polytec.kr - dns.ninja

polytec.kr

DNSSEC⚠️ Not signed
A118.67.131.217🇰🇷 NBPAP-AS-AP118.67.128.0/19 NAVER business platform cloud service
NSns1.whoisdomain.kr
A223.130.139.7🇰🇷 NBPAP-AS-AP223.130.128.0/19 NAVER business platform cloud service
NSns2.whoisdomain.kr
A211.188.57.152🇰🇷 NBPAP-AS-AP211.188.48.0/20 NAVER business platform cloud service
NSns3.whoisdomain.kr
A61.97.189.22🇰🇷 nhn-AS-KR61.97.176.0/20 NAVER business platform cloud service
NSns4.whoisdomain.kr
A219.251.156.134🇰🇷 GDNSKR-KR219.251.156.0/24 AS23600
MXkr1-aspmx1.worksmobile.com
A125.209.209.251🇰🇷 nhn-AS-KR125.209.208.0/22 NAVER business platform
PTRcrcvmail.worksmobile.com
MXkr1-aspmx2.worksmobile.com(20)
A125.209.209.251🇰🇷 nhn-AS-KR125.209.208.0/22 NAVER business platform
PTRcrcvmail.worksmobile.com
TXTv=spf1 include:spf.worksmobile.com ~all
SOAns1.whoisdomain.krhelp@whois.co.kr 2024-11-28 #1

kr

DNSSEC🔒 Signed (DS record present)
NSg.dns.kr
NSb.dns.kr
NSc.dns.kr
NSd.dns.kr
NSe.dns.kr
NSf.dns.kr
SOAg.dns.krdomain-manager@nic.or.kr serial=2606060824

Same first word

Similar names

DNS History

7 records (7 active, 0 former)

NSns1.whoisdomain.krns2.whoisdomain.krns3.whoisdomain.krns4.whoisdomain.krMXkr1-aspmx1.worksmobile.comkr1-aspmx2.worksmobile.comA118.67.131.217
NSns1.whoisdomain.kr2026-04-04 → 2026-06-06 · 2 obs
● 2026-04-04 21:03:52
● 2026-06-06 20:12:18
NSns2.whoisdomain.kr2026-04-04 → 2026-06-06 · 2 obs
● 2026-04-04 21:03:52
● 2026-06-06 20:12:18
NSns3.whoisdomain.kr2026-04-04 → 2026-06-06 · 2 obs
● 2026-04-04 21:03:52
● 2026-06-06 20:12:18
NSns4.whoisdomain.kr2026-04-04 → 2026-06-06 · 2 obs
● 2026-04-04 21:03:52
● 2026-06-06 20:12:18
MXkr1-aspmx1.worksmobile.com2026-04-04 → 2026-06-06 · 2 obs
● 2026-04-04 21:03:52
● 2026-06-06 20:12:18
MXkr1-aspmx2.worksmobile.com2026-04-04 → 2026-06-06 · 2 obs
● 2026-04-04 21:03:52
● 2026-06-06 20:12:18
A118.67.131.2172026-04-04 → 2026-06-06 · 2 obs
● 2026-04-04 21:03:52
● 2026-06-06 20:12:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
krc.dns.kr, g.dns.kr, b.dns.kr, f.dns.kr...-
polytec.krns4.whoisdomain.kr, ns1.whoisdomain.kr, ns2.whoisdomain.kr, ns3.whoisdomain.kr4 records

✅ Authoritative Response

Server:219.251.156.134

NS records: ns4.whoisdomain.kr, ns1.whoisdomain.kr, ns2.whoisdomain.kr, ns3.whoisdomain.kr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for polytec.kr (unsigned zone)

⏱️ Timing

Total: 1103ms | Queries: -

📄 Records

TypeCountSample Data
A1118.67.131.217
NS4ns4.whoisdomain.kr, ns2.whoisdomain.kr...
MX2kr1-aspmx2.worksmobile.com (pri: 20), kr1-aspmx1.worksmobile.com (pri: 10)
TXT1v=spf1 include:spf.worksmobile.com ~all
SOA1ns1.whoisdomain.kr help.whois.co.kr

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns4.whoisdomain.kr, ns3.whoisdomain.kr, ns2.whoisdomain.kr...)

Analysis

IP Addresses

polytec.kr has exactly one IP address — 118.67.131.217.

eziyenbio.com, instarco.com, xn--980bn1a579cnxh.net plus two other host names have IP numbers in common with polytec.kr.

Name Servers

DNS for polytec.kr is handled by 4 name servers: ns1.whoisdomain.kr, ns2.whoisdomain.kr, ns3.whoisdomain.kr and ns4.whoisdomain.kr.

There is at least partial name server overlap between polytec.kr and other domains — shasset.com, bexco.org, hanwhadirect.net and two more among them.

Four host names, each with one IP address: ns1.whoisdomain.kr has 223.130.139.7, ns2.whoisdomain.kr has 211.188.57.152, ns3.whoisdomain.kr has 61.97.189.22 and ns4.whoisdomain.kr has 219.251.156.134.

Mail Servers

polytec.kr uses two mail servers, kr1-aspmx1.worksmobile.com and kr1-aspmx2.worksmobile.com.

The mail server setup of polytec.kr matches that of other domains such as sianpark.co.kr, daonidc.com, pied.kr and two others.

At least some of the mail servers used by polytec.kr are shared with other domains: itad.kr, fimoland.co.kr, fine-car.com and two others among them.

Both kr1-aspmx1.worksmobile.com and kr1-aspmx2.worksmobile.com have a single IP address, 125.209.209.251, and share it.

Host names pointing to 125.209.209.251 IP addresses: kr1-aspmx1.worksmobile.com and kr1-aspmx2.worksmobile.com.