sdnote.com - dns.ninja
sdnote.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.4.221.11🇰🇷 HCLC-AS-KR210.4.221.0/24 Korea Internet & Security Agency (KISA) Seocho-ro 398, Seocho-gu, Seoul, Korea | ||||||
| PTR | ns.topmania.com | ||||||
| NS | ns2.topmania.com ⭐ | ||||||
| A | 3.37.40.5🇰🇷 Amazon3.36.0.0/14 EC2 ICN prefix | ||||||
| PTR | ns2.topmania.com | ||||||
| NS | ns.topmania.com | ||||||
| A | 210.4.221.11🇰🇷 HCLC-AS-KR210.4.221.0/24 Korea Internet & Security Agency (KISA) Seocho-ro 398, Seocho-gu, Seoul, Korea | ||||||
| PTR | ns.topmania.com | ||||||
| SOA | ns.topmania.commaster@topmania.com 2025-01-09 #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=1783822827 | ||||||
Same first word
sdnote.com |
Similar names
DNS History
6 records (3 active, 3 former)
●NSns.topmania.com2015-08-13 → 2026-07-12 · 2 obs
● 2026-07-12 02:38:12
●NSns2.topmania.com2015-08-13 → 2026-07-12 · 2 obs
● 2026-07-12 02:38:12
○MXmail.sdnote.com2015-08-13 → 2019-02-17 · 4 obs
● 2019-02-17 23:44:52
○ 2026-03-06 05:08:44
○ 2026-07-12 02:38:12
●A210.4.221.112026-03-06 → 2026-07-12 · 3 obs
● 2026-03-06 05:08:44
● 2026-07-12 02:38:12
○A210.4.221.532019-02-17 → 2019-02-17 · 4 obs
● 2019-02-17 23:44:52
○ 2026-03-06 05:08:44
○ 2026-07-12 02:38:12
○A218.234.21.142015-08-13 → 2016-08-10 · 4 obs
● 2016-08-10 20:45:26
○ 2019-02-17 23:44:52
○ 2026-07-12 02:38:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| sdnote.com | ns2.topmania.com, ns.topmania.com | 2 records |
✅ Authoritative Response
Server:3.37.40.5
NS records: ns2.topmania.com, ns.topmania.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sdnote.com (unsigned zone)
⏱️ Timing
Total: 419ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.4.221.11 |
| NS | 2 | ns2.topmania.com, ns.topmania.com |
| SOA | 1 | ns.topmania.com master.topmania.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.topmania.com, ns.topmania.com)
Analysis
IP Addresses
sdnote.com resolves to just one IP address, 210.4.221.11.
Two other host names, along with iretech.kr, topmania.net and www.topmania.com, also share IP numbers with sdnote.com.
Name Servers
sdnote.com is delegated to two name servers: ns2.topmania.com and ns.topmania.com.
sdnote.com shares its NS records with other domains, for example xn--2e0b92ujogoue7xb6ii1e.kr, web-mate.co.kr, illwoo.com and two others.
sdnote.com has name servers in common with a number of other domains — topmania.com, topmania.co.kr, keicorp.co.kr and newbig.com among them.
These name servers are routinely deployed together with the name servers ns3.topmania.com.
ns2.topmania.com → 3.37.40.5 and ns.topmania.com → 210.4.221.11: one IP number per host name.