sierschula.com - robtex.com
sierschula.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.243.5🇺🇸 Amazon13.248.240.0/20 | ||||||
| PTR | a16e665f42988324c.awsglobalaccelerator.com | ||||||
| A | 76.223.105.230🇺🇸 Amazon76.223.96.0/20 | ||||||
| NS | ns35.domaincontrol.com ⭐ | ||||||
| A | 2603:5:21b1::12🇺🇸 GODADDY-DNS2603:5:21b0::/44 | ||||||
| PTR | ns35.domaincontrol.com | ||||||
| A | 97.74.107.18🇺🇸 GODADDY-DNS97.74.106.0/23 | ||||||
| PTR | ns35.domaincontrol.com | ||||||
| NS | ns36.domaincontrol.com | ||||||
| A | 2603:5:22b1::12🇺🇸 GODADDY-DNS2603:5:22b0::/44 | ||||||
| PTR | ns36.domaincontrol.com | ||||||
| A | 173.201.75.18🇺🇸 GODADDY-DNS173.201.74.0/23 | ||||||
| PTR | ns36.domaincontrol.com | ||||||
| SOA | ns35.domaincontrol.comdns@jomax.net 2025-08-30 #2 | ||||||
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=1774653292 | ||||||
Same first word
sierschula.com |
Similar names
DNS History
10 records (4 active, 6 former)
●NSns35.domaincontrol.com2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 23:42:06
●NSns36.domaincontrol.com2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 23:42:06
○NSns57.1and1.com2015-07-11 → 2016-07-04 · 4 obs
● 2016-07-04 01:13:54
○ 2017-03-19 22:22:24
○ 2026-03-27 23:42:06
○NSns58.1and1.com2015-07-11 → 2016-07-04 · 4 obs
● 2016-07-04 01:13:54
○ 2017-03-19 22:22:24
○ 2026-03-27 23:42:06
○MXmx00.1and1.com2015-07-11 → 2016-07-04 · 4 obs
● 2016-07-04 01:13:54
○ 2017-03-19 22:22:24
○ 2026-03-27 23:42:06
○MXmx01.1and1.com2015-07-11 → 2016-07-04 · 4 obs
● 2016-07-04 01:13:54
○ 2017-03-19 22:22:24
○ 2026-03-27 23:42:06
●A13.248.243.52026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 23:42:06
○A216.250.120.1032016-07-04 → 2016-07-04 · 4 obs
● 2016-07-04 01:13:54
○ 2017-03-19 22:22:24
○ 2026-03-27 23:42:06
○A74.208.84.662015-07-11 → 2016-03-18 · 4 obs
● 2016-03-18 14:46:54
○ 2016-07-04 01:13:54
○ 2026-03-27 23:42:06
●A76.223.105.2302026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 23:42:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| sierschula.com | ns35.domaincontrol.com, ns36.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.107.18
NS records: ns35.domaincontrol.com, ns36.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sierschula.com (unsigned zone)
⏱️ Timing
Total: 78ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.105.230, 13.248.243.5 |
| NS | 2 | ns35.domaincontrol.com, ns36.domaincontrol.com |
| SOA | 1 | ns35.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns35.domaincontrol.com, ns35.domaincontrol.com, ns36.domaincontrol.com...)
Analysis
IP Addresses
sierschula.com resolves to two IP numbers: 13.248.243.5 and 76.223.105.230.
Other host names, for instance hualian.io, percpa.com, laplacitaov.com, inventocast.com and rebaty.com share IP numbers with sierschula.com.
Name Servers
Two name servers ns35.domaincontrol.com and ns36.domaincontrol.com handle delegation for sierschula.com.
sierschula.com uses the same name server setup as other domains, for example kamgt.com, royaltriad.com, fscwire.ca, fernsehkoch.at and ekumas.com.
sierschula.com shares name servers with other domains at least in part, for instance proofre.com.
Host names with two IP numbers:
ns35.domaincontrol.com points to: 2603:5:21b1::12 and 97.74.107.18
ns36.domaincontrol.com points to: 2603:5:22b1::12 and 173.201.75.18