1109.awsdns-10.org, ns-13.awsdns-01.com, ns-1549.awsdns-01.co.uk-

✅ Authoritative Response

Server:205.251.198.13

NS records: ns-1014.awsdns-62.net, ns-1109.awsdns-10.org, ns-13.awsdns-01.com, ns-1549.awsdns-01.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for udacity.com (unsigned zone)

⏱️ Timing

Total: 1253ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1auth.udacity.com.cdn.cloudflare.net

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-13.awsdns-01.com, ns-13.awsdns-01.com)

Analysis

IP Addresses

auth.udacity.com has four IP addresses: 104.18.42.98, 172.64.145.158, 2606:4700:4408::6812:2a62 and 2a06:98c1:3109::ac40:919e.

2x.nz, mrst.space, muxueai.pro and two other host names share IP numbers with auth.udacity.com.