`harkerheating.com`

DNSSEC	⚠️ Not signed
A	141.193.213.10^{🇺🇸 CLOUDFLARESPECTRUM141.193.213.0/24 WPEngine, Inc. 504 Lavaca Street, 1000, Austin, TX 78701, US}
A	141.193.213.11^{🇺🇸 CLOUDFLARESPECTRUM141.193.213.0/24 WPEngine, Inc. 504 Lavaca Street, 1000, Austin, TX 78701, US}
NS	`ns1.aplus.net` ⭐
		A	2001:1810:9980:4::10^{🇨🇦 INFB2001:1810:9980::/48 619A Kumpf Drive Waterloo ON N2V 1K8 Canada}
			PTR	`ns1.aplus.net`
		A	209.235.144.103^{🇨🇦 INFB209.235.144.0/20 619A Kumpf Drive Waterloo ON N2V 1K8 Canada}
			PTR	`ns1.aplus.net`
NS	`ns2.aplus.net`
		A	2001:1810:4000:4::10^{🇨🇦 INFB2001:1810:4000::/35 619A Kumpf Drive Waterloo ON N2V 1K8 Canada}
			PTR	`ns2.aplus.net`
		A	66.175.41.121^{🇨🇦 INFB66.175.0.0/18 619A Kumpf Drive Waterloo ON N2V 1K8 Canada}
			PTR	`ns2.aplus.net`
NS	`ns3.aplus.net`
		A	2001:1810:1000:4::10^{🇨🇦 INFB2001:1810:1000::/36}
			PTR	`ns3.aplus.net`
		A	69.49.97.156^{🇨🇦 INFB69.49.96.0/20 619A Kumpf Drive Waterloo ON N2V 1K8 Canada}
			PTR	`ns3.aplus.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4023:c0d::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dl-in-f26.1e100.net`
		A	142.250.141.27^{🇺🇸 Google142.250.141.0/24}
			PTR	`dd-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4001:c21::1b^{🇩🇪 Google2a00:1450:4001::/48}
			PTR	`lcfrai-in-f27.1e100.net`
		A	142.251.127.27^{🇺🇸 Google142.251.127.0/24}
			PTR	`lcfrai-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c00::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`ws-in-f26.1e100.net`
			PTR	`ws-in-x1a.1e100.net`
		A	173.194.76.27^{🇺🇸 Google173.194.76.0/24}
			PTR	`ws-in-f27.1e100.net`
TXT	`v=spf1 include:_spf.google.com ip4:64.29.151.0/24 ~all`
SOA	`ns1.aplus.net`hostmaster@aplus.net 2025-11-19 #10

`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=1777068001

Same first word

harkerheating.com

DNS History

15 records (10 active, 5 former)

●NSns1.aplus.net2015-08-09 → 2026-04-24 · 2 obs

● 2015-08-09 19:35:12
● 2026-04-24 22:12:54

●NSns2.aplus.net2015-08-09 → 2026-04-24 · 2 obs

● 2015-08-09 19:35:12
● 2026-04-24 22:12:54

●NSns3.aplus.net2026-04-01 → 2026-04-24 · 3 obs

○ 2015-08-09 19:35:12
● 2026-04-01 02:59:48
● 2026-04-24 22:12:54

●MXalt1.aspmx.l.google.com2026-04-01 → 2026-04-24 · 3 obs

○ 2017-06-01 13:33:46
● 2026-04-01 02:59:48
● 2026-04-24 22:12:54

●MXalt2.aspmx.l.google.com2026-04-01 → 2026-04-24 · 3 obs

○ 2017-06-01 13:33:46
● 2026-04-01 02:59:48
● 2026-04-24 22:12:54

●MXalt3.aspmx.l.google.com2026-04-01 → 2026-04-24 · 3 obs

○ 2017-06-01 13:33:46
● 2026-04-01 02:59:48
● 2026-04-24 22:12:54

●MXalt4.aspmx.l.google.com2026-04-01 → 2026-04-24 · 3 obs

○ 2017-06-01 13:33:46
● 2026-04-01 02:59:48
● 2026-04-24 22:12:54

●MXaspmx.l.google.com2026-04-01 → 2026-04-24 · 3 obs

○ 2017-06-01 13:33:46
● 2026-04-01 02:59:48
● 2026-04-24 22:12:54

○MXmx1c40.carrierzone.com2015-08-09 → 2017-06-01 · 4 obs

● 2015-08-09 19:35:12
● 2017-06-01 13:33:46
○ 2026-04-01 02:59:48
○ 2026-04-24 22:12:54

○MXmx2c40.carrierzone.com2015-08-09 → 2017-06-01 · 4 obs

● 2015-08-09 19:35:12
● 2017-06-01 13:33:46
○ 2026-04-01 02:59:48
○ 2026-04-24 22:12:54

○MXmx3c40.carrierzone.com2015-08-09 → 2017-06-01 · 4 obs

● 2015-08-09 19:35:12
● 2017-06-01 13:33:46
○ 2026-04-01 02:59:48
○ 2026-04-24 22:12:54

●A141.193.213.102026-04-01 → 2026-04-24 · 3 obs

○ 2017-06-01 13:33:46
● 2026-04-01 02:59:48
● 2026-04-24 22:12:54

●A141.193.213.112026-04-01 → 2026-04-24 · 3 obs

○ 2017-06-01 13:33:46
● 2026-04-01 02:59:48
● 2026-04-24 22:12:54

○A66.226.65.2042015-08-09 → 2016-09-11 · 4 obs

● 2015-08-09 19:35:12
● 2016-09-11 06:21:14
○ 2017-06-01 13:33:46
○ 2026-04-24 22:12:54

○A66.226.66.182017-06-01 → 2017-06-01 · 4 obs

○ 2016-09-11 06:21:14
● 2017-06-01 13:33:46
○ 2026-04-01 02:59:48
○ 2026-04-24 22:12:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
harkerheating.com	ns1.aplus.net, ns2.aplus.net, ns3.aplus.net	-

✅ Authoritative Response

Server:66.175.41.121

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for harkerheating.com (unsigned zone)

⏱️ Timing

Total: 231ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`141.193.213.11, 141.193.213.10`
NS	3	`ns1.aplus.net, ns3.aplus.net...`
MX	5	`ALT3.ASPMX.L.GOOGLE.COM (pri: 10), ALT2.ASPMX.L.GOOGLE.COM (pri: 5)...`
TXT	1	`v=spf1 include:_spf.google.com ip4:64.29`
SOA	1	`ns1.aplus.net hostmaster.aplus.net`

Analysis

IP Addresses

harkerheating.com has two IP numbers: 141.193.213.10 and 141.193.213.11.

Other host names, for instance www.ceme.co.uk, acrolinx.com, xeroxtechnology.com, nasathera.com and denimsurgeon.com share IP numbers with harkerheating.com.

Name Servers

harkerheating.com is delegated to three name servers: ns1.aplus.net, ns2.aplus.net and ns3.aplus.net.

harkerheating.com at least partially shares name servers with other domains, including brentclifton.com, rbarlow.net, bigplants.com, mymackin.com and coetc.com.