ycat.de - robtex.com
ycat.de
de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | f.nic.de ⭐ | ||||||
| NS | a.nic.de | ||||||
| NS | l.de.net ⚠️ Not in parent delegation | ||||||
| NS | n.de.net ⚠️ Not in parent delegation | ||||||
| NS | s.de.net ⚠️ Not in parent delegation | ||||||
| NS | z.nic.de | ||||||
| SOA | f.nic.dedns-operations@denic.de serial=1771291602 | ||||||
Subdomains
mail.ycat.de |
Same first word
Similar names
DNS History
7 records (6 active, 1 former)
●NScns1.alfahosting.info2015-07-09 → 2026-03-12 · 2 obs
● 2026-03-12 06:19:26
●NScns2.alfahosting.info2015-07-09 → 2026-03-12 · 2 obs
● 2026-03-12 06:19:26
●NScns3.alfahosting.info2015-07-09 → 2026-03-12 · 2 obs
● 2026-03-12 06:19:26
●MXmail.ycat.de2015-07-09 → 2026-03-12 · 2 obs
● 2026-03-12 06:19:26
●MXycat-de.mail.protection.outlook.com2026-03-12 → 2026-03-12 · 2 obs
● 2026-03-12 06:19:26
○A109.237.134.382015-07-09 → 2016-02-18 · 3 obs
● 2016-02-18 18:18:16
○ 2026-03-12 06:19:26
●A81.88.34.1372026-03-12 → 2026-03-12 · 2 obs
● 2026-03-12 06:19:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| ycat.de | cns1.alfahosting.info, cns2.alfahosting.info, cns3.alfahosting.info | - |
✅ Authoritative Response
Server: 109.237.143.8
NS records: cns1.alfahosting.info, cns2.alfahosting.info, cns3.alfahosting.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ycat.de (unsigned zone)
⏱️ Timing
Total: 1499ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.88.34.137 |
| NS | 3 | cns2.alfahosting.info, cns3.alfahosting.info... |
| MX | 2 | mail.ycat.de (pri: 10), ycat-de.mail.protection.outlook.com (pri |
| TXT | 2 | MS=ms25790087, v=spf1 include:outlook.com ~all |
| SOA | 1 | cns1.alfahosting.info hostmaster.alfahos |
Analysis
Hierarchy
ycat.de is the parent of mail.ycat.de.
IP Addresses
ycat.de resolves to one IP number: 81.88.34.137.
other host names including mail.leibelt.org, leibelt.org, vitales-berlin.de, mail.j-brunner.de and mail.mawax.de share IP numbers with ycat.de.
Name Servers
ycat.de is delegated to three name servers cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info.
ycat.de at least partially shares name servers with other domains, for instance guter-unterricht.de, unternehmensfilm-muenchen.de, bmbayernmess.com, pogomail.de and forum-contracting.de.
Host names with two IP numbers:
cns1.alfahosting.info points to: 2a01:64c0:0:5000::8 and 109.237.142.8.
cns2.alfahosting.info points to: 2a01:4f8:2b02:a88::105 and 148.251.254.105.
cns3.alfahosting.info points to: 2a02:2b80:101:5000::8 and 109.237.143.8.
Mail Servers
Two mail servers handle ycat.de: mail.ycat.de and ycat-de.mail.protection.outlook.com.
Host names with eight IP numbers: ycat-de.mail.protection.outlook.com points to 2a01:111:f403:ca04::c, 2a01:111:f403:ca04::f, 2a01:111:f403:ca09::5, 2a01:111:f403:ca09::f, 52.101.68.5, 52.101.68.32, 52.101.73.28 and 52.101.73.153.
Host names with one IP number: mail.ycat.de points to 81.88.34.137.