firstsr.com - robtex.com
firstsr.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 183.111.139.232🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM | ||||||
| A | 203.245.12.103🇰🇷 KT-NET203.245.0.0/18 contact chejumen@hitel.net if necessary contact country1@hitel.net if necessary contact express@hitel.net if necessary contact ezmate@hitel.net if necessary contact han322@hitel.net if necessary | ||||||
| A | 203.245.12.126🇰🇷 KT-NET203.245.0.0/18 contact chejumen@hitel.net if necessary contact country1@hitel.net if necessary contact express@hitel.net if necessary contact ezmate@hitel.net if necessary contact han322@hitel.net if necessary | ||||||
| A | 203.245.12.127🇰🇷 KT-NET203.245.0.0/18 contact chejumen@hitel.net if necessary contact country1@hitel.net if necessary contact express@hitel.net if necessary contact ezmate@hitel.net if necessary contact han322@hitel.net if necessary | ||||||
| NS | firstsr.com ⭐ | ||||||
| A | 183.111.139.232🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM | ||||||
| A | 203.245.12.103🇰🇷 KT-NET203.245.0.0/18 contact chejumen@hitel.net if necessary contact country1@hitel.net if necessary contact express@hitel.net if necessary contact ezmate@hitel.net if necessary contact han322@hitel.net if necessary | ||||||
| A | 203.245.12.126🇰🇷 KT-NET203.245.0.0/18 contact chejumen@hitel.net if necessary contact country1@hitel.net if necessary contact express@hitel.net if necessary contact ezmate@hitel.net if necessary contact han322@hitel.net if necessary | ||||||
| A | 203.245.12.127🇰🇷 KT-NET203.245.0.0/18 contact chejumen@hitel.net if necessary contact country1@hitel.net if necessary contact express@hitel.net if necessary contact ezmate@hitel.net if necessary contact han322@hitel.net if necessary | ||||||
| NS | dns1.cafe24.co.kr ⚠️ Not in zone NS records | ||||||
| A | 112.175.246.228🇰🇷 KT-NET112.168.0.0/13 | ||||||
| A | 112.175.246.229🇰🇷 KT-NET112.168.0.0/13 | ||||||
| A | 175.125.93.132🇰🇷 SKB-NET175.120.0.0/13 SKB summary | ||||||
| A | 175.125.93.133🇰🇷 SKB-NET175.120.0.0/13 SKB summary | ||||||
| NS | dns1.cafe24.com ⚠️ Not in zone NS records | ||||||
| A | 112.175.246.226🇰🇷 KT-NET112.168.0.0/13 | ||||||
| A | 112.175.246.227🇰🇷 KT-NET112.168.0.0/13 | ||||||
| A | 175.125.93.130🇰🇷 SKB-NET175.120.0.0/13 SKB summary | ||||||
| A | 175.125.93.131🇰🇷 SKB-NET175.120.0.0/13 SKB summary | ||||||
| NS | ns.cafe24.com ⚠️ Not in parent delegation | ||||||
| A | 112.175.246.226🇰🇷 KT-NET112.168.0.0/13 | ||||||
| A | 112.175.247.226🇰🇷 KT-NET112.168.0.0/13 | ||||||
| A | 175.125.93.135🇰🇷 SKB-NET175.120.0.0/13 SKB summary | ||||||
| PTR | ip-175-125-93-135.defastlink.net | ||||||
| A | 175.125.93.145🇰🇷 SKB-NET175.120.0.0/13 SKB summary | ||||||
| NS | ns0.cafe24.com ⚠️ Not in parent delegation | ||||||
| A | 116.126.143.241🇰🇷 SKB-NET116.126.0.0/16 SK Broadband | ||||||
| NS | ns1.cafe24.com ⚠️ Not in parent delegation | ||||||
| A | 112.175.246.230🇰🇷 KT-NET112.168.0.0/13 | ||||||
| PTR | ip-112-175-246-230.defastlink.net | ||||||
| A | 112.175.246.231🇰🇷 KT-NET112.168.0.0/13 | ||||||
| PTR | ip-112-175-246-231.defastlink.net | ||||||
| A | 116.126.143.242🇰🇷 SKB-NET116.126.0.0/16 SK Broadband | ||||||
| PTR | ip-116-126-143-242.defastlink.net | ||||||
| A | 175.125.93.134🇰🇷 SKB-NET175.120.0.0/13 SKB summary | ||||||
| PTR | ip-175-125-93-134.defastlink.net | ||||||
| A | 175.125.93.135🇰🇷 SKB-NET175.120.0.0/13 SKB summary | ||||||
| PTR | ip-175-125-93-135.defastlink.net | ||||||
| NS | ns2.cafe24.com ⚠️ Not in parent delegation | ||||||
| A | 1.226.85.4🇰🇷 SKB-NET1.224.0.0/13 auto-generated route object for 1.224.0.0/13 | ||||||
| PTR | ip-1-226-85-4.defastlink.net | ||||||
| A | 1.234.0.4🇰🇷 SKB-NET1.232.0.0/13 auto-generated route object for 1.232.0.0/13 | ||||||
| PTR | ip-1-234-0-4.defastlink.net | ||||||
| A | 112.175.11.4🇰🇷 KT-NET112.168.0.0/13 | ||||||
| PTR | ip-112-175-11-4.defastlink.net | ||||||
| A | 112.175.12.4🇰🇷 KT-NET112.168.0.0/13 | ||||||
| PTR | ip-112-175-12-4.defastlink.net | ||||||
| SOA | firstsr.compostmaster@firstsr.com serial=20130130 | ||||||
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=1771291435 | ||||||
NS for
firstsr.com |
Same first word
firstsr.com |
Similar names
DNS History
13 records (11 active, 2 former)
●NSdns1.cafe24.co.kr2026-03-11 → 2026-03-14 · 3 obs
● 2026-03-11 09:15:50
● 2026-03-14 14:16:18
●NSdns1.cafe24.com2026-03-11 → 2026-03-14 · 3 obs
● 2026-03-11 09:15:50
● 2026-03-14 14:16:18
●NSfirstsr.com2015-08-13 → 2026-03-14 · 2 obs
● 2026-03-14 14:16:18
●NSns.cafe24.com2015-08-13 → 2026-03-14 · 5 obs
● 2017-06-26 17:59:08
○ 2026-03-11 09:15:50
● 2026-03-14 09:07:16
● 2026-03-14 14:16:18
●NSns0.cafe24.com2015-08-13 → 2026-03-14 · 5 obs
● 2017-06-26 17:59:08
○ 2026-03-11 09:15:50
● 2026-03-14 09:07:16
● 2026-03-14 14:16:18
●NSns1.cafe24.com2015-08-13 → 2026-03-14 · 5 obs
● 2017-06-26 17:59:08
○ 2026-03-11 09:15:50
● 2026-03-14 09:07:16
● 2026-03-14 14:16:18
●NSns2.cafe24.com2015-08-13 → 2026-03-14 · 5 obs
● 2017-06-26 17:59:08
○ 2026-03-11 09:15:50
● 2026-03-14 09:07:16
● 2026-03-14 14:16:18
○A112.175.59.1532015-08-13 → 2016-08-12 · 4 obs
● 2016-08-12 01:18:28
○ 2017-06-26 17:59:08
○ 2026-03-14 14:16:18
○A14.128.131.2012017-06-26 → 2017-06-26 · 4 obs
● 2017-06-26 17:59:08
○ 2026-03-11 09:15:50
○ 2026-03-14 14:16:18
●A183.111.139.2322026-03-11 → 2026-03-14 · 3 obs
● 2026-03-11 09:15:50
● 2026-03-14 14:16:18
●A203.245.12.1032026-03-11 → 2026-03-14 · 3 obs
● 2026-03-11 09:15:50
● 2026-03-14 14:16:18
●A203.245.12.1262026-03-11 → 2026-03-14 · 3 obs
● 2026-03-11 09:15:50
● 2026-03-14 14:16:18
●A203.245.12.1272026-03-11 → 2026-03-14 · 3 obs
● 2026-03-11 09:15:50
● 2026-03-14 14:16:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net, b.gtld-servers.net... | - |
| firstsr.com | dns1.cafe24.com, dns1.cafe24.co.kr | 4 records |
✅ Authoritative Response
Server: 175.125.93.133
NS records: dns1.cafe24.com, dns1.cafe24.co.kr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firstsr.com (unsigned zone)
⏱️ Timing
Total: 1442ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 183.111.139.232, 203.245.12.103... |
| NS | 4 | ns0.cafe24.com, ns.cafe24.com... |
| SOA | 1 | firstsr.com postmaster.firstsr.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (dns1.cafe24.com, dns1.cafe24.com, dns1.cafe24.com...)
Analysis
Name Server Role
firstsr.com serves as a name server for firstsr.com.
dns1.cafe24.com, dns1.cafe24.co.kr and ns0.cafe24.com are commonly used as name servers together with firstsr.com.
IP Addresses
firstsr.com resolves to four IP numbers: 183.111.139.232, 203.245.12.103, 203.245.12.126 and 203.245.12.127.
Other host names such as greenyakcho.com, hlgtt.com, 4augusti.com, bios-kor.com and bigpark.kr share IPs with firstsr.com.
Name Servers
firstsr.com is delegated to seven name servers: firstsr.com, dns1.cafe24.com, ns0.cafe24.com, ns1.cafe24.com, ns2.cafe24.com, ns.cafe24.com and dns1.cafe24.co.kr.
firstsr.com at least partially shares name servers with other domains, for instance hanaba.com, cisp.or.kr, jayhannah.com, anndaisyhome.com and hongsalon.com.
these name servers are commonly used with ns1.cafe24.co.kr, ns2.cafe24.co.kr, dns2.cafe24.com and dns2.cafe24.co.kr.
Five IP numbers:
ns1.cafe24.com has five IP numbers: 112.175.246.230, 112.175.246.231, 116.126.143.242, 175.125.93.134 and 175.125.93.135.
Four IP numbers:
firstsr.com has four IP numbers: 183.111.139.232, 203.245.12.103, 203.245.12.126 and 203.245.12.127.
dns1.cafe24.com has four IP numbers: 112.175.246.226, 112.175.246.227, 175.125.93.130 and 175.125.93.131.
ns2.cafe24.com has four IP numbers: 1.226.85.4, 1.234.0.4, 112.175.11.4 and 112.175.12.4.
ns.cafe24.com has four IP numbers: 112.175.246.226, 112.175.247.226, 175.125.93.135 and 175.125.93.145.
dns1.cafe24.co.kr has four IP numbers: 112.175.246.228, 112.175.246.229, 175.125.93.132 and 175.125.93.133.
One IP number:
ns0.cafe24.com has one IP number: 116.126.143.241.
Those pointing to 175.125.93.135: ns1.cafe24.com and ns.cafe24.com.
Those pointing to 112.175.246.226: dns1.cafe24.com and ns.cafe24.com.