certcat.com - dns.ninja
certcat.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=1785723297 | ||||||
Same first word
Similar names
DNS History
14 records (7 active, 7 former)
●NSaccess.ui-dns.biz2026-02-27 → 2026-08-03 · 3 obs
● 2026-02-27 22:19:50
● 2026-08-03 02:18:42
●NSaccess.ui-dns.com2026-02-27 → 2026-08-03 · 3 obs
● 2026-02-27 22:19:50
● 2026-08-03 02:18:42
●NSaccess.ui-dns.de2026-02-27 → 2026-08-03 · 3 obs
● 2026-02-27 22:19:50
● 2026-08-03 02:18:42
●NSaccess.ui-dns.org2026-02-27 → 2026-08-03 · 3 obs
● 2026-02-27 22:19:50
● 2026-08-03 02:18:42
○NSns1026.ui-dns.biz2020-01-31 → 2020-01-31 · 4 obs
● 2020-01-31 00:05:40
○ 2026-02-27 22:19:50
○ 2026-08-03 02:18:42
○NSns1026.ui-dns.com2020-01-31 → 2020-01-31 · 4 obs
● 2020-01-31 00:05:40
○ 2026-02-27 22:19:50
○ 2026-08-03 02:18:42
○NSns1026.ui-dns.de2020-01-31 → 2020-01-31 · 4 obs
● 2020-01-31 00:05:40
○ 2026-02-27 22:19:50
○ 2026-08-03 02:18:42
○NSns1026.ui-dns.org2020-01-31 → 2020-01-31 · 4 obs
● 2020-01-31 00:05:40
○ 2026-02-27 22:19:50
○ 2026-08-03 02:18:42
○NSns65.1und1.de2015-06-03 → 2017-03-31 · 4 obs
● 2017-03-31 15:03:38
○ 2020-01-31 00:05:40
○ 2026-08-03 02:18:42
○NSns66.1und1.de2015-06-03 → 2017-03-31 · 4 obs
● 2017-03-31 15:03:38
○ 2020-01-31 00:05:40
○ 2026-08-03 02:18:42
●MXmx00.kundenserver.de2015-06-03 → 2026-08-03 · 2 obs
● 2026-08-03 02:18:42
●MXmx01.kundenserver.de2015-06-03 → 2026-08-03 · 2 obs
● 2026-08-03 02:18:42
●A217.160.231.2172017-03-31 → 2026-08-03 · 3 obs
● 2017-03-31 15:03:38
● 2026-08-03 02:18:42
○A82.165.108.2102015-06-03 → 2016-03-30 · 4 obs
● 2016-03-30 15:54:16
○ 2017-03-31 15:03:38
○ 2026-08-03 02:18:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| certcat.com | access.ui-dns.de, access.ui-dns.biz, access.ui-dns.org, access.ui-dns.com | 2 records |
✅ Authoritative Response
Server:217.160.81.237
NS records: access.ui-dns.de, access.ui-dns.biz, access.ui-dns.org, access.ui-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for certcat.com (unsigned zone)
⏱️ Timing
Total: 707ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.160.231.217 |
| NS | 4 | access.ui-dns.org, access.ui-dns.com... |
| MX | 2 | mx01.kundenserver.de (pri: 10), mx00.kundenserver.de (pri: 10) |
| TXT | 1 | v=spf1 a:mout.kundenserver.de ~all |
| SOA | 1 | access.ui-dns.biz hostmaster.1und1.de |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (access.ui-dns.com, access.ui-dns.com)
Analysis
IP Addresses
certcat.com resolves to just one IP address, 217.160.231.217.
Two other host names, along with educenter.co, laxi.org and djula.com, also share IP numbers with certcat.com.
Name Servers
The NS records for certcat.com point to four name servers: access.ui-dns.biz, access.ui-dns.com, access.ui-dns.de and access.ui-dns.org.
certcat.com has at least partial name server overlap with other domains, such as cbcom.de, bfmaster.de, mueskes.net and two others.
access.ui-dns.biz, access.ui-dns.com, access.ui-dns.de and access.ui-dns.org all point to exactly two IP numbers each: access.ui-dns.biz → 217.160.81.237 and 2001:8d8:fe:53::81:237; access.ui-dns.com → 185.132.34.237 and 2607:f1c0:fe:53::34:237; access.ui-dns.de → 217.160.80.237 and 2001:8d8:fe:53::80:237; access.ui-dns.org → 185.132.35.237 and 2607:f1c0:fe:53::35:237.
Mail Servers
certcat.com is served by two mail servers, mx00.kundenserver.de and mx01.kundenserver.de.
Among the domains sharing a mail server setup with certcat.com are jn-invest.de, mail.rudolph-siegen.de, loether.org and two others.
There is at least a partial MX overlap between certcat.com and other domains, including unity.wibu.de, estecasa.eu, gross-und-sohn.de and two others.
These mail servers often co-occur with the mail servers sendin.wibu.de.
mx00.kundenserver.de and mx01.kundenserver.de both carry two IP addresses. The A records for mx00.kundenserver.de are 212.227.15.41 and 212.227.15.171; the A records for mx01.kundenserver.de are 212.227.15.188 and 217.72.192.67.