schaefer-sis.com - robtex.com
schaefer-sis.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | pns.dtag.de ⭐ | ||||||
| A | 2003:40:8000::100🇩🇪 DTAG2003::/19 Deutsche Telekom large PA space | ||||||
| PTR | pns.dtag.de | ||||||
| A | 194.25.0.125🇩🇪 DTAG194.25.0.0/16 Deutsche Telekom AG, Internet service provider | ||||||
| PTR | pns.dtag.de | ||||||
| NS | ns1.telekom.net | ||||||
| A | 2003:180:a:1000::53🇩🇪 DTAG2003::/19 Deutsche Telekom large PA space | ||||||
| PTR | ns1.telekom.net | ||||||
| A | 212.185.24.65🇩🇪 DTAG212.184.0.0/15 Deutsche Telekom AG, Internet service provider | ||||||
| PTR | ns1.telekom.net | ||||||
| MX | mail.schaefer-sis.com ⭐ | ||||||
| A | 195.145.21.66🇩🇪 DTAG195.145.0.0/16 Deutsche Telekom AG, Internet service provider | ||||||
| MX | mforward.dtag.de(20) | ||||||
| A | 194.25.242.123🇩🇪 DTAG194.25.0.0/16 Deutsche Telekom AG, Internet service provider | ||||||
| PTR | mforward.dtag.de | ||||||
| SOA | pns.dtag.dedns@telekom.de 2021-10-20 #0 | ||||||
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=1774962352 | ||||||
Subdomains
mail.schaefer-sis.com |
Same first word
schaefer-sis.com |
schaefer-sis.de |
schaefer-sis.biz |
schaefer-sis.co |
schaefer-sis.in |
schaefer-sis.net |
schaefer-sis.cz |
Similar names
DNS History
5 records (4 active, 1 former)
●NSns1.telekom.net2026-03-19 → 2026-03-31 · 3 obs
● 2026-03-19 13:29:38
● 2026-03-31 13:26:20
○NSsecondary004.dtag.net2015-06-19 → 2017-06-25 · 4 obs
● 2017-06-25 17:33:10
○ 2026-03-19 13:29:38
○ 2026-03-31 13:26:20
●MXmail.schaefer-sis.com2015-06-19 → 2026-03-31 · 2 obs
● 2026-03-31 13:26:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, h.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net... | - |
| schaefer-sis.com | pns.dtag.de, ns1.telekom.net | - |
✅ Authoritative Response
Server:212.185.24.65
NS records: pns.dtag.de, ns1.telekom.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for schaefer-sis.com (unsigned zone)
⏱️ Timing
Total: 996ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.telekom.net, pns.dtag.de |
| MX | 2 | mforward.dtag.de (pri: 20), mail.schaefer-sis.com (pri: 10) |
| SOA | 1 | pns.dtag.de dnsadmin.nic.dtag.de |
Analysis
Hierarchy
mail.schaefer-sis.com is a child of schaefer-sis.com.
Name Servers
schaefer-sis.com's delegation uses two name servers: pns.dtag.de and ns1.telekom.net.
schaefer-sis.com uses the same name server setup as other domains, such as sorbtech.eu, kh-server.de, tuiticketshop.de, shopn-go.de and the-balloon-shop.de.
schaefer-sis.com at least partially shares name servers with other domains, including mittelbayerische-trauer.de, ozweblog.de, 194.0.217.in-addr.arpa, tz-live.tv and ergo-tickets.de.
These name servers are commonly used with secondary006.dtag.net, secondary007.dtag.net, ns1.vgp.de, ns2.vgp.de, ns0.niedersachsen.com and pns.merkur-online.de.
Host names with two IPs:
pns.dtag.de points to 2003:40:8000::100 and 194.25.0.125
ns1.telekom.net points to 2003:180:a:1000::53 and 212.185.24.65
Mail Servers
schaefer-sis.com is served by two mail servers mail.schaefer-sis.com and mforward.dtag.de.
schaefer-sis.com shares at least some mail servers with other domains, for example werkvertragzukunft.org, geno-strom.de, tegro-service.com, dehner.es and haz-digital.de.
These mail servers are commonly used with mail2.dehner.de, mail.dehner.de, mail1.nwb.de, mail2.rhoen-klinikum-ag.com, mail.rhoen-klinikum-ag.com and mail.reichertht.de.
Host names with a single IP address: mail.schaefer-sis.com points to 195.145.21.66; mforward.dtag.de points to 194.25.242.123.