certax.com - dns.ninja
certax.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=1782437260 | ||||||
Same first word
Similar names
DNS History
11 records (7 active, 4 former)
●NSns1021.ui-dns.biz2020-03-23 → 2026-06-26 · 3 obs
● 2020-03-23 14:16:46
● 2026-06-26 01:41:02
●NSns1021.ui-dns.com2020-03-23 → 2026-06-26 · 3 obs
● 2020-03-23 14:16:46
● 2026-06-26 01:41:02
●NSns1021.ui-dns.de2020-03-23 → 2026-06-26 · 3 obs
● 2020-03-23 14:16:46
● 2026-06-26 01:41:02
●NSns1021.ui-dns.org2020-03-23 → 2026-06-26 · 3 obs
● 2020-03-23 14:16:46
● 2026-06-26 01:41:02
○NSns19.1and1.co.uk2015-08-19 → 2016-03-28 · 4 obs
● 2016-03-28 04:55:50
○ 2020-03-23 14:16:46
○ 2026-06-26 01:41:02
○NSns20.1and1.co.uk2015-08-19 → 2016-03-28 · 4 obs
● 2016-03-28 04:55:50
○ 2020-03-23 14:16:46
○ 2026-06-26 01:41:02
○MXmx00.1and1.co.uk2015-08-19 → 2020-03-23 · 4 obs
● 2020-03-23 14:16:46
○ 2026-04-07 23:10:20
○ 2026-06-26 01:41:02
●MXmx00.ionos.co.uk2026-04-07 → 2026-06-26 · 3 obs
● 2026-04-07 23:10:20
● 2026-06-26 01:41:02
○MXmx01.1and1.co.uk2015-08-19 → 2020-03-23 · 4 obs
● 2020-03-23 14:16:46
○ 2026-04-07 23:10:20
○ 2026-06-26 01:41:02
●MXmx01.ionos.co.uk2026-04-07 → 2026-06-26 · 3 obs
● 2026-04-07 23:10:20
● 2026-06-26 01:41:02
●A83.223.100.2222015-08-19 → 2026-06-26 · 2 obs
● 2026-06-26 01:41:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, m.gtld-servers.net, d.gtld-servers.net, g.gtld-servers.net... | - |
| certax.com | ns1021.ui-dns.de, ns1021.ui-dns.biz, ns1021.ui-dns.org, ns1021.ui-dns.com | 2 records |
✅ Authoritative Response
Server:217.160.82.21
NS records: ns1021.ui-dns.de, ns1021.ui-dns.biz, ns1021.ui-dns.org, ns1021.ui-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for certax.com (unsigned zone)
⏱️ Timing
Total: 3052ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 83.223.100.222 |
| NS | 4 | ns1021.ui-dns.de, ns1021.ui-dns.com... |
| MX | 2 | mx00.ionos.co.uk (pri: 10), mx01.ionos.co.uk (pri: 10) |
| TXT | 1 | v=spf1 include:_spf-eu.ionos.com ~all |
| SOA | 1 | ns1021.ui-dns.biz hostmaster.1and1.co.uk |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1021.ui-dns.com, ns1021.ui-dns.com)
Analysis
IP Addresses
certax.com points to a single IP number: 83.223.100.222.
Name Servers
certax.com has four authoritative name servers: ns1021.ui-dns.biz, ns1021.ui-dns.com, ns1021.ui-dns.de and ns1021.ui-dns.org.
There is at least partial name server overlap between certax.com and other domains — reliableherbal.com, go-atc.eu, atlas-aes.eu and two more among them.
These name servers frequently co-occur with the name servers ns1126.ui-dns.com and ns1114.ui-dns.biz.
All four hostnames — ns1021.ui-dns.biz, ns1021.ui-dns.com, ns1021.ui-dns.de and ns1021.ui-dns.org — resolve to two IP numbers apiece: ns1021.ui-dns.biz to 217.160.81.21 and 2001:8d8:fe:53:0:d9a0:5115:100; ns1021.ui-dns.com to 217.160.82.21 and 2001:8d8:fe:53:0:d9a0:5215:100; ns1021.ui-dns.de to 217.160.80.21 and 2001:8d8:fe:53:0:d9a0:5015:100; ns1021.ui-dns.org to 217.160.83.21 and 2001:8d8:fe:53:0:d9a0:5315:100.
Mail Servers
certax.com has two mail servers: mx00.ionos.co.uk and mx01.ionos.co.uk.
certax.com shares the same mail server setup as other domains, including chrisficklingdesign.com, ravenlore.co.uk, rustat.com and two others.
mx00.ionos.co.uk → 212.227.15.41 and mx01.ionos.co.uk → 217.72.192.67: one IP number per host name.