mertha.com - robtex.com
mertha.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 75.2.0.44🇺🇸 Amazon75.2.0.0/20 | ||||||
| A | 99.83.248.72🇺🇸 Amazon99.83.240.0/20 | ||||||
| NS | ns1.hosting.co.kr ⭐ | ||||||
| A | 121.254.170.11🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| NS | ns2.hosting.co.kr | ||||||
| A | 43.201.141.93🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix | ||||||
| NS | ns3.hosting.co.kr | ||||||
| A | 121.254.170.12🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| NS | ns4.hosting.co.kr | ||||||
| A | 43.201.141.93🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix | ||||||
| SOA | ns1.hosting.co.kradmin@mertha.com serial=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=1784808527 | ||||||
Same first word
Similar names
DNS History
15 records (6 active, 9 former)
●NSns1.hosting.co.kr2026-07-03 → 2026-07-23 · 3 obs
● 2026-07-03 11:14:06
● 2026-07-23 12:26:00
○NSns1.ireithost.com2007-08-16 → 2007-08-16 · 3 obs
○ 2015-07-11 16:28:10
○ 2026-07-23 12:26:00
○NSns1.sedoparking.com2015-07-11 → 2017-06-17 · 5 obs
● 2015-07-11 16:28:10
● 2017-06-17 08:40:44
○ 2026-07-03 11:14:06
○ 2026-07-23 12:26:00
●NSns2.hosting.co.kr2026-07-03 → 2026-07-23 · 3 obs
● 2026-07-03 11:14:06
● 2026-07-23 12:26:00
○NSns2.ireithost.com2007-08-16 → 2007-08-16 · 3 obs
○ 2015-07-11 16:28:10
○ 2026-07-23 12:26:00
○NSns2.sedoparking.com2015-07-11 → 2017-06-17 · 5 obs
● 2015-07-11 16:28:10
● 2017-06-17 08:40:44
○ 2026-07-03 11:14:06
○ 2026-07-23 12:26:00
●NSns3.hosting.co.kr2026-07-03 → 2026-07-23 · 3 obs
● 2026-07-03 11:14:06
● 2026-07-23 12:26:00
●NSns4.hosting.co.kr2026-07-03 → 2026-07-23 · 3 obs
● 2026-07-03 11:14:06
● 2026-07-23 12:26:00
○MXlocalhost2017-06-17 → 2017-06-17 · 4 obs
● 2017-06-17 08:40:44
○ 2026-07-03 11:14:06
○ 2026-07-23 12:26:00
○MXmail.nickstel.com2015-07-11 → 2016-07-23 · 5 obs
● 2015-07-11 16:28:10
● 2016-07-23 03:21:00
○ 2017-06-17 08:40:44
○ 2026-07-23 12:26:00
○A63.214.247.1702007-08-16 → 2007-08-16 · 3 obs
○ 2015-07-11 16:28:10
○ 2026-07-23 12:26:00
○A72.52.4.1222017-06-17 → 2017-06-17 · 4 obs
● 2017-06-17 08:40:44
○ 2026-07-03 11:14:06
○ 2026-07-23 12:26:00
○A72.52.4.912015-07-11 → 2016-07-23 · 5 obs
● 2015-07-11 16:28:10
● 2016-07-23 03:21:00
○ 2017-06-17 08:40:44
○ 2026-07-23 12:26:00
●A75.2.0.442026-07-03 → 2026-07-23 · 3 obs
● 2026-07-03 11:14:06
● 2026-07-23 12:26:00
●A99.83.248.722026-07-03 → 2026-07-23 · 3 obs
● 2026-07-03 11:14:06
● 2026-07-23 12:26:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, l.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net... | - |
| mertha.com | ns2.hosting.co.kr, ns1.hosting.co.kr, ns3.hosting.co.kr, ns4.hosting.co.kr | - |
✅ Authoritative Response
Server:43.201.141.93
NS records: ns2.hosting.co.kr, ns1.hosting.co.kr, ns3.hosting.co.kr, ns4.hosting.co.kr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mertha.com (unsigned zone)
⏱️ Timing
Total: 1386ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 99.83.248.72, 75.2.0.44 |
| NS | 4 | ns1.hosting.co.kr, ns4.hosting.co.kr... |
| SOA | 1 | ns1.hosting.co.kr admin.mertha.com |
Analysis
IP Addresses
mertha.com directs to two IP numbers, 75.2.0.44 and 99.83.248.72
Two other host names, along with misung.net, kenox.net and autobookmarker.co.kr, also share IP numbers with mertha.com.
Name Servers
The NS records for mertha.com point to four name servers: ns1.hosting.co.kr, ns2.hosting.co.kr, ns3.hosting.co.kr and ns4.hosting.co.kr.
mertha.com partially shares its NS delegation with several other domains, including ddolmang.com, totalomics.org, zenex.co.kr and two others.
These name servers often co-occur with the name servers dns1.maxion.co.kr.
The hosts ns1.hosting.co.kr, ns2.hosting.co.kr, ns3.hosting.co.kr and ns4.hosting.co.kr each carry one IP address: 121.254.170.11 for ns1.hosting.co.kr, 43.201.141.93 for ns2.hosting.co.kr, 121.254.170.12 for ns3.hosting.co.kr and 43.201.141.93 for ns4.hosting.co.kr. The address 43.201.141.93 is shared by ns2.hosting.co.kr and ns4.hosting.co.kr.
Host names pointing to 43.201.141.93 IP addresses: ns2.hosting.co.kr and ns4.hosting.co.kr.