`shopcostello.com`

DNSSEC	⚠️ Not signed
A	23.227.38.32^{🇨🇦 Cloudflare23.227.38.0/23 Shopify 151 O'Connor Street, Ground floor Ottawa ON K2P 2L8 Canada}
		PTR	`myshopify.com`
NS	`dns017.a.register.com` ⭐ ⚠️ Not in parent delegation
		A	216.21.231.17^{🇺🇸 Jacksonville216.21.231.0/24 5335 Gate Parkway Jacksonville FL 32256 United States}
			PTR	`dns017.a.register.com`
NS	`dns026.b.register.com` ⚠️ Not in parent delegation
		A	216.21.232.26^{🇺🇸 Jacksonville216.21.232.0/24 5335 Gate Parkway Jacksonville FL 32256 United States}
			PTR	`dns026.b.register.com`
NS	`dns082.d.register.com` ⚠️ Not in parent delegation
		A	216.21.236.82^{🇺🇸 Jacksonville216.21.236.0/24 5335 Gate Parkway Jacksonville FL 32256 United States}
			PTR	`dns082.d.register.com`
NS	`dns1.register.com` ⚠️ Not in zone NS records
		A	162.159.27.248^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`dns2.register.com` ⚠️ Not in zone NS records
		A	162.159.26.197^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`dns207.c.register.com` ⚠️ Not in parent delegation
		A	216.21.235.207^{🇺🇸 Jacksonville216.21.234.0/23 NF ATL SUBNETS}
			PTR	`dns207.c.register.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4023:c0d::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dl-in-f27.1e100.net`
		A	142.250.141.26^{🇺🇸 Google142.250.141.0/24}
			PTR	`dd-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽²⁰⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽²⁰⁾
		A	2607:f8b0:4023:1015::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yudfwta-in-f26.1e100.net`
		A	172.253.135.27^{🇺🇸 Google172.253.135.0/24}
			PTR	`yudfwta-in-f27.1e100.net`
MX	`aspmx2.googlemail.com`⁽³⁰⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`aspmx3.googlemail.com`⁽³⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`aspmx4.googlemail.com`⁽³⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`aspmx5.googlemail.com`⁽³⁰⁾
		A	2607:f8b0:4003:c4a::1a^{🇺🇸 Google2607:f8b0:4003::/48}
			PTR	`yutulth-in-f26.1e100.net`
		A	142.251.96.27^{🇺🇸 Google142.250.0.0/15}
			PTR	`yutulth-in-f27.1e100.net`
TXT	`facebook-domain-verification=qyef6azgo1s9s2dyp743f8fi3nsvlz`
SOA	`dns017.a.register.com`root@register.com 2015-01-14 #14

`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=1776060412

Same first word

shopcostello.com

DNS History

15 records (14 active, 1 former)

●NSdns017.a.register.com2016-12-18 → 2026-04-13 · 2 obs

● 2016-12-18 18:27:52
● 2026-04-13 06:27:02

●NSdns026.b.register.com2016-12-18 → 2026-04-13 · 2 obs

● 2016-12-18 18:27:52
● 2026-04-13 06:27:02

●NSdns082.d.register.com2016-12-18 → 2026-04-13 · 2 obs

● 2016-12-18 18:27:52
● 2026-04-13 06:27:02

●NSdns1.register.com2026-02-22 → 2026-04-13 · 3 obs

○ 2016-12-18 18:27:52
● 2026-02-22 17:07:52
● 2026-04-13 06:27:02

●NSdns2.register.com2026-02-22 → 2026-04-13 · 3 obs

○ 2016-12-18 18:27:52
● 2026-02-22 17:07:52
● 2026-04-13 06:27:02

●NSdns207.c.register.com2016-12-18 → 2026-04-13 · 2 obs

● 2016-12-18 18:27:52
● 2026-04-13 06:27:02

●MXalt1.aspmx.l.google.com2016-12-18 → 2026-04-13 · 2 obs

● 2016-12-18 18:27:52
● 2026-04-13 06:27:02

●MXalt2.aspmx.l.google.com2016-12-18 → 2026-04-13 · 2 obs

● 2016-12-18 18:27:52
● 2026-04-13 06:27:02

●MXaspmx.l.google.com2016-12-18 → 2026-04-13 · 2 obs

● 2016-12-18 18:27:52
● 2026-04-13 06:27:02

●MXaspmx2.googlemail.com2016-12-18 → 2026-04-13 · 2 obs

● 2016-12-18 18:27:52
● 2026-04-13 06:27:02

●MXaspmx3.googlemail.com2016-12-18 → 2026-04-13 · 2 obs

● 2016-12-18 18:27:52
● 2026-04-13 06:27:02

●MXaspmx4.googlemail.com2016-12-18 → 2026-04-13 · 2 obs

● 2016-12-18 18:27:52
● 2026-04-13 06:27:02

●MXaspmx5.googlemail.com2016-12-18 → 2026-04-13 · 2 obs

● 2016-12-18 18:27:52
● 2026-04-13 06:27:02

○A199.34.228.722016-12-18 → 2016-12-18 · 3 obs

● 2016-12-18 18:27:52
○ 2026-02-22 17:07:52
○ 2026-04-13 06:27:02

●A23.227.38.322026-02-22 → 2026-04-13 · 3 obs

○ 2016-12-18 18:27:52
● 2026-02-22 17:07:52
● 2026-04-13 06:27:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, m.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net...	-
shopcostello.com	dns1.register.com, dns2.register.com	2 records

✅ Authoritative Response

Server:162.159.26.197

NS records: dns1.register.com, dns2.register.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for shopcostello.com (unsigned zone)

⏱️ Timing

Total: 161ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`23.227.38.32`
NS	4	`dns017.a.register.com, dns026.b.register.com...`
MX	7	`aspmx4.googlemail.com (pri: 30), alt2.aspmx.l.google.com (pri: 20)...`
TXT	1	`facebook-domain-verification=qyef6azgo1s`
SOA	1	`dns017.a.register.com root.register.com`