continuing-edu.com - dns.ninja

continuing-edu.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:341e🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:c29d🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.52.30Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.194.157🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSada.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a36🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRada.ns.cloudflare.com
A2803:f800:50::6ca2:c036🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRada.ns.cloudflare.com
A2a06:98c1:50::ac40:2036🇺🇸 Cloudflare2a06:98c1:50::/45
PTRada.ns.cloudflare.com
A108.162.192.54🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRada.ns.cloudflare.com
A172.64.32.54🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRada.ns.cloudflare.com
A173.245.58.54🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRada.ns.cloudflare.com
NSgraham.ns.cloudflare.com
A2606:4700:58::adf5:3bab🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgraham.ns.cloudflare.com
A2803:f800:50::6ca2:c1ab🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRgraham.ns.cloudflare.com
A2a06:98c1:50::ac40:21ab🇺🇸 Cloudflare2a06:98c1:50::/45
PTRgraham.ns.cloudflare.com
A108.162.193.171🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgraham.ns.cloudflare.com
A172.64.33.171🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgraham.ns.cloudflare.com
A173.245.59.171🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgraham.ns.cloudflare.com
MXsmtp-in1.thomsonlearning.com ⭐
A69.32.146.50🇺🇸 RoadRunner69.32.146.0/23 Proxy-registered route object for Cengage Learning Inc Attn Communications in CSO Mason, OH 45040
PTRsmtp-in1.nelson.com
PTRsmtp-in1.thomsonlearning.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.52.30, 172.67.194.157
IPv6 hints2606:4700:3033::6815:341e, 2606:4700:3035::ac43:c29d
SOAada.ns.cloudflare.comdns@cloudflare.com serial=2411077612

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=1786686444

Same first word

continuing-edu.com

DNS History

30 records (7 active, 23 former)

200920112013201520172019202120232025NSada.ns.cloudflare.comgraham.ns.cloudflare.comns1.cengage.netns2.cengage.netns51.1and1.comns52.1and1.comMXsmtp-in1.thomsonlearning.commx00.1and1.commx01.1and1.comA104.21.52.30172.67.194.1572606:4700:3033::6815:341e2606:4700:3035::ac43:c29d104.17.209.30104.17.210.30104.17.222.177104.17.223.177104.17.224.177104.17.225.177104.17.226.1772400:cb00:2048:1::6811:deb12400:cb00:2048:1::6811:dfb12400:cb00:2048:1::6811:e0b12400:cb00:2048:1::6811:e1b12400:cb00:2048:1::6811:e2b12606:4700::6811:d11e2606:4700::6811:d21e2606:4700:3033::ac43:c29d2606:4700:3036::6815:341e74.208.26.131
●NSada.ns.cloudflare.com2018-07-13 → 2026-08-14 · 3 obs
○ 2017-02-04 16:43:26
● 2018-07-13 02:08:44
● 2026-08-14 06:03:30
●NSgraham.ns.cloudflare.com2018-07-13 → 2026-08-14 · 3 obs
○ 2017-02-04 16:43:26
● 2018-07-13 02:08:44
● 2026-08-14 06:03:30
○NSns1.cengage.net2015-06-30 → 2017-02-04 · 5 obs
○ 2008-03-12 17:53:16
● 2015-06-30 05:58:36
● 2017-02-04 16:43:26
○ 2018-07-13 02:08:44
○ 2026-08-14 06:03:30
○NSns2.cengage.net2015-06-30 → 2017-02-04 · 5 obs
○ 2008-03-12 17:53:16
● 2015-06-30 05:58:36
● 2017-02-04 16:43:26
○ 2018-07-13 02:08:44
○ 2026-08-14 06:03:30
○NSns51.1and1.com2008-03-12 → 2008-03-12 · 3 obs
● 2008-03-12 17:53:16
○ 2015-06-30 05:58:36
○ 2026-08-14 06:03:30
○NSns52.1and1.com2008-03-12 → 2008-03-12 · 3 obs
● 2008-03-12 17:53:16
○ 2015-06-30 05:58:36
○ 2026-08-14 06:03:30
○MXmx00.1and1.com2008-03-12 → 2008-03-12 · 3 obs
● 2008-03-12 17:53:16
○ 2015-06-30 05:58:36
○ 2026-08-14 06:03:30
○MXmx01.1and1.com2008-03-12 → 2008-03-12 · 3 obs
● 2008-03-12 17:53:16
○ 2015-06-30 05:58:36
○ 2026-08-14 06:03:30
●MXsmtp-in1.thomsonlearning.com2015-06-30 → 2026-08-14 · 3 obs
○ 2008-03-12 17:53:16
● 2015-06-30 05:58:36
● 2026-08-14 06:03:30
○A104.17.209.302019-10-20 → 2019-10-20 · 4 obs
○ 2018-07-13 02:08:44
● 2019-10-20 00:25:20
○ 2026-02-14 16:10:50
○ 2026-08-14 06:03:30
○A104.17.210.302019-10-20 → 2019-10-20 · 4 obs
○ 2018-07-13 02:08:44
● 2019-10-20 00:25:20
○ 2026-02-14 16:10:50
○ 2026-08-14 06:03:30
○A104.17.222.1772018-07-13 → 2018-07-13 · 4 obs
○ 2015-06-30 05:58:36
● 2018-07-13 02:08:44
○ 2019-10-20 00:25:20
○ 2026-08-14 06:03:30
○A104.17.223.1772018-07-13 → 2018-07-13 · 4 obs
○ 2015-06-30 05:58:36
● 2018-07-13 02:08:44
○ 2019-10-20 00:25:20
○ 2026-08-14 06:03:30
○A104.17.224.1772018-07-13 → 2018-07-13 · 4 obs
○ 2015-06-30 05:58:36
● 2018-07-13 02:08:44
○ 2019-10-20 00:25:20
○ 2026-08-14 06:03:30
○A104.17.225.1772018-07-13 → 2018-07-13 · 4 obs
○ 2015-06-30 05:58:36
● 2018-07-13 02:08:44
○ 2019-10-20 00:25:20
○ 2026-08-14 06:03:30
○A104.17.226.1772018-07-13 → 2018-07-13 · 4 obs
○ 2015-06-30 05:58:36
● 2018-07-13 02:08:44
○ 2019-10-20 00:25:20
○ 2026-08-14 06:03:30
●A104.21.52.302026-02-14 → 2026-08-14 · 3 obs
○ 2019-10-20 00:25:20
● 2026-02-14 16:10:50
● 2026-08-14 06:03:30
●A172.67.194.1572026-02-14 → 2026-08-14 · 3 obs
○ 2019-10-20 00:25:20
● 2026-02-14 16:10:50
● 2026-08-14 06:03:30
○A2400:cb00:2048:1::6811:deb12018-07-13 → 2018-07-13 · 4 obs
○ 2015-06-30 05:58:36
● 2018-07-13 02:08:44
○ 2019-10-20 00:25:20
○ 2026-08-14 06:03:30
○A2400:cb00:2048:1::6811:dfb12018-07-13 → 2018-07-13 · 4 obs
○ 2015-06-30 05:58:36
● 2018-07-13 02:08:44
○ 2019-10-20 00:25:20
○ 2026-08-14 06:03:30
○A2400:cb00:2048:1::6811:e0b12018-07-13 → 2018-07-13 · 4 obs
○ 2015-06-30 05:58:36
● 2018-07-13 02:08:44
○ 2019-10-20 00:25:20
○ 2026-08-14 06:03:30
○A2400:cb00:2048:1::6811:e1b12018-07-13 → 2018-07-13 · 4 obs
○ 2015-06-30 05:58:36
● 2018-07-13 02:08:44
○ 2019-10-20 00:25:20
○ 2026-08-14 06:03:30
○A2400:cb00:2048:1::6811:e2b12018-07-13 → 2018-07-13 · 4 obs
○ 2015-06-30 05:58:36
● 2018-07-13 02:08:44
○ 2019-10-20 00:25:20
○ 2026-08-14 06:03:30
○A2606:4700::6811:d11e2019-10-20 → 2019-10-20 · 4 obs
○ 2018-07-13 02:08:44
● 2019-10-20 00:25:20
○ 2026-02-14 16:10:50
○ 2026-08-14 06:03:30
○A2606:4700::6811:d21e2019-10-20 → 2019-10-20 · 4 obs
○ 2018-07-13 02:08:44
● 2019-10-20 00:25:20
○ 2026-02-14 16:10:50
○ 2026-08-14 06:03:30
●A2606:4700:3033::6815:341e2026-08-14 → 2026-08-14 · 3 obs
○ 2026-02-14 16:10:50
● 2026-08-14 06:03:28
● 2026-08-14 06:03:30
○A2606:4700:3033::ac43:c29d2026-02-14 → 2026-02-14 · 4 obs
○ 2019-10-20 00:25:20
● 2026-02-14 16:10:50
○ 2026-08-14 06:03:28
○ 2026-08-14 06:03:30
●A2606:4700:3035::ac43:c29d2026-08-14 → 2026-08-14 · 3 obs
○ 2026-02-14 16:10:50
● 2026-08-14 06:03:28
● 2026-08-14 06:03:30
○A2606:4700:3036::6815:341e2026-02-14 → 2026-02-14 · 4 obs
○ 2019-10-20 00:25:20
● 2026-02-14 16:10:50
○ 2026-08-14 06:03:28
○ 2026-08-14 06:03:30
○A74.208.26.1312008-03-12 → 2008-03-12 · 3 obs
● 2008-03-12 17:53:16
○ 2015-06-30 05:58:36
○ 2026-08-14 06:03:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, e.gtld-servers.net, h.gtld-servers.net...-
continuing-edu.comada.ns.cloudflare.com, graham.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.171

NS records: ada.ns.cloudflare.com, graham.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for continuing-edu.com (unsigned zone)

⏱️ Timing

Total: 244ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.52.30, 172.67.194.157
AAAA22606:4700:3033::6815:341e, 2606:4700:3035::ac43:c29d
NS2ada.ns.cloudflare.com, graham.ns.cloudflare.com
MX1smtp-in1.thomsonlearning.com (pri: 5)
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1ada.ns.cloudflare.com dns.cloudflare.com

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ada.ns.cloudflare.com, ada.ns.cloudflare.com, ada.ns.cloudflare.com...)

Analysis

IP Addresses

continuing-edu.com resolves to four IP addresses: 104.21.52.30, 172.67.194.157, 2606:4700:3033::6815:341e and 2606:4700:3035::ac43:c29d.

Among the host names that share IP numbers with continuing-edu.com are legendaryroulette.com, fr-takedrivers.com, crie.org.br and two others.

Name Servers

continuing-edu.com has two authoritative name servers — ada.ns.cloudflare.com and graham.ns.cloudflare.com.

continuing-edu.com has the same name server delegation as a number of other domains, such as integritycomp.com, southland.com.au, besttips.in and two more.

continuing-edu.com has at least partial name server overlap with other domains, such as poker-corona.com, pacificmotorservice.com, 83maoak.com and two others.

These name servers tend to appear together with the name servers june.ns.cloudflare.com, syeef.ns.cloudflare.com and clay.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

ada.ns.cloudflare.com points to 108.162.192.54, 172.64.32.54, 173.245.58.54 and 3 other IP addresses.

graham.ns.cloudflare.com points to 108.162.193.171, 172.64.33.171, 173.245.59.171 and 3 other IP addresses.

Mail Servers

continuing-edu.com routes its mail through a single mail server, smtp-in1.thomsonlearning.com.

continuing-edu.com has the same mail server arrangement as a number of other domains, for example pennfosterbookstore.info, workforcedevelopment.com, fin4me.net and two more.

smtp-in1.thomsonlearning.com points to one IP number — 69.32.146.50.