sdnote.com - robtex.com
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=1783653932 | ||||||
Same first word
sdnote.com |
Similar names
DNS History
6 records (3 active, 3 former)
●NSns.topmania.com2015-08-13 → 2026-07-10 · 2 obs
● 2026-07-10 03:37:46
●NSns2.topmania.com2015-08-13 → 2026-07-10 · 2 obs
● 2026-07-10 03:37:46
○MXmail.sdnote.com2015-08-13 → 2019-02-17 · 4 obs
● 2019-02-17 23:44:52
○ 2026-03-06 05:08:44
○ 2026-07-10 03:37:46
●A210.4.221.112026-03-06 → 2026-07-10 · 3 obs
● 2026-03-06 05:08:44
● 2026-07-10 03:37:46
○A210.4.221.532019-02-17 → 2019-02-17 · 4 obs
● 2019-02-17 23:44:52
○ 2026-03-06 05:08:44
○ 2026-07-10 03:37:46
○A218.234.21.142015-08-13 → 2016-08-10 · 4 obs
● 2016-08-10 20:45:26
○ 2019-02-17 23:44:52
○ 2026-07-10 03:37:46
🔍 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:210.4.221.11
NS records: ns2.topmania.com, ns.topmania.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sdnote.com (unsigned zone)
⏱️ Timing
Total: 427ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.4.221.11 |
| NS | 2 | ns.topmania.com, ns2.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 one IP address: 210.4.221.11.
iretech.kr, topmania.net, www.topmania.com and two other host names share IP numbers with sdnote.com.
Name Servers
DNS delegation for sdnote.com points to two name servers: ns2.topmania.com and ns.topmania.com.
sdnote.com uses the same name servers as several other domains — among them xn--2e0b92ujogoue7xb6ii1e.kr, web-mate.co.kr, illwoo.com and two more.
sdnote.com shares at least some of its name servers with other domains, for example topmania.com, topmania.co.kr, keicorp.co.kr and newbig.com.
These name servers tend to be used in conjunction with the name servers ns3.topmania.com.
Each of ns2.topmania.com and ns.topmania.com has one IP address: ns2.topmania.com uses 3.37.40.5 and ns.topmania.com uses 210.4.221.11.