grcore.com - dns.ninja

`grcore.com`

DNSSEC	⚠️ Not signed
NS	`ns-1258.awsdns-29.org` ⭐
		A	2600:9000:5304:ea00::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1258.awsdns-29.org`
		A	205.251.196.234^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1258.awsdns-29.org`
NS	`ns-1939.awsdns-50.co.uk`
		A	2600:9000:5307:9300::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1939.awsdns-50.co.uk`
		A	205.251.199.147^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1939.awsdns-50.co.uk`
NS	`ns-280.awsdns-35.com`
		A	2600:9000:5301:1800::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-280.awsdns-35.com`
		A	205.251.193.24^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-280.awsdns-35.com`
NS	`ns-954.awsdns-55.net`
		A	2600:9000:5303:ba00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-954.awsdns-55.net`
		A	205.251.195.186^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-954.awsdns-55.net`
MX	`grcore-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc1a::^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tycp286cu02600.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::2^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tyvp286cu00302.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1f::^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os9p286cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:cc24::^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os0p286cu01300.inbound.protection.outlook.com`
		A	52.101.124.0^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-tycp286cu02600.inbound.protection.outlook.com`
		A	52.101.157.10^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os0p286cu01302.inbound.protection.outlook.com`
		A	52.101.157.11^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os0p286cu01203.inbound.protection.outlook.com`
		A	52.101.157.40^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os9p286cu00100.inbound.protection.outlook.com`
TXT	`MS=ms12911792`
TXT	`anthropic-domain-verification-zjhctx=w40WergtKI3kMSOoHDZaun7w4`
TXT	`atlassian-domain-verification=leQgoMW2ticg/ECj0oRoc43PSiL37jX3akJD1jnGcb55o1V...`
TXT	`box-domain-verification=025204690b6211b18916c8a91684a41488ac680ec00d918ef9da5...`
TXT	`box-domain-verification=2409030`
TXT	`box-domain-verification=f51f12f2507293cf441cab3292112a6a32932b3cce0cf5fccb5d8...`
TXT	`cisco-ci-domain-verification=1c72f80daed5d820cfaecd46f9b2796d6e0732d5f2662b0b...`
TXT	`flexera-domain-verification-byfqambggoyrgnjz`
TXT	`gamma-domain-verification-3f0bar=dARpR2owzFXAsO94Hyeexq5Ao`
TXT	`google-site-verification=g2TiblgHBszO2eA6lRT8WONEhnfFc9QeSfsOF7RriM8`
TXT	`google-site-verification=nMtMM0KzipPbeARgYSm_wB3Fr05CS_1ccAck7bUaOgQ`
TXT	`jamf-site-verification=34iZE0KwFk7UG-89P9XeCg`
TXT	`nulab-verification-code=iCdgvmGTnt0OYXnObXWxV8oaj1t4fLoh3G1RZRquXqXQR3rBSfXg1...`
TXT	`openai-domain-verification=dv-LumTktOzW4tyZD4ogjRJuDqT`
TXT	`perplexity-ai-domain-verification-zk0chk=r4AJcnVgKpwARibXR0BggwlCg`
TXT	`taegis-domain-verification=8a8a3aed17fc4b30d722b4397fbd418e934a3c23f7ae4d2484...`
TXT	`v=spf1 mx include:spf.protection.outlook.com include:spf.wise365cloud.com ip4...`
SOA	`ns-1258.awsdns-29.org`awsdns-hostmaster@amazon.com serial=1

`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=1783720647

Same first word

grcore.com

Similar names

corger.com

gercor.com.fr

regcor.ru

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grocer.at

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corger.nl

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grecor.com

creorg.ch

DNS History

7 records (5 active, 2 former)

●NSns-1258.awsdns-29.org2026-03-20 → 2026-07-10 · 3 obs

○ 2018-06-07 20:33:44
● 2026-03-20 22:38:48
● 2026-07-10 22:25:50

●NSns-1939.awsdns-50.co.uk2026-03-20 → 2026-07-10 · 3 obs

○ 2018-06-07 20:33:44
● 2026-03-20 22:38:48
● 2026-07-10 22:25:50

●NSns-280.awsdns-35.com2026-03-20 → 2026-07-10 · 3 obs

○ 2018-06-07 20:33:44
● 2026-03-20 22:38:48
● 2026-07-10 22:25:50

●NSns-954.awsdns-55.net2026-03-20 → 2026-07-10 · 3 obs

○ 2018-06-07 20:33:44
● 2026-03-20 22:38:48
● 2026-07-10 22:25:50

○NSns.inte.co.jp2016-12-21 → 2018-06-07 · 4 obs

● 2016-12-21 01:00:06
● 2018-06-07 20:33:44
○ 2026-03-20 22:38:48
○ 2026-07-10 22:25:50

○NSns1.inte.co.jp2016-12-21 → 2018-06-07 · 4 obs

● 2016-12-21 01:00:06
● 2018-06-07 20:33:44
○ 2026-03-20 22:38:48
○ 2026-07-10 22:25:50

●MXgrcore-com.mail.protection.outlook.com2026-03-20 → 2026-07-10 · 2 obs

● 2026-03-20 22:38:48
● 2026-07-10 22:25:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
grcore.com	ns-280.awsdns-35.com, ns-954.awsdns-55.net, ns-1258.awsdns-29.org, ns-1939.awsdns-50.co.uk	2 records

✅ Authoritative Response

Server:205.251.193.24

NS records: ns-280.awsdns-35.com, ns-954.awsdns-55.net, ns-1258.awsdns-29.org, ns-1939.awsdns-50.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for grcore.com (unsigned zone)

⏱️ Timing

Total: 482ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns-1258.awsdns-29.org, ns-1939.awsdns-50.co.uk...`
MX	1	`grcore-com.mail.protection.outlook.com (`
TXT	17	`MS=ms12911792, anthropic-domain-verification-zjhctx=w40...`
SOA	1	`ns-1258.awsdns-29.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-280.awsdns-35.com, ns-280.awsdns-35.com)

Analysis

Name Servers

The authoritative name servers for grcore.com are ns-280.awsdns-35.com, ns-954.awsdns-55.net, ns-1258.awsdns-29.org and ns-1939.awsdns-50.co.uk.

grcore.com has at least partial name server overlap with other domains, such as chocolates-e.com, amazonshippingcenter35.com, yeditepe.mobi and two others.

ns-280.awsdns-35.com, ns-954.awsdns-55.net, ns-1258.awsdns-29.org and ns-1939.awsdns-50.co.uk all point to exactly two IP numbers each: ns-280.awsdns-35.com → 205.251.193.24 and 2600:9000:5301:1800::1; ns-954.awsdns-55.net → 205.251.195.186 and 2600:9000:5303:ba00::1; ns-1258.awsdns-29.org → 205.251.196.234 and 2600:9000:5304:ea00::1; ns-1939.awsdns-50.co.uk → 205.251.199.147 and 2600:9000:5307:9300::1.

Mail Servers

Mail for grcore.com is handled by a single mail server, grcore-com.mail.protection.outlook.com.

grcore-com.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.124.0, 52.101.157.10, 52.101.157.11 and 5 others.