altteaching.org - robtex.com

altteaching.org

DNSSEC⚠️ Not signed
A34.215.164.78🇺🇸 Amazon34.208.0.0/12 EC2 PDX prefix
PTRec2-34-215-164-78.us-west-2.compute.amazonaws.com
NSns-1632.awsdns-12.co.uk ⭐
A2600:9000:5306:6000::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront
PTRns-1632.awsdns-12.co.uk
A205.251.198.96🇺🇸 Amazon205.251.198.0/24 prefix
PTRns-1632.awsdns-12.co.uk
NSns-1134.awsdns-13.org
A2600:9000:5304:6e00::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront
PTRns-1134.awsdns-13.org
A205.251.196.110🇺🇸 Amazon205.251.196.0/24 prefix
PTRns-1134.awsdns-13.org
NSns-252.awsdns-31.com
A2600:9000:5300:fc00::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront
PTRns-252.awsdns-31.com
A205.251.192.252🇺🇸 Amazon205.251.192.0/24 prefix
PTRns-252.awsdns-31.com
NSns-833.awsdns-40.net
A2600:9000:5303:4100::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront
PTRns-833.awsdns-40.net
A205.251.195.65🇺🇸 Amazon205.251.195.0/24 prefix
PTRns-833.awsdns-40.net
MXaltteaching-org.mail.protection.outlook.com ⭐
A2a01:111:f403:c922::2🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-bl0pr02cu00702.inbound.protection.outlook.com
A2a01:111:f403:c92c::1🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-dm6pr03cu00401.inbound.protection.outlook.com
A2a01:111:f403:c92c::3🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-dm5pr04cu00103.inbound.protection.outlook.com
A2a01:111:f403:f90d::🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-sn1pr0501cu00200.inbound.protection.outlook.com
A52.101.9.11🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-bl2pr04cu00103.inbound.protection.outlook.com
A52.101.11.3🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sn1pr0501cu00103.inbound.protection.outlook.com
A52.101.42.14🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-mw2pr04cu00106.inbound.protection.outlook.com
A52.101.194.13🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-ch0pr04cu00605.inbound.protection.outlook.com
TXTv=spf1 include:spf.protection.outlook.com include:servers.mcsv.net -all
SOAns-1632.awsdns-12.co.ukawsdns-hostmaster@amazon.com serial=1

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1773551953

Same first word

altteaching.org
altteaching.com

DNS History

14 records (6 active, 8 former)

20162017201820192020202120222023202420252026NSns-1134.awsdns-13.orgns-1632.awsdns-12.co.ukns-252.awsdns-31.comns-833.awsdns-40.netns41.domaincontrol.comns42.domaincontrol.comMXaltteaching-org.mail.protection.outlook.commailstore1.secureserver.netsmtp.secureserver.netA34.215.164.7850.63.202.750.63.71.152.11.46.12652.37.106.115
●NSns-1134.awsdns-13.org2026-03-21 → 2026-03-22 · 3 obs
○ 2017-11-12 09:14:28
● 2026-03-21 06:45:48
● 2026-03-22 02:52:36
●NSns-1632.awsdns-12.co.uk2026-03-21 → 2026-03-22 · 3 obs
○ 2017-11-12 09:14:28
● 2026-03-21 06:45:48
● 2026-03-22 02:52:36
●NSns-252.awsdns-31.com2026-03-21 → 2026-03-22 · 3 obs
○ 2017-11-12 09:14:28
● 2026-03-21 06:45:48
● 2026-03-22 02:52:36
●NSns-833.awsdns-40.net2026-03-21 → 2026-03-22 · 3 obs
○ 2017-11-12 09:14:28
● 2026-03-21 06:45:48
● 2026-03-22 02:52:36
○NSns41.domaincontrol.com2015-08-09 → 2017-11-12 · 4 obs
● 2015-08-09 17:50:52
● 2017-11-12 09:14:28
○ 2026-03-21 06:45:48
○ 2026-03-22 02:52:36
○NSns42.domaincontrol.com2015-08-09 → 2017-11-12 · 4 obs
● 2015-08-09 17:50:52
● 2017-11-12 09:14:28
○ 2026-03-21 06:45:48
○ 2026-03-22 02:52:36
●MXaltteaching-org.mail.protection.outlook.com2016-01-11 → 2026-03-22 · 3 obs
○ 2015-12-03 18:18:42
● 2016-01-11 14:58:38
● 2026-03-22 02:52:36
○MXmailstore1.secureserver.net2015-08-09 → 2015-12-03 · 4 obs
● 2015-08-09 17:50:52
● 2015-12-03 18:18:42
○ 2016-01-11 14:58:38
○ 2026-03-22 02:52:36
○MXsmtp.secureserver.net2015-08-09 → 2015-12-03 · 4 obs
● 2015-08-09 17:50:52
● 2015-12-03 18:18:42
○ 2016-01-11 14:58:38
○ 2026-03-22 02:52:36
●A34.215.164.782026-03-21 → 2026-03-22 · 3 obs
○ 2017-11-12 09:14:28
● 2026-03-21 06:45:48
● 2026-03-22 02:52:36
○A50.63.202.72016-03-22 → 2016-04-03 · 5 obs
○ 2016-02-10 21:29:06
● 2016-03-22 00:58:52
● 2016-04-03 15:58:30
○ 2016-05-05 13:51:20
○ 2026-03-22 02:52:36
○A50.63.71.12015-08-09 → 2016-02-10 · 4 obs
● 2015-08-09 17:50:52
● 2016-02-10 21:29:06
○ 2016-03-22 00:58:52
○ 2026-03-22 02:52:36
○A52.11.46.1262016-05-05 → 2016-10-25 · 5 obs
○ 2016-04-03 15:58:30
● 2016-05-05 13:51:20
● 2016-10-25 06:35:54
○ 2017-11-12 09:14:28
○ 2026-03-22 02:52:36
○A52.37.106.1152017-11-12 → 2017-11-12 · 4 obs
○ 2016-10-25 06:35:54
● 2017-11-12 09:14:28
○ 2026-03-21 06:45:48
○ 2026-03-22 02:52:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgd0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org-
altteaching.orgns-1632.awsdns-12.co.uk, ns-1134.awsdns-13.org, ns-833.awsdns-40.net, ns-252.awsdns-31.com1 record

✅ Authoritative Response

Server: 205.251.196.110

NS records: ns-1632.awsdns-12.co.uk, ns-1134.awsdns-13.org, ns-833.awsdns-40.net, ns-252.awsdns-31.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for altteaching.org (unsigned zone)

⏱️ Timing

Total: 595ms | Queries: -

📄 Records

TypeCountSample Data
A134.215.164.78
NS4ns-1134.awsdns-13.org, ns-1632.awsdns-12.co.uk...
MX1altteaching-org.mail.protection.outlook.
TXT1v=spf1 include:spf.protection.outlook.co
SOA1ns-1632.awsdns-12.co.uk awsdns-hostmaste

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-1134.awsdns-13.org)

Analysis

IP Addresses

altteaching.org resolves to a single IP: 34.215.164.78.

Other host names, for instance, altteaching.com and ec2-34-215-164-78.us-west-2.compute.amazonaws.com share IP numbers with altteaching.org.

Name Servers

altteaching.org is delegated to four name servers: ns-252.awsdns-31.com, ns-833.awsdns-40.net, ns-1134.awsdns-13.org and ns-1632.awsdns-12.co.uk.

altteaching.org shares some name servers with other domains, for example d1u2ptmwnvuqt8.cloudfront.net, getflow.link, biz-img.net, cescolifecare.co.kr and justinbieberdetroit.com.

These name servers are often used together with ns-488.awsdns-61.com, ns-782.awsdns-33.net and ns-1851.awsdns-39.co.uk.

Host names with two IP numbers

Two IPs per host:

ns-252.awsdns-31.com points to 2600:9000:5300:fc00::1 and 205.251.192.252

ns-833.awsdns-40.net points to 2600:9000:5303:4100::1 and 205.251.195.65

ns-1134.awsdns-13.org points to 2600:9000:5304:6e00::1 and 205.251.196.110

ns-1632.awsdns-12.co.uk points to 2600:9000:5306:6000::1 and 205.251.198.96

Mail Servers

altteaching.org is handled by a single mail server, altteaching-org.mail.protection.outlook.com.

Host altteaching-org.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c922::2, 2a01:111:f403:c92c::1, 2a01:111:f403:c92c::3, 2a01:111:f403:f90d::, 52.101.9.11, 52.101.11.3, 52.101.42.14 and 52.101.194.13.