nk-sys.com - dns.ninja

nk-sys.com

DNSSEC⚠️ Not signed
A2400:8500:1301:162::13:1🇯🇵 GMO-INTERNET2400:8500:1000::/36 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
PTRv2003.coreserver.jp
A163.44.176.13🇯🇵 GMO-INTERNET163.44.176.0/20 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
NSns11.value-domain.com ⭐ ⚠️ Not in parent delegation
A172.64.52.98🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.52.184🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns1.value-domain.com ⚠️ Not in zone NS records
A172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns12.value-domain.com ⚠️ Not in zone NS records
A172.64.53.86🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.53.188🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns13.value-domain.com ⚠️ Not in zone NS records
A172.64.52.98🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.52.184🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns2.value-domain.com ⚠️ Not in parent delegation
A172.64.53.3🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
MXnk-sys.com ⭐
A2400:8500:1301:162::13:1🇯🇵 GMO-INTERNET2400:8500:1000::/36 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
PTRv2003.coreserver.jp
A163.44.176.13🇯🇵 GMO-INTERNET163.44.176.0/20 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
PTRv2003.coreserver.jp
TXTv=spf1 ip4:163.44.176.13 ip6:2400:8500:1301:162::13:1 include:mxr.valueserver...
SOAns1.value-domain.comhostmaster@nk-sys.com 2023-08-23 #13

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1785357387

MX for

nk-sys.com

Same first word

nk-sys.com

Similar names

skn-sy.com
skn-sy.com.cn
kn-sys.com

DNS History

9 records (8 active, 1 former)

NSns1.value-domain.comns11.value-domain.comns12.value-domain.comns13.value-domain.comns2.value-domain.comMXnk-sys.comA163.44.176.132400:8500:1301:162::13:1163.44.177.13
●NSns1.value-domain.com2026-02-14 → 2026-07-29 · 2 obs
● 2026-02-14 20:43:40
● 2026-07-29 21:02:02
●NSns11.value-domain.com2026-02-14 → 2026-07-29 · 2 obs
● 2026-02-14 20:43:40
● 2026-07-29 21:02:02
●NSns12.value-domain.com2026-02-14 → 2026-07-29 · 2 obs
● 2026-02-14 20:43:40
● 2026-07-29 21:02:02
●NSns13.value-domain.com2026-02-14 → 2026-07-29 · 2 obs
● 2026-02-14 20:43:40
● 2026-07-29 21:02:02
●NSns2.value-domain.com2026-02-14 → 2026-07-29 · 2 obs
● 2026-02-14 20:43:40
● 2026-07-29 21:02:02
●MXnk-sys.com2026-02-14 → 2026-07-29 · 2 obs
● 2026-02-14 20:43:40
● 2026-07-29 21:02:02
●A163.44.176.132026-07-29 → 2026-07-29 · 2 obs
○ 2026-02-14 20:43:40
● 2026-07-29 21:02:02
○A163.44.177.132026-02-14 → 2026-02-14 · 2 obs
● 2026-02-14 20:43:40
○ 2026-07-29 21:02:02
●A2400:8500:1301:162::13:12026-02-14 → 2026-07-29 · 2 obs
● 2026-02-14 20:43:40
● 2026-07-29 21:02:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
nk-sys.comns11.value-domain.com, ns12.value-domain.com, ns13.value-domain.com3 records

✅ Authoritative Response

Server:172.64.52.184

NS records: ns11.value-domain.com, ns12.value-domain.com, ns13.value-domain.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nk-sys.com (unsigned zone)

⏱️ Timing

Total: 821ms | Queries: -

📄 Records

TypeCountSample Data
A1163.44.176.13
AAAA12400:8500:1301:162::13:1
NS2ns2.value-domain.com, ns1.value-domain.com
MX1nk-sys.com (pri: 10)
TXT1v=spf1 ip4:163.44.176.13 ip6:2400:8500:1
SOA1ns1.value-domain.com hostmaster.nk-sys.c

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns11.value-domain.com, ns12.value-domain.com, ns13.value-domain.com)

Analysis

Mail Server Role

nk-sys.com acts as its own mail server.

IP Addresses

nk-sys.com has two IP addresses: 163.44.176.13 and 2400:8500:1301:162::13:1

Additional host names — imel.co.jp, amix21.com, ns.bkup.net and two others — share IP numbers with nk-sys.com.

Name Servers

Delegation for nk-sys.com is to five name servers: ns11.value-domain.com, ns12.value-domain.com, ns13.value-domain.com and two others.

The name servers of nk-sys.com overlap at least partially with those of other domains — among them webdia.net, hardz001.com, tymx.net and two more.

These name servers are frequently paired with the name servers ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com and two others.

Host names with two IP numbers:

The A records for ns11.value-domain.com return 172.64.52.98 and 172.64.52.184.

The A records for ns12.value-domain.com return 172.64.53.86 and 172.64.53.188.

The A records for ns13.value-domain.com return 172.64.52.98 and 172.64.52.184.

Host names pointing to a single IP address:

ns1.value-domain.com resolves to the IP address 172.64.52.38.

ns2.value-domain.com resolves to the IP address 172.64.53.3.

ns11.value-domain.com and ns13.value-domain.com each have 172.64.52.98 IP addresses.

ns11.value-domain.com and ns13.value-domain.com each have 172.64.52.184 IP addresses.

Mail Servers

nk-sys.com has a single mail server: nk-sys.com itself.

nk-sys.com resolves to two IP numbers — 163.44.176.13 and 2400:8500:1301:162::13:1.