css4.us - dns.ninja
css4.us
us
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.cctld.us ⭐ | ||||||
| NS | b.cctld.us | ||||||
| NS | f.cctld.us | ||||||
| NS | k.cctld.us | ||||||
| NS | m.cctld.us | ||||||
| NS | n.cctld.us | ||||||
| NS | w.cctld.us | ||||||
| NS | x.cctld.us | ||||||
| NS | y.cctld.us | ||||||
| SOA | a.cctld.usadmin@tldns.godaddy serial=1785779755 | ||||||
PTR for
Previously MX for
Subdomains
Same first word
Similar names
c4ss.com |
s4sc.com |
c4ss.net |
cs4s.org |
4ssc.net |
cs4s.net |
4css.co |
c4ss.org |
scs4.com |
ss4c.co.uk |
4ssc.co.uk |
s4cs.org.uk |
ss4c.net |
ssc4.com |
4css.net |
4css.cn |
4css.com |
4scs.com |
s4cs.com |
sc4s.co.uk |
c4ss.cz |
ss4c.com |
s4cs.in |
DNS History
16 records (9 active, 7 former)
●NSns1.dynu.com2026-02-22 → 2026-08-03 · 3 obs
● 2026-02-22 23:27:02
● 2026-08-03 18:38:50
●NSns2.dynu.com2026-02-22 → 2026-08-03 · 3 obs
● 2026-02-22 23:27:02
● 2026-08-03 18:38:50
●NSns3.dynu.com2026-02-22 → 2026-08-03 · 3 obs
● 2026-02-22 23:27:02
● 2026-08-03 18:38:50
●NSns4.dynu.com2026-02-22 → 2026-08-03 · 3 obs
● 2026-02-22 23:27:02
● 2026-08-03 18:38:50
●NSns5.dynu.com2026-02-22 → 2026-08-03 · 3 obs
● 2026-02-22 23:27:02
● 2026-08-03 18:38:50
○NSns51.domaincontrol.com2015-08-11 → 2017-11-15 · 4 obs
● 2017-11-15 17:01:56
○ 2026-02-22 23:27:02
○ 2026-08-03 18:38:50
○NSns52.domaincontrol.com2015-08-11 → 2017-11-15 · 4 obs
● 2017-11-15 17:01:56
○ 2026-02-22 23:27:02
○ 2026-08-03 18:38:50
●NSns6.dynu.com2026-02-22 → 2026-08-03 · 3 obs
● 2026-02-22 23:27:02
● 2026-08-03 18:38:50
●MXcss4-us.mail.protection.outlook.com2016-11-22 → 2026-08-03 · 3 obs
● 2016-11-22 02:43:14
● 2026-08-03 18:38:50
○MXcss4.us2015-08-11 → 2016-04-27 · 4 obs
● 2016-04-27 13:05:06
○ 2016-11-22 02:43:14
○ 2026-08-03 18:38:50
○MXwork.css4.us2015-08-11 → 2016-04-27 · 4 obs
● 2016-04-27 13:05:06
○ 2016-11-22 02:43:14
○ 2026-08-03 18:38:50
○A173.11.44.1292015-08-11 → 2017-11-15 · 4 obs
● 2017-11-15 17:01:56
○ 2026-02-22 23:27:02
○ 2026-08-03 18:38:50
●A174.53.224.1962026-05-23 → 2026-08-03 · 3 obs
● 2026-05-23 21:17:44
● 2026-08-03 18:38:50
●A2601:444:900:ef9f:e521:67c7:b130:70592026-05-23 → 2026-08-03 · 3 obs
● 2026-05-23 21:17:44
● 2026-08-03 18:38:50
○A2601:444:905:2aac:4920:d789:4a38:6ccc2026-02-22 → 2026-05-04 · 5 obs
● 2026-02-22 23:27:02
● 2026-05-04 11:45:28
○ 2026-05-23 21:17:44
○ 2026-08-03 18:38:50
○A71.193.80.1002026-02-22 → 2026-05-04 · 5 obs
● 2026-02-22 23:27:02
● 2026-05-04 11:45:28
○ 2026-05-23 21:17:44
○ 2026-08-03 18:38:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us... | - |
| css4.us | ns1.dynu.com, ns3.dynu.com, ns2.dynu.com, ns4.dynu.com... | - |
✅ Authoritative Response
Server:72.51.58.2
NS records: ns1.dynu.com, ns3.dynu.com, ns2.dynu.com, ns4.dynu.com, ns5.dynu.com, ns6.dynu.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for css4.us (unsigned zone)
⏱️ Timing
Total: 721ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 174.53.224.196 |
| AAAA | 1 | 2601:444:900:ef9f:e521:67c7:b130:7059 |
| NS | 6 | ns3.dynu.com, ns2.dynu.com... |
| MX | 1 | css4-us.mail.protection.outlook.com (pri |
| TXT | 2 | v=verifydomain MS=ms74869228, v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns1.dynu.com administrator.dynu.com |
Analysis
Hierarchy
css4.us is the parent domain of mail.css4.us and work.css4.us.
IP Addresses
css4.us directs to two IP numbers, 174.53.224.196 and 2601:444:900:ef9f:e521:67c7:b130:7059
Additional host names — pondpeopleonline.com, mail.css4.us, creativesoftwareinc.com and two others — share IP numbers with css4.us.
Name Servers
css4.us carries NS records listing 6 name servers — ns1.dynu.com, ns2.dynu.com, ns3.dynu.com and 3 others.
css4.us has at least partial name server overlap with other domains, such as karenbuckleysings.com, goboxnet.com, sulyok.net and two others.
ns4.dynu.com, ns5.dynu.com and ns6.dynu.com — plus 6 other name servers — are commonly paired with these name servers.
Host names with two IP numbers:
The A records for ns2.dynu.com return 108.181.13.234 and 2602:ff23:0:8888::2.
The A records for ns3.dynu.com return 162.251.164.146 and 2605:9f80:4000:214::2.
The A records for ns4.dynu.com return 108.181.159.122 and 2604:6600:2000:39::2.
The A records for ns5.dynu.com return 216.105.169.98 and 2605:9f80:c000:404::2.
The A records for ns6.dynu.com return 173.0.55.138 and 2607:f8f8:631:8612::2.
Host names pointing to a single IP address:
ns1.dynu.com resolves to the IP address 72.51.58.2.
Mail Servers
css4.us has one mail server: css4-us.mail.protection.outlook.com.
css4-us.mail.protection.outlook.com points to 8 IP numbers: 52.101.10.6, 52.101.41.24, 52.101.41.54 and 5 other.