kernel.edu - robtex.com
kernel.edu
edu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.edu-servers.net ⭐ | ||||||
| NS | b.edu-servers.net | ||||||
| NS | c.edu-servers.net | ||||||
| NS | d.edu-servers.net | ||||||
| NS | e.edu-servers.net | ||||||
| NS | f.edu-servers.net | ||||||
| NS | g.edu-servers.net | ||||||
| NS | h.edu-servers.net | ||||||
| NS | i.edu-servers.net | ||||||
| NS | j.edu-servers.net | ||||||
| NS | k.edu-servers.net | ||||||
| NS | l.edu-servers.net | ||||||
| NS | m.edu-servers.net | ||||||
| SOA | a.edu-servers.netnstld@verisign-grs.com serial=1783087746 | ||||||
Previously MX for
kernel.edu |
Subdomains
Same first word
Similar names
DNS History
18 records (4 active, 14 former)
○NScpns1.hostingmetro.com2015-05-05 → 2015-05-05 · 3 obs
○ 2015-10-10 17:36:48
○ 2026-07-03 14:33:38
○NScpns2.hostingmetro.com2015-05-05 → 2015-05-05 · 3 obs
○ 2015-10-10 17:36:48
○ 2026-07-03 14:33:38
●NSns1.domain.com2026-02-20 → 2026-07-03 · 3 obs
● 2026-02-20 01:12:08
● 2026-07-03 14:33:38
○NSns1.giowm1301.siteground.biz2021-06-30 → 2021-06-30 · 4 obs
● 2021-06-30 00:46:12
○ 2026-02-20 01:12:08
○ 2026-07-03 14:33:38
○NSns1.ipage.com2016-12-02 → 2021-06-30 · 5 obs
● 2016-12-02 07:53:48
● 2021-06-30 00:46:12
○ 2026-02-20 01:12:08
○ 2026-07-03 14:33:38
○NSns1.servconfig.com2015-10-10 → 2016-07-18 · 5 obs
● 2015-10-10 17:36:48
● 2016-07-18 05:26:18
○ 2016-12-02 07:53:48
○ 2026-07-03 14:33:38
●NSns2.domain.com2026-02-20 → 2026-07-03 · 3 obs
● 2026-02-20 01:12:08
● 2026-07-03 14:33:38
○NSns2.ipage.com2016-12-02 → 2021-06-30 · 5 obs
● 2016-12-02 07:53:48
● 2021-06-30 00:46:12
○ 2026-02-20 01:12:08
○ 2026-07-03 14:33:38
○NSns2.servconfig.com2015-10-10 → 2016-07-18 · 5 obs
● 2015-10-10 17:36:48
● 2016-07-18 05:26:18
○ 2016-12-02 07:53:48
○ 2026-07-03 14:33:38
○MXkernel.edu2015-05-05 → 2016-07-18 · 4 obs
● 2016-07-18 05:26:18
○ 2016-12-02 07:53:48
○ 2026-07-03 14:33:38
○MXmx.kernel.edu2016-12-02 → 2021-06-30 · 5 obs
● 2016-12-02 07:53:48
● 2021-06-30 00:46:12
○ 2026-02-20 01:12:08
○ 2026-07-03 14:33:38
●MXsmtp.google.com2026-02-20 → 2026-07-03 · 6 obs
● 2026-02-20 01:12:08
● 2026-06-09 12:16:18
○ 2026-06-12 10:21:26
● 2026-06-13 00:47:50
● 2026-07-03 14:33:38
○A104.244.124.1252015-10-10 → 2016-07-18 · 5 obs
● 2015-10-10 17:36:48
● 2016-07-18 05:26:18
○ 2016-12-02 07:53:48
○ 2026-07-03 14:33:38
○A107.154.157.322016-12-02 → 2018-01-29 · 5 obs
● 2016-12-02 07:53:48
● 2018-01-29 11:19:44
○ 2021-06-30 00:46:12
○ 2026-07-03 14:33:38
○A107.154.164.322016-12-02 → 2018-01-29 · 5 obs
● 2016-12-02 07:53:48
● 2018-01-29 11:19:44
○ 2021-06-30 00:46:12
○ 2026-07-03 14:33:38
○A50.87.42.2332015-05-05 → 2015-05-05 · 3 obs
○ 2015-10-10 17:36:48
○ 2026-07-03 14:33:38
●A51.79.82.92026-02-20 → 2026-07-03 · 3 obs
● 2026-02-20 01:12:08
● 2026-07-03 14:33:38
○A66.96.147.1982021-06-30 → 2021-06-30 · 4 obs
● 2021-06-30 00:46:12
○ 2026-02-20 01:12:08
○ 2026-07-03 14:33:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| edu | d.edu-servers.net, b.edu-servers.net, f.edu-servers.net, h.edu-servers.net... | - |
| kernel.edu | ns2.domain.com, ns1.domain.com | - |
✅ Authoritative Response
Server:172.64.52.73
NS records: ns2.domain.com, ns1.domain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kernel.edu (unsigned zone)
⏱️ Timing
Total: 440ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 51.79.82.9 |
| NS | 2 | ns2.domain.com, ns1.domain.com |
| MX | 1 | smtp.google.com (pri: 1) |
| TXT | 1 | google-site-verification=ypz2vQhvnWEI8YH |
| SOA | 1 | NS1.DOMAIN.COM dnsadmin@domain.COM |
Analysis
Hierarchy
kernel.edu is the parent domain of www.kernel.edu and mx.kernel.edu.
IP Addresses
kernel.edu points to a single IP number: 51.79.82.9.
Additional host names — mail.korea91.com, ns569547.ip-51-79-82.net, mx.kernel.edu and two others — share IP numbers with kernel.edu.
Name Servers
kernel.edu uses two name servers for its delegation: ns1.domain.com and ns2.domain.com.
kernel.edu shares its name server setup with other domains, including g3gun.com, outofsightsportsman.com, bjj.wiki and two others.
kernel.edu partially shares its NS delegation with several other domains, including avatrans.com, binarium15.com, belltechrepair.com and two others.
These name servers regularly co-occur with the name servers ns1.yourhostingaccount.com, ns2.yourhostingaccount.com and ns3.domain.com.
ns1.domain.com resolves to 172.64.52.73. ns2.domain.com resolves to 172.64.53.117. Both host names point to a single IP number.
Mail Servers
kernel.edu has one mail server: smtp.google.com.
kernel.edu shares the same mail server setup as other domains, including ring-tone.it, tndm.org, iwens.co.kr and two others.
kernel.edu shares mail servers — at least in part — with other domains, including ophthall.in, capitaltruck.net, adventureplus.co and two others.
smtp.google.com points to 9 IP numbers: 142.250.31.26, 172.253.63.26, 172.253.63.27 and 6 other.