corecollege.com - robtex.com
corecollege.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1771291435 | ||||||
Same first word
corecollege.com |
Similar names
DNS History
21 records (9 active, 12 former)
●NSjermaine.ns.cloudflare.com2026-02-23 → 2026-02-23 · 3 obs
● 2026-02-23 21:30:52
● 2026-02-23 21:30:54
●NSjoyce.ns.cloudflare.com2026-02-23 → 2026-02-23 · 3 obs
● 2026-02-23 21:30:52
● 2026-02-23 21:30:54
○NSns1.namebrightdns.com2015-08-18 → 2017-04-04 · 7 obs
● 2015-08-18 09:42:28
○ 2015-12-05 11:11:42
● 2016-03-11 09:31:46
● 2017-04-04 21:04:20
○ 2026-02-23 21:30:52
○ 2026-02-23 21:30:54
○NSns2.namebrightdns.com2015-08-18 → 2017-04-04 · 5 obs
● 2015-08-18 09:42:28
● 2017-04-04 21:04:20
○ 2026-02-23 21:30:52
○ 2026-02-23 21:30:54
○NSnsg1.namebrightdns.com2015-12-05 → 2015-12-05 · 4 obs
● 2015-12-05 11:11:42
○ 2016-03-11 09:31:46
○ 2026-02-23 21:30:54
○NSpns1.trellian.com2008-03-13 → 2008-03-13 · 3 obs
○ 2015-08-18 09:42:28
○ 2026-02-23 21:30:54
○NSpns2.trellian.com2008-03-13 → 2008-03-13 · 3 obs
○ 2015-08-18 09:42:28
○ 2026-02-23 21:30:54
○MXmail1.namebrightmail.com2015-12-05 → 2016-07-14 · 4 obs
● 2016-07-14 20:42:30
○ 2017-04-04 21:04:20
○ 2026-02-23 21:30:54
○MXmail2.namebrightmail.com2015-12-05 → 2016-07-14 · 4 obs
● 2016-07-14 20:42:30
○ 2017-04-04 21:04:20
○ 2026-02-23 21:30:54
●MXmx10.antispam.mailspamprotection.com2026-02-23 → 2026-02-23 · 3 obs
● 2026-02-23 21:30:52
● 2026-02-23 21:30:54
●MXmx20.antispam.mailspamprotection.com2026-02-23 → 2026-02-23 · 3 obs
● 2026-02-23 21:30:52
● 2026-02-23 21:30:54
●MXmx30.antispam.mailspamprotection.com2026-02-23 → 2026-02-23 · 3 obs
● 2026-02-23 21:30:52
● 2026-02-23 21:30:54
●A104.21.7.2292026-02-23 → 2026-02-23 · 3 obs
● 2026-02-23 21:30:52
● 2026-02-23 21:30:54
●A172.67.188.182026-02-23 → 2026-02-23 · 3 obs
● 2026-02-23 21:30:52
● 2026-02-23 21:30:54
○A216.188.26.2352008-03-13 → 2008-03-13 · 3 obs
○ 2015-08-18 09:42:28
○ 2026-02-23 21:30:54
●A2606:4700:3031::ac43:bc122026-02-23 → 2026-02-23 · 3 obs
● 2026-02-23 21:30:52
● 2026-02-23 21:30:54
●A2606:4700:3035::6815:7e52026-02-23 → 2026-02-23 · 3 obs
● 2026-02-23 21:30:52
● 2026-02-23 21:30:54
○A54.174.31.2542015-08-18 → 2015-08-18 · 4 obs
● 2015-08-18 09:42:28
○ 2026-02-23 21:30:52
○ 2026-02-23 21:30:54
○A54.175.122.202015-12-05 → 2016-07-14 · 5 obs
● 2015-12-05 11:11:42
● 2016-07-14 20:42:30
○ 2026-02-23 21:30:52
○ 2026-02-23 21:30:54
○A54.208.74.2152015-08-18 → 2015-08-18 · 4 obs
● 2015-08-18 09:42:28
○ 2026-02-23 21:30:52
○ 2026-02-23 21:30:54
○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-08-18 → 2015-08-18 · 4 obs
● 2015-08-18 09:42:28
○ 2015-12-05 11:11:42
○ 2026-02-23 21:30:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, g.gtld-servers.net, f.gtld-servers.net, k.gtld-servers.net... | - |
| corecollege.com | joyce.ns.cloudflare.com, jermaine.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server: 108.162.194.14
NS records: joyce.ns.cloudflare.com, jermaine.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for corecollege.com (unsigned zone)
⏱️ Timing
Total: 131ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.188.18, 104.21.7.229 |
| AAAA | 2 | 2606:4700:3035::6815:7e5, 2606:4700:3031::ac43:bc12 |
| NS | 2 | jermaine.ns.cloudflare.com, joyce.ns.cloudflare.com |
| MX | 3 | mx10.antispam.mailspamprotection.com (pr, mx20.antispam.mailspamprotection.com (pr... |
| TXT | 1 | v=spf1 +a +mx +a:evm750.sgvps.net includ |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | jermaine.ns.cloudflare.com dns.cloudflar |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (joyce.ns.cloudflare.com, joyce.ns.cloudflare.com, joyce.ns.cloudflare.com...)
AI analysis
corecollege.com points to four IP numbers: 2606:4700:3031::ac43:bc12, 2606:4700:3035::6815:7e5, 104.21.7.229 and 172.67.188.18.
Other host names including energythai.com, www.blackbeardenali.com, dmbox.cn, www.stalbans.gov.uk and securepayments.info share IP numbers with corecollege.com.
corecollege.com's delegation uses two name servers, jermaine.ns.cloudflare.com and joyce.ns.cloudflare.com.
corecollege.com shares the same name server setup as other domains, for example inter-courses.com, ladybanker.com, clarkmasterson.com, cubephilosophy.com and blueskyphilanthropy.com.
corecollege.com at least partially shares name servers with other domains, including zantero.cfd, casio.london, hbgdf.com, odaportal.workers.dev and biztems.com.
these name servers are commonly used together with dalary.ns.cloudflare.com, jeremy.ns.cloudflare.com and marvin.ns.cloudflare.com.
Host names with six IP numbers:
jermaine.ns.cloudflare.com points to: 2606:4700:58::a29f:2c9d, 2803:f800:50::6ca2:c39d, 2a06:98c1:50::ac40:239d, 108.162.195.157, 162.159.44.157 and 172.64.35.157.
joyce.ns.cloudflare.com points to: 2606:4700:50::a29f:260e, 2803:f800:50::6ca2:c20e, 2a06:98c1:50::ac40:220e, 108.162.194.14, 162.159.38.14 and 172.64.34.14.
corecollege.com is handled by three mail servers: mx10.antispam.mailspamprotection.com, mx20.antispam.mailspamprotection.com and mx30.antispam.mailspamprotection.com.
The mail servers for corecollege.com are shared with other domains, for instance lisciocomelolio.com, franfranco.com, k99.it, askavocalcoach.com and bruckartfamily.com.
Hostnames with a single IP:
mx10.antispam.mailspamprotection.com points to: 34.149.79.66.
mx20.antispam.mailspamprotection.com points to: 34.120.156.61.
mx30.antispam.mailspamprotection.com points to: 34.111.121.216.