a-core.com - dns.ninja

`a-core.com`

DNSSEC	⚠️ Not signed
A	216.24.57.1^{🇺🇸 AS397273216.24.57.0/24 655 5th St 19 San Francisco CA 94107 United States}
NS	`arnold.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b45^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arnold.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c145^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`arnold.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2145^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`arnold.ns.cloudflare.com`
		A	108.162.193.69^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arnold.ns.cloudflare.com`
		A	172.64.33.69^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arnold.ns.cloudflare.com`
		A	173.245.59.69^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arnold.ns.cloudflare.com`
NS	`ingrid.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aa5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ingrid.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0a5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ingrid.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20a5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ingrid.ns.cloudflare.com`
		A	108.162.192.165^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ingrid.ns.cloudflare.com`
		A	172.64.32.165^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ingrid.ns.cloudflare.com`
		A	173.245.58.165^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ingrid.ns.cloudflare.com`
MX	`us1-smtp-mx1.titanhq.com` ⭐
		A	18.116.252.179^{🇺🇸 Amazon18.116.0.0/14 EC2 CMH Prefix}
			PTR	`us1-smtp-mx1.titanhq.com`
		A	18.218.73.72^{🇺🇸 Amazon18.216.0.0/14 EC2 CMH prefix}
			PTR	`us1-smtp-mx1.titanhq.com`
		A	18.225.12.231^{🇺🇸 Amazon18.224.0.0/14 EC2 CMH prefix}
			PTR	`us1-smtp-mx1.titanhq.com`
MX	`us1-smtp-mx2.titanhq.com`⁽²⁰⁾
		A	18.116.252.179^{🇺🇸 Amazon18.116.0.0/14 EC2 CMH Prefix}
			PTR	`us1-smtp-mx1.titanhq.com`
		A	18.218.73.72^{🇺🇸 Amazon18.216.0.0/14 EC2 CMH prefix}
			PTR	`us1-smtp-mx1.titanhq.com`
		A	18.225.12.231^{🇺🇸 Amazon18.224.0.0/14 EC2 CMH prefix}
			PTR	`us1-smtp-mx1.titanhq.com`
TXT	`MS=D532547B347F0B0372BBABAF84BB1EBCC915FC44`
TXT	`MS=ms95766173`
TXT	`afuqhcgqfhg063o2uqqin0ijc1`
TXT	`apple-domain-verification=HxrBKkPqin8CP5ed`
TXT	`bjeed0p2bpmvc5ht9t34k5mdlr`
TXT	`ip4:64.77.251.50 include:spf.protection.outlook.com -all`
TXT	`l9oi1oessc6f9kcsv67phc6m1t`
TXT	`v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCrLHiExVd55zd/IQ/J/mR...`
TXT	`v=spf1 include:spf.protection.outlook.com include:scanscope.net -all`
SOA	`arnold.ns.cloudflare.com`dns@cloudflare.com serial=2409697741

`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=1785752867

Same first word

a-core.co.kr

a-core.cl

a-core.pl

a-core.nl

a-core.com

a-core.eu

a-core.at

a-core.net

a-core.co

a-core.ru

a-core.info

Similar names

o-care.at

co-era.com

re-oca.pl

e-arco.com

a-cero.es

eco-ra.it

oe-car.com

are-co.com

e-roca.com

caro-e.com

ac-ore.com

orca-e.ch

a-cero.com

e-cora.de

o-care.com

c-aero.fr

ace-ro.com

a-creo.com

a-creo.co.jp

co-rea.de

ra-eco.com

a-reco.se

c-aero.com

a-cero.cl

a-cero.eu

era-co.com

a-cero.info

care-o.fr

core-a.com

core-a.org

core-a.net

DNS History

27 records (5 active, 22 former)

●NSarnold.ns.cloudflare.com2021-06-29 → 2026-08-03 · 3 obs

○ 2017-08-18 10:39:14
● 2021-06-29 01:41:44
● 2026-08-03 10:51:22

●NSingrid.ns.cloudflare.com2021-06-29 → 2026-08-03 · 3 obs

○ 2017-08-18 10:39:14
● 2021-06-29 01:41:44
● 2026-08-03 10:51:22

○NSns.csolutions.net2009-01-22 → 2009-01-22 · 3 obs

● 2009-01-22 12:07:36
○ 2015-08-12 04:53:46
○ 2026-08-03 10:51:22

○NSns2.csolutions.net2009-01-22 → 2009-01-22 · 3 obs

● 2009-01-22 12:07:36
○ 2015-08-12 04:53:46
○ 2026-08-03 10:51:22

○NSns67.worldnic.com2015-08-12 → 2017-08-18 · 5 obs

○ 2009-01-22 12:07:36
● 2015-08-12 04:53:46
● 2017-08-18 10:39:14
○ 2021-06-29 01:41:44
○ 2026-08-03 10:51:22

○NSns68.worldnic.com2015-08-12 → 2017-08-18 · 5 obs

○ 2009-01-22 12:07:36
● 2015-08-12 04:53:46
● 2017-08-18 10:39:14
○ 2021-06-29 01:41:44
○ 2026-08-03 10:51:22

○MXa-core.com.1.0001.arsmtp.com2015-08-12 → 2017-08-18 · 5 obs

○ 2009-01-22 12:07:36
● 2015-08-12 04:53:46
● 2017-08-18 10:39:14
○ 2021-06-29 01:41:44
○ 2026-08-03 10:51:22

○MXa-core.com.2.0001.arsmtp.com2015-08-12 → 2017-08-18 · 5 obs

○ 2009-01-22 12:07:36
● 2015-08-12 04:53:46
● 2017-08-18 10:39:14
○ 2021-06-29 01:41:44
○ 2026-08-03 10:51:22

○MXa-core.com.inbound15.mxlogic.net2009-01-22 → 2009-01-22 · 3 obs

● 2009-01-22 12:07:36
○ 2015-08-12 04:53:46
○ 2026-08-03 10:51:22

○MXa-core.com.inbound15.mxlogicmx.net2009-01-22 → 2009-01-22 · 3 obs

● 2009-01-22 12:07:36
○ 2015-08-12 04:53:46
○ 2026-08-03 10:51:22

○MXboise-mail.a-core.com2009-01-22 → 2009-01-22 · 3 obs

● 2009-01-22 12:07:36
○ 2015-08-12 04:53:46
○ 2026-08-03 10:51:22

○MXif-mail.a-core.com2009-01-22 → 2009-01-22 · 3 obs

● 2009-01-22 12:07:36
○ 2015-08-12 04:53:46
○ 2026-08-03 10:51:22

○MXmail.a-core.com2009-01-22 → 2009-01-22 · 3 obs

● 2009-01-22 12:07:36
○ 2015-08-12 04:53:46
○ 2026-08-03 10:51:22

○MXmail1.us.scanscope.net2021-06-29 → 2021-06-29 · 4 obs

○ 2017-08-18 10:39:14
● 2021-06-29 01:41:44
○ 2026-03-13 10:09:20
○ 2026-08-03 10:51:22

○MXmail2.us.scanscope.net2021-06-29 → 2021-06-29 · 4 obs

○ 2017-08-18 10:39:14
● 2021-06-29 01:41:44
○ 2026-03-13 10:09:20
○ 2026-08-03 10:51:22

●MXus1-smtp-mx1.titanhq.com2026-03-13 → 2026-08-03 · 3 obs

○ 2021-06-29 01:41:44
● 2026-03-13 10:09:20
● 2026-08-03 10:51:22

●MXus1-smtp-mx2.titanhq.com2026-03-13 → 2026-08-03 · 3 obs

○ 2021-06-29 01:41:44
● 2026-03-13 10:09:20
● 2026-08-03 10:51:22

○A104.26.2.1472021-06-29 → 2021-06-29 · 4 obs

○ 2017-08-18 10:39:14
● 2021-06-29 01:41:44
○ 2026-03-13 10:09:20
○ 2026-08-03 10:51:22

○A104.26.3.1472021-06-29 → 2021-06-29 · 4 obs

○ 2017-08-18 10:39:14
● 2021-06-29 01:41:44
○ 2026-03-13 10:09:20
○ 2026-08-03 10:51:22

○A172.67.70.1292021-06-29 → 2021-06-29 · 4 obs

○ 2017-08-18 10:39:14
● 2021-06-29 01:41:44
○ 2026-03-13 10:09:20
○ 2026-08-03 10:51:22

○A185.230.63.1072026-03-13 → 2026-04-27 · 5 obs

○ 2021-06-29 01:41:44
● 2026-03-13 10:09:20
● 2026-04-27 09:39:16
○ 2026-05-04 14:38:52
○ 2026-08-03 10:51:22

●A216.24.57.12026-05-04 → 2026-08-03 · 3 obs

○ 2026-04-27 09:39:16
● 2026-05-04 14:38:52
● 2026-08-03 10:51:22

○A216.83.138.1152015-08-12 → 2017-08-18 · 5 obs

○ 2009-01-22 12:07:36
● 2015-08-12 04:53:46
● 2017-08-18 10:39:14
○ 2021-06-29 01:41:44
○ 2026-08-03 10:51:22

○A2606:4700:20::681a:2932021-06-29 → 2021-06-29 · 4 obs

○ 2017-08-18 10:39:14
● 2021-06-29 01:41:44
○ 2026-03-13 10:09:20
○ 2026-08-03 10:51:22

○A2606:4700:20::681a:3932021-06-29 → 2021-06-29 · 4 obs

○ 2017-08-18 10:39:14
● 2021-06-29 01:41:44
○ 2026-03-13 10:09:20
○ 2026-08-03 10:51:22

○A2606:4700:20::ac43:46812021-06-29 → 2021-06-29 · 4 obs

○ 2017-08-18 10:39:14
● 2021-06-29 01:41:44
○ 2026-03-13 10:09:20
○ 2026-08-03 10:51:22

○A74.220.207.1932009-01-22 → 2009-01-22 · 3 obs

● 2009-01-22 12:07:36
○ 2015-08-12 04:53:46
○ 2026-08-03 10:51:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net...	-
a-core.com	arnold.ns.cloudflare.com, ingrid.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.165

NS records: arnold.ns.cloudflare.com, ingrid.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 456ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.24.57.1`
NS	2	`arnold.ns.cloudflare.com, ingrid.ns.cloudflare.com`
MX	2	`us1-smtp-mx1.titanhq.com (pri: 10), us1-smtp-mx2.titanhq.com (pri: 20)`
TXT	9	`MS=D532547B347F0B0372BBABAF84BB1EBCC915F, MS=ms95766173...`
SOA	1	`arnold.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

a-core.com points to a single IP number: 216.24.57.1.

Additional host names — dpsdc.com, euroc2c.com, gopokit.com and two others — share IP numbers with a-core.com.

Name Servers

a-core.com has two authoritative name servers — arnold.ns.cloudflare.com and ingrid.ns.cloudflare.com.

a-core.com shares its name server setup with other domains, including unsalkardesler.com, rupert-idaho.com, eb11.top and two others.

a-core.com has at least partial name server overlap with other domains, such as zzbwhp.com, cyclingsa.com, prokus.pl and two others.

It is common to find these name servers paired with the name servers nile.ns.cloudflare.com.

Host names with 6 IP numbers:

arnold.ns.cloudflare.com points to 108.162.193.69, 172.64.33.69, 173.245.59.69 and 3 other IP addresses.

ingrid.ns.cloudflare.com points to 108.162.192.165, 172.64.32.165, 173.245.58.165 and 3 other IP addresses.

Mail Servers

a-core.com has two mail servers: us1-smtp-mx1.titanhq.com and us1-smtp-mx2.titanhq.com.

a-core.com shares the same mail server setup as other domains, including drshea.com, ablawoffices.com, youngmarines.org and two others.

a-core.com shares mail servers — at least in part — with other domains, including lawcsilc.com, bcore.com, lumesis.com and two others.

Both us1-smtp-mx1.titanhq.com and us1-smtp-mx2.titanhq.com point to the same three IP addresses: 18.116.252.179, 18.218.73.72 and 18.225.12.231.

The host names us1-smtp-mx1.titanhq.com and us1-smtp-mx2.titanhq.com both resolve to 18.116.252.179 IP addresses.

The host names us1-smtp-mx1.titanhq.com and us1-smtp-mx2.titanhq.com both resolve to 18.218.73.72 IP addresses.

The host names us1-smtp-mx1.titanhq.com and us1-smtp-mx2.titanhq.com both resolve to 18.225.12.231 IP addresses.