siermann.com - robtex.com
siermann.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=1771291435 | ||||||
Same first word
Similar names
DNS History
11 records (6 active, 5 former)
○NSns0.directnic.com2008-03-10 → 2008-03-10 · 3 obs
○ 2015-10-09 03:05:36
○ 2026-03-23 16:07:42
○NSns1.directnic.com2008-03-10 → 2008-03-10 · 3 obs
○ 2015-10-09 03:05:36
○ 2026-03-23 16:07:42
●NSns1.dn-s.nl2026-03-19 → 2026-03-23 · 3 obs
● 2026-03-19 12:48:24
● 2026-03-23 16:07:42
●NSns2.dn-s.nl2026-03-19 → 2026-03-23 · 3 obs
● 2026-03-19 12:48:24
● 2026-03-23 16:07:42
●NSns3.dn-s.nl2026-03-19 → 2026-03-23 · 3 obs
● 2026-03-19 12:48:24
● 2026-03-23 16:07:42
●NSns4.dn-s.nl2026-03-19 → 2026-03-23 · 3 obs
● 2026-03-19 12:48:24
● 2026-03-23 16:07:42
○MXiris1.directnic.com2008-03-10 → 2008-03-10 · 3 obs
○ 2015-10-09 03:05:36
○ 2026-03-23 16:07:42
○MXiris2.directnic.com2008-03-10 → 2008-03-10 · 3 obs
○ 2015-10-09 03:05:36
○ 2026-03-23 16:07:42
●MXsiermann-com.mail.protection.outlook.com2026-03-19 → 2026-03-23 · 3 obs
● 2026-03-19 12:48:24
● 2026-03-23 16:07:42
●A37.97.140.1972026-03-19 → 2026-03-23 · 3 obs
● 2026-03-19 12:48:24
● 2026-03-23 16:07:42
○A69.46.230.202008-03-10 → 2008-03-10 · 3 obs
○ 2015-10-09 03:05:36
○ 2026-03-23 16:07:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| siermann.com | ns1.dn-s.nl, ns2.dn-s.nl, ns3.dn-s.nl, ns4.dn-s.nl | - |
✅ Authoritative Response
Server:46.101.179.64
NS records: ns1.dn-s.nl, ns2.dn-s.nl, ns3.dn-s.nl, ns4.dn-s.nl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for siermann.com (unsigned zone)
⏱️ Timing
Total: 1789ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.97.140.197 |
| NS | 4 | ns1.dn-s.nl, ns2.dn-s.nl... |
| MX | 1 | siermann-com.mail.protection.outlook.com |
| TXT | 1 | v=spf1 include:_spf.premiumantispam.nl + |
| SOA | 1 | ns1.dn-s.nl hostmaster.siermann.com |
Analysis
IP Addresses
siermann.com points to a single IP: 37.97.140.197.
Other host names, for instance mail.4x4sport.nl, srv12433.hostingserver.nl, 67-64-83-74.thegoodcity.org, mail.izuskan.com and mail.vacomair.com share IP numbers with siermann.com.
Name Servers
siermann.com is delegated to four name servers: ns1.dn-s.nl, ns2.dn-s.nl, ns3.dn-s.nl and ns4.dn-s.nl.
siermann.com at least partially shares its name servers with other domains, for instance uitvaartverenigingsappemeer.nl, loading-station.com, henkbinnema.nl, hogehond.nl and smart-pilots.com.
these name servers are commonly used with the name servers ns3.dn-s.eu, ns4.dn-s.org, ns2.dn-s.be, ns1.serviceprovider.nl and ns2.serviceprovider.nl.
Host names with two IPs: ns1.dn-s.nl points to 2a06:2ec0:1::10 and 185.104.28.19; ns2.dn-s.nl points to 2a03:b0c0:3:d0::116:2001 and 46.101.179.64; ns3.dn-s.nl points to 2a03:b0c0:2:d0::57:1001 and 178.62.208.8; ns4.dn-s.nl points to 2a06:2ec0:1:a::d53 and 185.220.172.14.
Mail Servers
siermann.com is served by a single mail server, siermann-com.mail.protection.outlook.com.
The host name siermann-com.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:ca04::5, 2a01:111:f403:ca04::e, 2a01:111:f403:ca09::3, 2a01:111:f403:ca09::9, 52.101.68.3, 52.101.68.8, 52.101.68.10 and 52.101.68.18.