schaefer-stb.de - robtex.com
schaefer-stb.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=1775216932 | ||||||
Subdomains
mail.schaefer-stb.de |
Same first word
schaefer-stb.de |
DNS History
13 records (6 active, 7 former)
●NScns1.alfahosting.info2026-02-15 → 2026-04-03 · 3 obs
● 2026-02-15 05:40:06
● 2026-04-03 12:03:00
●NScns2.alfahosting.info2026-02-15 → 2026-04-03 · 3 obs
● 2026-02-15 05:40:06
● 2026-04-03 12:03:00
●NScns3.alfahosting.info2026-02-15 → 2026-04-03 · 3 obs
● 2026-02-15 05:40:06
● 2026-04-03 12:03:00
○NSns1.sist-it.de2015-11-26 → 2017-04-05 · 5 obs
● 2015-11-26 23:22:24
● 2017-04-05 14:26:02
○ 2026-02-15 05:40:06
○ 2026-04-03 12:03:00
○NSns2.sist-it.de2015-11-26 → 2017-04-05 · 5 obs
● 2015-11-26 23:22:24
● 2017-04-05 14:26:02
○ 2026-02-15 05:40:06
○ 2026-04-03 12:03:00
○NSns3.boeckem.de2015-08-07 → 2015-08-07 · 3 obs
○ 2015-11-26 23:22:24
○ 2026-04-03 12:03:00
○NSns4.boeckem.de2015-08-07 → 2015-08-07 · 3 obs
○ 2015-11-26 23:22:24
○ 2026-04-03 12:03:00
○MXmail.schaefer-stb.de2015-08-07 → 2017-04-05 · 4 obs
● 2017-04-05 14:26:02
○ 2026-02-15 05:40:06
○ 2026-04-03 12:03:00
●MXmx03.secure-mailgate.com2026-02-15 → 2026-04-03 · 3 obs
● 2026-02-15 05:40:06
● 2026-04-03 12:03:00
●MXmx04.secure-mailgate.com2026-02-15 → 2026-04-03 · 3 obs
● 2026-02-15 05:40:06
● 2026-04-03 12:03:00
●A81.88.34.782026-02-15 → 2026-04-03 · 3 obs
● 2026-02-15 05:40:06
● 2026-04-03 12:03:00
○A81.89.96.472015-08-07 → 2015-08-07 · 3 obs
○ 2015-11-26 23:22:24
○ 2026-04-03 12:03:00
○A85.25.95.1982015-11-26 → 2017-04-05 · 5 obs
● 2015-11-26 23:22:24
● 2017-04-05 14:26:02
○ 2026-02-15 05:40:06
○ 2026-04-03 12:03:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| schaefer-stb.de | cns2.alfahosting.info, cns1.alfahosting.info, cns3.alfahosting.info | - |
✅ Authoritative Response
Server:109.237.143.8
NS records: cns2.alfahosting.info, cns1.alfahosting.info, cns3.alfahosting.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for schaefer-stb.de (unsigned zone)
⏱️ Timing
Total: 811ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.88.34.78 |
| NS | 3 | cns1.alfahosting.info, cns3.alfahosting.info... |
| MX | 2 | mx04.secure-mailgate.com (pri: 10), mx03.secure-mailgate.com (pri: 10) |
| TXT | 1 | v=spf1 a mx include:secure-mailgate.com |
| SOA | 1 | cns1.alfahosting.info hostmaster@alfahos |
Analysis
Hierarchy
schaefer-stb.de is the parent of mail.schaefer-stb.de.
IP Addresses
schaefer-stb.de resolves to a single IP: 81.88.34.78.
Other host names, for instance holidayfun.at, www.nippes-wetter.de, postfach17.at, rock-total.at and mail.insopti.de share IP numbers with schaefer-stb.de.
Name Servers
schaefer-stb.de delegates to three name servers: cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info.
schaefer-stb.de shares some name servers with other domains, for example wienhold-chemnitz.de, lok-home.de, cap-the-app.com, bilmag.de and miapple.info.
Host names with two IP numbers:
cns1.alfahosting.info: 2a01:64c0:0:5000::8 and 109.237.142.8
cns2.alfahosting.info: 2a01:4f8:2b02:a88::105 and 148.251.254.105
cns3.alfahosting.info: 2a02:2b80:101:5000::8 and 109.237.143.8
Mail Servers
schaefer-stb.de is served by two mail servers: mx03.secure-mailgate.com and mx04.secure-mailgate.com.
schaefer-stb.de shares the mail server setup with other domains, for example edilac.de, steamfactory.de, berghonig.at, janina-weinand.de and hftf-weilheim-teck.de.
schaefer-stb.de shares some mail servers with other domains at least partially, for instance stephanie-von-pfuel.de and cetrix.de.
Host names with two IP numbers:
mx03.secure-mailgate.com points to: 46.243.88.174 and 46.243.88.176; mx04.secure-mailgate.com points to: 46.243.88.175 and 46.243.88.177.