optusource.com - robtex.com
optusource.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=1783842737 | ||||||
Same first word
optusource.com |
Similar names
cepourtous.eu |
cepourtous.info |
cepourtous.fr |
cepourtous.mobi |
cepourtous.com |
cepourtous.name |
cepourtous.tv |
cepourtous.net |
coutosuper.com |
coutosuper.pt |
DNS History
12 records (7 active, 5 former)
●NSns1036.ui-dns.biz2026-03-06 → 2026-07-12 · 3 obs
● 2026-03-06 05:19:48
● 2026-07-12 08:15:42
●NSns1036.ui-dns.com2026-03-06 → 2026-07-12 · 3 obs
● 2026-03-06 05:19:48
● 2026-07-12 08:15:42
●NSns1036.ui-dns.de2026-03-06 → 2026-07-12 · 3 obs
● 2026-03-06 05:19:48
● 2026-07-12 08:15:42
●NSns1036.ui-dns.org2026-03-06 → 2026-07-12 · 3 obs
● 2026-03-06 05:19:48
● 2026-07-12 08:15:42
○NSns51.1and1.com2015-05-02 → 2017-04-24 · 4 obs
● 2017-04-24 04:05:20
○ 2026-03-06 05:19:48
○ 2026-07-12 08:15:42
○NSns52.1and1.com2015-05-02 → 2017-04-24 · 4 obs
● 2017-04-24 04:05:20
○ 2026-03-06 05:19:48
○ 2026-07-12 08:15:42
○MXmx00.1and1.com2015-05-02 → 2017-04-24 · 4 obs
● 2017-04-24 04:05:20
○ 2026-03-06 05:19:48
○ 2026-07-12 08:15:42
●MXmx00.ionos.com2026-03-06 → 2026-07-12 · 3 obs
● 2026-03-06 05:19:48
● 2026-07-12 08:15:42
○MXmx01.1and1.com2015-05-02 → 2017-04-24 · 4 obs
● 2017-04-24 04:05:20
○ 2026-03-06 05:19:48
○ 2026-07-12 08:15:42
●MXmx01.ionos.com2026-03-06 → 2026-07-12 · 3 obs
● 2026-03-06 05:19:48
● 2026-07-12 08:15:42
●A216.250.121.772017-04-24 → 2026-07-12 · 3 obs
● 2017-04-24 04:05:20
● 2026-07-12 08:15:42
○A74.208.57.1082015-05-02 → 2016-07-25 · 4 obs
● 2016-07-25 17:32:28
○ 2017-04-24 04:05:20
○ 2026-07-12 08:15:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net, h.gtld-servers.net... | - |
| optusource.com | ns1036.ui-dns.de, ns1036.ui-dns.biz, ns1036.ui-dns.org, ns1036.ui-dns.com | 2 records |
✅ Authoritative Response
Server:217.160.83.36
NS records: ns1036.ui-dns.de, ns1036.ui-dns.biz, ns1036.ui-dns.org, ns1036.ui-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optusource.com (unsigned zone)
⏱️ Timing
Total: 1136ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.250.121.77 |
| NS | 4 | ns1036.ui-dns.de, ns1036.ui-dns.biz... |
| MX | 2 | mx00.ionos.com (pri: 10), mx01.ionos.com (pri: 10) |
| TXT | 1 | v=spf1 include:_spf-us.ionos.com ~all |
| SOA | 1 | ns1036.ui-dns.biz hostmaster.1and1.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1036.ui-dns.com, ns1036.ui-dns.com)
Analysis
IP Addresses
optusource.com resolves to one IP address: 216.250.121.77.
logs-for-your-home.com, makethisquilt.com, salamoniemills.com and two other host names share IP numbers with optusource.com.
Name Servers
The authoritative name servers for optusource.com are ns1036.ui-dns.biz, ns1036.ui-dns.com, ns1036.ui-dns.de and ns1036.ui-dns.org.
There is at least partial name server overlap between optusource.com and other domains — refin-invest.de, schleswig-ferienwohnung.com, asociacionarana.com and two more among them.
These name servers regularly appear alongside ns1085.ui-dns.biz, ns1123.ui-dns.org, ns1075.ui-dns.biz and 7 other name servers in NS record sets.
All four hostnames — ns1036.ui-dns.biz, ns1036.ui-dns.com, ns1036.ui-dns.de and ns1036.ui-dns.org — resolve to two IP numbers apiece: ns1036.ui-dns.biz to 217.160.81.36 and 2001:8d8:fe:53:0:d9a0:5124:100; ns1036.ui-dns.com to 217.160.82.36 and 2001:8d8:fe:53:0:d9a0:5224:100; ns1036.ui-dns.de to 185.132.32.36 and 2607:f1c0:fe:53:185:132:32:36; ns1036.ui-dns.org to 217.160.83.36 and 2001:8d8:fe:53:0:d9a0:5324:100.
Mail Servers
Mail for optusource.com is handled by two mail servers — mx00.ionos.com and mx01.ionos.com.
optusource.com uses an identical mail server configuration to several other domains — among them ephraim.city, knoxrealestateteam.com, chasebls.com and two more.
mx00.ionos.com → 74.208.5.3 and mx01.ionos.com → 74.208.5.21: one IP number per host name.