harlemcollege.com - robtex.com
harlemcollege.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 157.90.6.2🇩🇪 Hetzner157.90.0.0/16 HETZNER-DC | ||||||
| PTR | vad.vadecom.net | ||||||
| NS | ns1.vadecom.net ⭐ | ||||||
| A | 157.90.6.2🇩🇪 Hetzner157.90.0.0/16 HETZNER-DC | ||||||
| PTR | vad.vadecom.net | ||||||
| NS | ns2.vadecom.net | ||||||
| A | 157.90.6.2🇩🇪 Hetzner157.90.0.0/16 HETZNER-DC | ||||||
| PTR | vad.vadecom.net | ||||||
| MX | harlemcollege.com ⭐ | ||||||
| A | 157.90.6.2🇩🇪 Hetzner157.90.0.0/16 HETZNER-DC | ||||||
| PTR | vad.vadecom.net | ||||||
| TXT | v=spf1 +a +mx +ip4:157.90.6.2 +ip4:167.86.90.203 +ip4:37.48.127.142 ~all | ||||||
| SOA | ns1.vadecom.netroot@vadn.vadecom.net 2026-07-25 #1 | ||||||
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=1785774882 | ||||||
MX for
harlemcollege.com |
Same first word
harlemcollege.com |
DNS History
9 records (4 active, 5 former)
●NSns1.vadecom.net2015-05-22 → 2026-08-03 · 2 obs
● 2026-08-03 16:45:40
●NSns2.vadecom.net2015-05-22 → 2026-08-03 · 2 obs
● 2026-08-03 16:45:40
●MXharlemcollege.com2015-05-22 → 2026-08-03 · 2 obs
● 2026-08-03 16:45:40
●A157.90.6.22026-04-04 → 2026-08-03 · 3 obs
● 2026-04-04 11:35:36
● 2026-08-03 16:45:40
○A162.144.132.602017-02-07 → 2017-02-07 · 4 obs
● 2017-02-07 14:41:46
○ 2018-10-17 19:46:34
○ 2026-08-03 16:45:40
○A162.214.16.62018-10-17 → 2018-10-17 · 4 obs
● 2018-10-17 19:46:34
○ 2026-04-04 11:35:36
○ 2026-08-03 16:45:40
○A167.86.90.2032026-04-04 → 2026-08-03 · 2 obs
○ 2026-08-03 16:45:40
○A192.163.221.1342016-02-11 → 2016-07-01 · 5 obs
● 2016-02-11 09:18:00
● 2016-07-01 20:37:52
○ 2017-02-07 14:41:46
○ 2026-08-03 16:45:40
○A198.57.202.1372015-05-22 → 2015-05-22 · 3 obs
○ 2016-02-11 09:18:00
○ 2026-08-03 16:45:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net... | - |
| harlemcollege.com | ns1.vadecom.net, ns2.vadecom.net | - |
✅ Authoritative Response
Server:157.90.6.2
NS records: ns1.vadecom.net, ns2.vadecom.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for harlemcollege.com (unsigned zone)
⏱️ Timing
Total: 429ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.90.6.2 |
| NS | 2 | ns2.vadecom.net, ns1.vadecom.net |
| MX | 1 | harlemcollege.com (pri: 0) |
| TXT | 1 | v=spf1 +a +mx +ip4:157.90.6.2 +ip4:167.8 |
| SOA | 1 | ns1.vadecom.net root.vadn.vadecom.net |
Analysis
Mail Server Role
The MX record for harlemcollege.com points back to harlemcollege.com — it is its own mail server.
IP Addresses
harlemcollege.com directs to one IP number, which is 157.90.6.2.
Among the host names that share IP numbers with harlemcollege.com are mi-marble.com, alnakheelservice.com, tradehome-egy.com and two others.
Name Servers
harlemcollege.com is served by two delegated name servers, ns1.vadecom.net and ns2.vadecom.net.
harlemcollege.com has the same name server delegation as a number of other domains, such as ritec.co, zaikaki.com, elsfwa.com and two more.
ns1.vadecom.net and ns2.vadecom.net share one IP address between them — 157.90.6.2.
These two host names — ns1.vadecom.net and ns2.vadecom.net — each point to 157.90.6.2 IP addresses.
Mail Servers
The MX record for harlemcollege.com points to a single mail server: harlemcollege.com.
There is one IP number for harlemcollege.com: 157.90.6.2.