40core.com - dns.ninja

`40core.com`

DNSSEC	⚠️ Not signed
A	208.98.35.107^{🇺🇸 SHARKTECH-1208.98.35.0/24}
NS	`ns1.site4now.net` ⭐
		A	70.39.73.45^{🇺🇸 SHARKTECH-170.39.73.0/24 PNAP-CHG FDCS Route}
			PTR	`jbe4j12sz.rollforsurprise.com`
		A	204.188.197.84^{🇺🇸 SHARKTECH-1204.188.192.0/18 Sharktech Inc.}
		A	204.188.197.246^{🇺🇸 SHARKTECH-1204.188.192.0/18 Sharktech Inc.}
			PTR	`ns1.accessrgn.net`
NS	`ns2.site4now.net`
		A	45.58.159.232^{🇳🇱 SHARKTECH-145.58.159.0/24}
			PTR	`customer.sharktech.net`
		A	45.58.159.233^{🇳🇱 SHARKTECH-145.58.159.0/24}
			PTR	`customer.sharktech.net`
		A	208.98.36.41^{🇺🇸 SHARKTECH-1208.98.36.0/24}
NS	`ns3.site4now.net`
		A	45.58.159.230^{🇳🇱 SHARKTECH-145.58.159.0/24}
			PTR	`customer.sharktech.net`
		A	45.58.159.231^{🇳🇱 SHARKTECH-145.58.159.0/24}
			PTR	`customer.sharktech.net`
		A	208.98.36.42^{🇺🇸 SHARKTECH-1208.98.36.0/24}
MX	`igw05.site4now.net` ⭐
		A	208.98.34.55^{🇺🇸 SHARKTECH-1208.98.34.0/24}
			PTR	`mail5005.site4now.net`
TXT	`v=spf1 a mx include:_spf.site4now.net ?all`
SOA	`ns1.site4now.net`hostmaster@smarterasp.net 2024-05-19 #6

`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.net`nstld@verisign-grs.com serial=1783223356

Same first word

40core.com

Similar names

core04.co.kr

core04.kr

core40.com

DNS History

5 records (5 active, 0 former)

●NSns1.site4now.net2026-03-09 → 2026-07-05 · 2 obs

● 2026-03-09 12:56:00
● 2026-07-05 04:01:50

●NSns2.site4now.net2026-03-09 → 2026-07-05 · 2 obs

● 2026-03-09 12:56:00
● 2026-07-05 04:01:50

●NSns3.site4now.net2026-03-09 → 2026-07-05 · 2 obs

● 2026-03-09 12:56:00
● 2026-07-05 04:01:50

●MXigw05.site4now.net2026-03-09 → 2026-07-05 · 2 obs

● 2026-03-09 12:56:00
● 2026-07-05 04:01:50

●A208.98.35.1072026-03-09 → 2026-07-05 · 2 obs

● 2026-03-09 12:56:00
● 2026-07-05 04:01:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
40core.com	ns1.site4now.net, ns2.site4now.net, ns3.site4now.net	-

✅ Authoritative Response

Server:204.188.197.246

NS records: ns1.site4now.net, ns2.site4now.net, ns3.site4now.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 40core.com (unsigned zone)

⏱️ Timing

Total: 341ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`208.98.35.107`
NS	3	`ns3.site4now.net, ns2.site4now.net...`
MX	1	`igw05.site4now.net (pri: 10)`
TXT	1	`v=spf1 a mx include:_spf.site4now.net ?a`
SOA	1	`ns1.site4now.net hostmaster.smarterasp.n`

Analysis

IP Addresses

40core.com has exactly one IP address — 208.98.35.107.

advocacialopes.adv.br, ssocentral.raynix.org, raynix.org plus two other host names have IP numbers in common with 40core.com.

Name Servers

40core.com carries NS records delegating to ns1.site4now.net, ns2.site4now.net and ns3.site4now.net.

40core.com has at least partial name server overlap with other domains, such as yourenglishonline.com, clonechild.net, calgarychess.com and two others.

ns1.site4now.net, ns2.site4now.net and ns3.site4now.net all point to three IP numbers each: ns1.site4now.net resolves to 70.39.73.45, 204.188.197.84 and 204.188.197.246; ns2.site4now.net resolves to 45.58.159.232, 45.58.159.233 and 208.98.36.41; ns3.site4now.net resolves to 45.58.159.230, 45.58.159.231 and 208.98.36.42.

Mail Servers

40core.com uses one mail server — igw05.site4now.net.

The mail server setup of 40core.com matches that of other domains such as tradesverge.com, edgewoodhospital.com, drinc.ca and two others.

At least some of the mail servers used by 40core.com are shared with other domains: weddingplannerpuntacana.com, bcmfarquitetos.com, gurfilter.com and two others among them.

These mail servers tend to be used in combination with the mail servers alt2.aspmx.l.google.com and alt3.aspmx.l.google.com.

igw05.site4now.net carries a single IP number, which is 208.98.34.55.