courseadvisers.com - robtex.com
courseadvisers.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=1778393556 | ||||||
Same first word
courseadvisers.com |
Similar names
DNS History
8 records (8 active, 0 former)
●NSns1036.ui-dns.com2026-03-06 → 2026-05-10 · 2 obs
● 2026-05-10 06:26:34
●NSns1091.ui-dns.biz2026-03-06 → 2026-05-10 · 2 obs
● 2026-05-10 06:26:34
●NSns1098.ui-dns.org2026-03-06 → 2026-05-10 · 2 obs
● 2026-05-10 06:26:34
●MXmx00.ionos.co.uk2026-03-06 → 2026-05-10 · 2 obs
● 2026-05-10 06:26:34
●MXmx01.ionos.co.uk2026-03-06 → 2026-05-10 · 2 obs
● 2026-05-10 06:26:34
●A2001:8d8:100f:f000::2002026-03-06 → 2026-05-10 · 2 obs
● 2026-05-10 06:26:34
●A217.160.0.952026-03-06 → 2026-05-10 · 2 obs
● 2026-05-10 06:26:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, e.gtld-servers.net, c.gtld-servers.net, m.gtld-servers.net... | - |
| courseadvisers.com | ns1091.ui-dns.biz, ns1098.ui-dns.de, ns1098.ui-dns.org, ns1036.ui-dns.com | 2 records |
✅ Authoritative Response
Server:217.160.80.98
NS records: ns1091.ui-dns.biz, ns1098.ui-dns.de, ns1098.ui-dns.org, ns1036.ui-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for courseadvisers.com (unsigned zone)
⏱️ Timing
Total: 530ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.160.0.95 |
| AAAA | 1 | 2001:8d8:100f:f000::200 |
| NS | 4 | ns1091.ui-dns.biz, ns1036.ui-dns.com... |
| MX | 2 | mx01.ionos.co.uk (pri: 10), mx00.ionos.co.uk (pri: 10) |
| TXT | 1 | v=spf1 include:_spf-eu.ionos.com ~all |
| SOA | 1 | ns1098.ui-dns.org hostmaster.1und1.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1036.ui-dns.com, ns1036.ui-dns.com)
Analysis
IP Addresses
Two IP numbers are pointed to by courseadvisers.com: 2001:8d8:100f:f000::200 and 217.160.0.95.
other host names include vonderduesterbeck.de, www.golfels.com, theisen.email, in2haus.de and p-roc.eu; they share IP numbers with courseadvisers.com.
Name Servers
courseadvisers.com delegates to four name servers: ns1091.ui-dns.biz, ns1036.ui-dns.com, ns1098.ui-dns.de and ns1098.ui-dns.org.
courseadvisers.com at least partially shares name servers with other domains, for instance cunaki.de, toneladder.com, northamericanowls.com, rocksolid.org.uk and tasksheets.co.uk.
these name servers are commonly used with ns1098.ui-dns.biz, ns1098.ui-dns.com, ns1036.ui-dns.biz, ns1036.ui-dns.de, ns1036.ui-dns.org, ns1067.ui-dns.de, ns1076.ui-dns.com, ns1047.ui-dns.org, ns1091.ui-dns.com and ns1091.ui-dns.de.
Host names with two IP numbers: ns1091.ui-dns.biz points to 2001:8d8:fe:53:0:d9a0:515b:100 and 217.160.81.91; ns1036.ui-dns.com points to 2001:8d8:fe:53:0:d9a0:5224:100 and 217.160.82.36; ns1098.ui-dns.de points to 2607:f1c0:fe:53:185:132:32:98 and 217.160.80.98; ns1098.ui-dns.org points to 2001:8d8:fe:53:0:d9a0:5362:100 and 217.160.83.98.
Mail Servers
courseadvisers.com is handled by two mail servers: mx00.ionos.co.uk and mx01.ionos.co.uk.
courseadvisers.com uses the same mail server setup as other domains, for instance justposhart.com, x35.co.uk, westacrepark.com, nicholls.email and energyrecovery.co.uk.
Host names with one IP:
mx00.ionos.co.uk points to: 212.227.15.41
mx01.ionos.co.uk points to: 217.72.192.67