selfcourse.com - dns.ninja

selfcourse.com

DNSSEC⚠️ Not signed
A172.102.240.42🇺🇸 OIA-EDGE-AS-01172.102.240.0/21 Ontario Data Center IPv4 Allocated Block 350 S. Milliken Ave Ste E Ontario CA 91761 United States
PTRns1.five-ten-sg.com
NSns1.five-ten-sg.com ⭐
A172.102.240.42🇺🇸 OIA-EDGE-AS-01172.102.240.0/21 Ontario Data Center IPv4 Allocated Block 350 S. Milliken Ave Ste E Ontario CA 91761 United States
PTRns1.five-ten-sg.com
NSns.five-ten-sg.com
A172.102.240.82🇺🇸 OIA-EDGE-AS-01172.102.240.0/21 Ontario Data Center IPv4 Allocated Block 350 S. Milliken Ave Ste E Ontario CA 91761 United States
PTRns.five-ten-sg.com
NSns4.five-ten-sg.com
A75.140.46.51🇺🇸 Charter_Communications75.140.32.0/20
PTRsyn-075-140-046-051.biz.spectrum.com
TXTv=spf1 -all
SOAns.five-ten-sg.comwade@routerdog.com 2024-01-09 #10

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=1782948666

Same first word

selfcourse.com

Similar names

selfsource.com

DNS History

18 records (4 active, 14 former)

20162017201820192020202120222023202420252026NSns.five-ten-sg.comns1.five-ten-sg.comns4.five-ten-sg.combuy.internettraffic.comdns1.name-services.comdns2.name-services.comdns3.name-services.comdns4.name-services.comdns5.name-services.comns1.uniregistrymarket.linkns2.uniregistrymarket.linksell.internettraffic.comMX.p.nsm.ctmail.comA172.102.240.4269.172.201.15369.172.201.2088.5.1.37
○NSbuy.internettraffic.com2015-05-27 → 2016-01-19 · 4 obs
● 2015-05-27 20:14:28
● 2016-01-19 02:47:04
○ 2016-04-19 22:10:24
○ 2026-07-02 00:01:04
○NSdns1.name-services.com2016-04-19 → 2016-04-19 · 4 obs
○ 2016-01-19 02:47:04
● 2016-04-19 22:10:24
○ 2016-12-07 18:52:26
○ 2026-07-02 00:01:04
○NSdns2.name-services.com2016-04-19 → 2016-04-19 · 4 obs
○ 2016-01-19 02:47:04
● 2016-04-19 22:10:24
○ 2016-12-07 18:52:26
○ 2026-07-02 00:01:04
○NSdns3.name-services.com2016-04-19 → 2016-04-19 · 4 obs
○ 2016-01-19 02:47:04
● 2016-04-19 22:10:24
○ 2016-12-07 18:52:26
○ 2026-07-02 00:01:04
○NSdns4.name-services.com2016-04-19 → 2016-04-19 · 4 obs
○ 2016-01-19 02:47:04
● 2016-04-19 22:10:24
○ 2016-12-07 18:52:26
○ 2026-07-02 00:01:04
○NSdns5.name-services.com2016-04-19 → 2016-04-19 · 4 obs
○ 2016-01-19 02:47:04
● 2016-04-19 22:10:24
○ 2016-12-07 18:52:26
○ 2026-07-02 00:01:04
●NSns.five-ten-sg.com2026-04-03 → 2026-07-02 · 3 obs
○ 2017-07-04 09:57:28
● 2026-04-03 01:50:30
● 2026-07-02 00:01:04
●NSns1.five-ten-sg.com2026-04-03 → 2026-07-02 · 3 obs
○ 2017-07-04 09:57:28
● 2026-04-03 01:50:30
● 2026-07-02 00:01:04
○NSns1.uniregistrymarket.link2016-12-07 → 2017-07-04 · 5 obs
○ 2016-04-19 22:10:24
● 2016-12-07 18:52:26
● 2017-07-04 09:57:28
○ 2026-04-03 01:50:30
○ 2026-07-02 00:01:04
○NSns2.uniregistrymarket.link2016-12-07 → 2017-07-04 · 5 obs
○ 2016-04-19 22:10:24
● 2016-12-07 18:52:26
● 2017-07-04 09:57:28
○ 2026-04-03 01:50:30
○ 2026-07-02 00:01:04
●NSns4.five-ten-sg.com2026-04-03 → 2026-07-02 · 3 obs
○ 2017-07-04 09:57:28
● 2026-04-03 01:50:30
● 2026-07-02 00:01:04
○NSsell.internettraffic.com2015-05-27 → 2016-01-19 · 4 obs
● 2015-05-27 20:14:28
● 2016-01-19 02:47:04
○ 2016-04-19 22:10:24
○ 2026-07-02 00:01:04
○MX.2026-04-03 → 2026-07-02 · 2 obs
○ 2026-04-03 01:50:30
○ 2026-07-02 00:01:04
○MXp.nsm.ctmail.com2016-04-19 → 2016-04-19 · 3 obs
● 2016-04-19 22:10:24
○ 2016-12-07 18:52:26
○ 2026-07-02 00:01:04
●A172.102.240.422026-04-03 → 2026-07-02 · 3 obs
○ 2017-07-04 09:57:28
● 2026-04-03 01:50:30
● 2026-07-02 00:01:04
○A69.172.201.1532016-12-07 → 2017-07-04 · 5 obs
○ 2016-04-19 22:10:24
● 2016-12-07 18:52:26
● 2017-07-04 09:57:28
○ 2026-04-03 01:50:30
○ 2026-07-02 00:01:04
○A69.172.201.2082015-05-27 → 2016-01-19 · 4 obs
● 2015-05-27 20:14:28
● 2016-01-19 02:47:04
○ 2016-04-19 22:10:24
○ 2026-07-02 00:01:04
○A8.5.1.372016-04-19 → 2016-04-19 · 4 obs
○ 2016-01-19 02:47:04
● 2016-04-19 22:10:24
○ 2016-12-07 18:52:26
○ 2026-07-02 00:01:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
selfcourse.comns.five-ten-sg.com, ns1.five-ten-sg.com, ns4.five-ten-sg.com3 records

✅ Authoritative Response

Server:172.102.240.82

NS records: ns.five-ten-sg.com, ns1.five-ten-sg.com, ns4.five-ten-sg.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for selfcourse.com (unsigned zone)

⏱️ Timing

Total: 604ms | Queries: -

📄 Records

TypeCountSample Data
A1172.102.240.42
NS3ns.five-ten-sg.com, ns4.five-ten-sg.com...
MX1. (pri: 0)
TXT1v=spf1 -all
SOA1ns.five-ten-sg.com wade.routerdog.com

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns.five-ten-sg.com, ns1.five-ten-sg.com, ns4.five-ten-sg.com)

Analysis

IP Addresses

selfcourse.com points to a single IP number: 172.102.240.42.

Additional host names — surfacepoint.com, movierun.com, run3d.com and two others — share IP numbers with selfcourse.com.

Name Servers

DNS for selfcourse.com is handled by three authoritative name servers: ns1.five-ten-sg.com, ns4.five-ten-sg.com and ns.five-ten-sg.com.

selfcourse.com has at least partial name server overlap with other domains, such as materialcosts.com, rxsupplycentral.com, digitaltronic.com and two others.

ns1.five-ten-sg.com, ns4.five-ten-sg.com and ns.five-ten-sg.com all have one IP address each — ns1.five-ten-sg.com directs to 172.102.240.42, ns4.five-ten-sg.com directs to 75.140.46.51 and ns.five-ten-sg.com directs to 172.102.240.82.