core-sd.com - dns.ninja

`core-sd.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:198f^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:864d^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.25.143^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.134.77^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`arushi.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:263d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arushi.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c23d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`arushi.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:223d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`arushi.ns.cloudflare.com`
		A	108.162.194.61^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arushi.ns.cloudflare.com`
		A	162.159.38.61^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arushi.ns.cloudflare.com`
		A	172.64.34.61^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arushi.ns.cloudflare.com`
NS	`rommy.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c14^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rommy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c314^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rommy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2314^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rommy.ns.cloudflare.com`
		A	108.162.195.20^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rommy.ns.cloudflare.com`
		A	162.159.44.20^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rommy.ns.cloudflare.com`
		A	172.64.35.20^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rommy.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.25.143, 172.67.134.77
		IPv6 hints	2606:4700:3030::6815:198f, 2606:4700:3031::ac43:864d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=230, name=cloudflare-ech.com
SOA	`arushi.ns.cloudflare.com`dns@cloudflare.com serial=2407312610

`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=1782844371

Same first word

core-sd.com

Similar names

sd-core.com

rs-code.de

creo-ds.com

s-coder.com

s-decor.vn

s-decor.de

ecs-ord.jp

roces-d.com

eros-dc.com

sr-code.com

rs-code.com

os-cedr.cz

sod-rec.de

credo-s.ru

scor-ed.com

ds-core.com

coder-s.com

dc-eros.com

core-ds.de

code-rs.com

de-cors.com

d-score.com

er-docs.com

s-decor.ru

s-codre.ru

DNS History

15 records (6 active, 9 former)

●NSarushi.ns.cloudflare.com2026-05-15 → 2026-06-30 · 3 obs

○ 2016-12-16 21:13:30
● 2026-05-15 22:46:00
● 2026-06-30 18:40:02

○NSdns10.hichina.com2016-12-16 → 2016-12-16 · 3 obs

● 2016-12-16 21:13:30
○ 2026-05-15 22:46:00
○ 2026-06-30 18:40:02

○NSdns9.hichina.com2016-12-16 → 2016-12-16 · 3 obs

● 2016-12-16 21:13:30
○ 2026-05-15 22:46:00
○ 2026-06-30 18:40:02

●NSrommy.ns.cloudflare.com2026-05-15 → 2026-06-30 · 3 obs

○ 2016-12-16 21:13:30
● 2026-05-15 22:46:00
● 2026-06-30 18:40:02

●A104.21.25.1432026-05-26 → 2026-06-30 · 3 obs

○ 2026-05-15 22:46:00
● 2026-05-26 01:45:58
● 2026-06-30 18:40:02

○A121.42.101.812016-12-16 → 2016-12-16 · 3 obs

● 2016-12-16 21:13:30
○ 2026-05-15 22:46:00
○ 2026-06-30 18:40:02

●A172.67.134.772026-05-26 → 2026-06-30 · 3 obs

○ 2026-05-15 22:46:00
● 2026-05-26 01:45:58
● 2026-06-30 18:40:02

○A188.114.96.02026-05-15 → 2026-05-15 · 4 obs

○ 2016-12-16 21:13:30
● 2026-05-15 22:46:00
○ 2026-05-26 01:45:58
○ 2026-06-30 18:40:02

○A188.114.97.02026-05-15 → 2026-05-15 · 4 obs

○ 2016-12-16 21:13:30
● 2026-05-15 22:46:00
○ 2026-05-26 01:45:58
○ 2026-06-30 18:40:02

●A2606:4700:3030::6815:198f2026-06-30 → 2026-06-30 · 2 obs

○ 2026-06-11 13:12:32
● 2026-06-30 18:40:02

●A2606:4700:3031::ac43:864d2026-06-30 → 2026-06-30 · 2 obs

○ 2026-06-11 13:12:32
● 2026-06-30 18:40:02

○A2606:4700:3033::6815:198f2026-05-26 → 2026-06-11 · 4 obs

○ 2026-05-15 22:46:00
● 2026-05-26 01:45:58
● 2026-06-11 13:12:32
○ 2026-06-30 18:40:02

○A2606:4700:3036::ac43:864d2026-05-26 → 2026-06-11 · 4 obs

○ 2026-05-15 22:46:00
● 2026-05-26 01:45:58
● 2026-06-11 13:12:32
○ 2026-06-30 18:40:02

○A2a06:98c1:3120::2026-05-15 → 2026-05-15 · 4 obs

○ 2016-12-16 21:13:30
● 2026-05-15 22:46:00
○ 2026-05-26 01:45:58
○ 2026-06-30 18:40:02

○A2a06:98c1:3121::2026-05-15 → 2026-05-15 · 4 obs

○ 2016-12-16 21:13:30
● 2026-05-15 22:46:00
○ 2026-05-26 01:45:58
○ 2026-06-30 18:40:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net, l.gtld-servers.net...	-
core-sd.com	arushi.ns.cloudflare.com, rommy.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.61

NS records: arushi.ns.cloudflare.com, rommy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for core-sd.com (unsigned zone)

⏱️ Timing

Total: 207ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.25.143, 172.67.134.77`
AAAA	2	`2606:4700:3031::ac43:864d, 2606:4700:3030::6815:198f`
NS	2	`arushi.ns.cloudflare.com, rommy.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`arushi.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (arushi.ns.cloudflare.com, arushi.ns.cloudflare.com, arushi.ns.cloudflare.com...)

Analysis

IP Addresses

core-sd.com points to the four IP addresses 104.21.25.143, 172.67.134.77, 2606:4700:3030::6815:198f and 2606:4700:3031::ac43:864d.

Two other host names, along with t8n2r.com, romarins.com and westcoastmarineadvisor.com, also share IP numbers with core-sd.com.

Name Servers

core-sd.com has two authoritative name servers — arushi.ns.cloudflare.com and rommy.ns.cloudflare.com.

core-sd.com shares its NS records with other domains, for example yiju521.com, yujianet.com, sh-angli.com and two others.

The name servers of core-sd.com overlap at least partially with those of other domains — among them rosehillrail.com, c2-apps.com, bracarenseribeiro.com.br and two more.

The name servers nova.ns.cloudflare.com, eoin.ns.cloudflare.com, quentin.ns.cloudflare.com and two others are commonly seen in use alongside these name servers.

DNS names with 6 IP addresses:

arushi.ns.cloudflare.com points to 108.162.194.61, 162.159.38.61, 172.64.34.61 and 3 other IP addresses.

rommy.ns.cloudflare.com points to 108.162.195.20, 162.159.44.20, 172.64.35.20 and 3 other IP addresses.