plus421.com - dns.ninja
plus421.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=1783449386 | ||||||
Subdomains
sbg2.plus421.com |
sbg3.plus421.com |
217-73-17-48.plus421.com |
rbx1.plus421.com |
217-73-17-41.plus421.com |
bts1a.plus421.com |
sbg6.plus421.com |
mx3.plus421.com |
217-73-17-71.plus421.com |
sbg6b.plus421.com |
dh2.plus421.com |
sbg1.plus421.com |
ns.plus421.com |
mailin2.plus421.com |
dh3.plus421.com |
ns2.plus421.com |
mx.plus421.com |
ns3.plus421.com |
mx2.plus421.com |
217-73-17-15.plus421.com |
dh1.plus421.com |
sbg7.plus421.com |
dh4.plus421.com |
sbg4.plus421.com |
www.plus421.com |
bts1b.plus421.com |
mail2.plus421.com |
mail.plus421.com |
rbx2.plus421.com |
mailin1.plus421.com |
hostmaster.plus421.com |
Same first word
Similar names
DNS History
14 records (7 active, 7 former)
○NSns.plus421.com2015-06-28 → 2017-08-14 · 4 obs
● 2017-08-14 13:32:36
○ 2026-02-23 03:49:18
○ 2026-07-07 18:46:08
●NSns1.websupport.sk2026-02-23 → 2026-07-07 · 3 obs
● 2026-02-23 03:49:18
● 2026-07-07 18:46:08
○NSns2.plus421.com2015-06-28 → 2017-08-14 · 4 obs
● 2017-08-14 13:32:36
○ 2026-02-23 03:49:18
○ 2026-07-07 18:46:08
●NSns2.websupport.sk2026-02-23 → 2026-07-07 · 3 obs
● 2026-02-23 03:49:18
● 2026-07-07 18:46:08
○NSns3.plus421.sk2015-06-28 → 2017-08-14 · 4 obs
● 2017-08-14 13:32:36
○ 2026-02-23 03:49:18
○ 2026-07-07 18:46:08
●NSns3.websupport.sk2026-02-23 → 2026-07-07 · 3 obs
● 2026-02-23 03:49:18
● 2026-07-07 18:46:08
○NSsdns2.ovh.net2015-06-28 → 2017-08-14 · 4 obs
● 2017-08-14 13:32:36
○ 2026-02-23 03:49:18
○ 2026-07-07 18:46:08
○MXmx.plus421.com2015-06-28 → 2017-08-14 · 4 obs
● 2017-08-14 13:32:36
○ 2026-02-23 03:49:18
○ 2026-07-07 18:46:08
●MXmx10.websupport.sk2026-02-23 → 2026-07-07 · 3 obs
● 2026-02-23 03:49:18
● 2026-07-07 18:46:08
●MXmx20.websupport.sk2026-02-23 → 2026-07-07 · 3 obs
● 2026-02-23 03:49:18
● 2026-07-07 18:46:08
○A217.73.17.412015-06-28 → 2016-12-31 · 4 obs
● 2016-12-31 08:36:54
○ 2017-08-14 13:32:36
○ 2026-07-07 18:46:08
●A2a00:4b40:aaaa:2007::52026-02-23 → 2026-07-07 · 3 obs
● 2026-02-23 03:49:18
● 2026-07-07 18:46:08
●A37.9.175.1812026-02-23 → 2026-07-07 · 3 obs
● 2026-02-23 03:49:18
● 2026-07-07 18:46:08
○A37.9.175.32017-08-14 → 2017-08-14 · 4 obs
● 2017-08-14 13:32:36
○ 2026-02-23 03:49:18
○ 2026-07-07 18:46:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| plus421.com | ns1.websupport.sk, ns2.websupport.sk, ns3.websupport.sk | - |
✅ Authoritative Response
Server:45.10.97.13
NS records: ns1.websupport.sk, ns2.websupport.sk, ns3.websupport.sk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for plus421.com (unsigned zone)
⏱️ Timing
Total: 180ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.9.175.181 |
| AAAA | 1 | 2a00:4b40:aaaa:2007::5 |
| NS | 3 | ns1.websupport.sk, ns2.websupport.sk... |
| MX | 2 | mx10.websupport.sk (pri: 10), mx20.websupport.sk (pri: 100) |
| TXT | 5 | brevo-code:efb7a47b75c2d72c087c146b10cc3, v=spf1 a mx include:_spf.m1.websupport.s... |
| SOA | 1 | ns1.websupport.sk admin.websupport.sk |
Analysis
Hierarchy
The host names sbg2.plus421.com, sbg3.plus421.com, 217-73-17-48.plus421.com, rbx1.plus421.com and 217-73-17-41.plus421.com — among a few others — fall under the parent domain plus421.com.
IP Addresses
plus421.com points to the IP addresses 37.9.175.181 and 2a00:4b40:aaaa:2007::5
zoznamka.milost.sk, afs.sk, boodyy.cz plus two other host names have IP numbers in common with plus421.com.
Name Servers
plus421.com is served by three name servers: ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk.
At least some of plus421.com's name servers are shared with other domains, for example fineline.sk, vareska.sk, rybema.sk and two more.
The hostnames ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk each direct to two IP addresses — ns1.websupport.sk to 45.10.97.11 and 2a10:bbc0::11, ns2.websupport.sk to 185.71.159.12 and 2a02:250:3::12, and ns3.websupport.sk to 45.10.97.13 and 2a10:bbc0::13.
Mail Servers
plus421.com uses two mail servers, mx10.websupport.sk and mx20.websupport.sk.
The mail server setup of plus421.com matches that of other domains such as rvtrans.eu, womanorigin.com, ohdates.com and two others.
plus421.com overlaps on mail servers with certain other domains, spaceylon.sk among them.
mx10.websupport.sk resolves to 45.13.137.110 and 2a00:4b40:aaaa:2101:45:13:137:110. Likewise, mx20.websupport.sk resolves to 45.13.137.109 and 2a00:4b40:aaaa:2101:45:13:137:109 — two IP addresses apiece.