`harringtontech.com`

DNSSEC	⚠️ Not signed
A	51.81.242.58^{🇺🇸 OVH51.81.128.0/17 Hosting route}
		PTR	`webhead.harringtontech.com`
NS	`ns2.harringtontech.com` ⭐
		A	51.81.192.180^{🇺🇸 OVH51.81.128.0/17 Hosting route}
			PTR	`ip180.ip-51-81-192.us`
NS	`ns1.harringtontech.com`
		A	51.81.190.144^{🇺🇸 OVH51.81.128.0/17 Hosting route}
			PTR	`ip144.ip-51-81-190.us`
MX	`harringtontech-com.snwlhosted.com` ⭐
		A	173.240.210.14^{🇺🇸 AS30021173.240.210.0/24}
			PTR	`usprodsharedou.com.snwlhosted.com`
TXT	`Z2Y80b8TBV1Zu/l7fZx+Ypg/FsSy6p4kvyqUMyglC9jeq9b15EfZG54xxpDalXWFI1pl3qIOn20me...`
TXT	`apple-domain-verification=5AlutX5Rr3IyMIiD`
TXT	`v=spf1 a mx ip4:68.227.45.167/32 +ip4:168.245.102.208 include:_spf.snwlhosted...`
SOA	`ns2.harringtontech.com`rob@harringtontech.com 2026-03-04 #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=1771291435

Subdomains

ns2.harringtontech.com

ns1.harringtontech.com

webhead.harringtontech.com

Same first word

harringtontech.net

harringtontech.com

DNS History

7 records (4 active, 3 former)

●NSns1.harringtontech.com2015-08-22 → 2026-03-14 · 2 obs

● 2015-08-22 05:26:54
● 2026-03-14 10:20:10

●NSns2.harringtontech.com2015-08-22 → 2026-03-14 · 2 obs

● 2015-08-22 05:26:54
● 2026-03-14 10:20:10

○MXd119a.ess.barracudanetworks.com2015-08-22 → 2017-06-15 · 4 obs

● 2015-08-22 05:26:54
● 2017-06-15 23:11:16
○ 2026-02-15 14:32:42
○ 2026-03-14 10:20:10

○MXd119b.ess.barracudanetworks.com2015-08-22 → 2017-06-15 · 4 obs

● 2015-08-22 05:26:54
● 2017-06-15 23:11:16
○ 2026-02-15 14:32:42
○ 2026-03-14 10:20:10

●MXharringtontech-com.snwlhosted.com2026-02-15 → 2026-03-14 · 3 obs

○ 2017-06-15 23:11:16
● 2026-02-15 14:32:42
● 2026-03-14 10:20:10

○A184.168.70.1292015-08-22 → 2017-06-15 · 4 obs

● 2015-08-22 05:26:54
● 2017-06-15 23:11:16
○ 2026-02-15 14:32:42
○ 2026-03-14 10:20:10

●A51.81.242.582026-02-15 → 2026-03-14 · 3 obs

○ 2017-06-15 23:11:16
● 2026-02-15 14:32:42
● 2026-03-14 10:20:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
harringtontech.com	ns1.harringtontech.com, ns2.harringtontech.com	2 records

✅ Authoritative Response

Server: 51.81.192.180

NS records: ns1.harringtontech.com, ns2.harringtontech.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for harringtontech.com (unsigned zone)

⏱️ Timing

Total: 203ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`51.81.242.58`
NS	2	`ns2.harringtontech.com, ns1.harringtontech.com`
MX	2	`harringtontech-com.snwlhosted.com (pri: , harringtontech-com.snwlhosted.com (pri:`
TXT	3	`apple-domain-verification=5AlutX5Rr3IyMI, v=spf1 a mx ip4:68.227.45.167/32 +ip4:16...`
SOA	1	`ns2.harringtontech.com rob.harringtontec`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns1.harringtontech.com, ns2.harringtontech.com)

Analysis

Hierarchy

harringtontech.com is a parent of ns2.harringtontech.com, ns1.harringtontech.com and webhead.harringtontech.com.

IP Addresses

harringtontech.com resolves to a single IP address: 51.81.242.58.

Other host names including milkorusa.com, mail.duralar.com, stevenslloydgroup.com, mail.pactamac.com and tucsonaero.com share IP numbers with harringtontech.com.

Name Servers

harringtontech.com's delegation uses two name servers, ns1.harringtontech.com and ns2.harringtontech.com.

Host names with a single IP:

ns1.harringtontech.com points to 51.81.190.144.

ns2.harringtontech.com points to 51.81.192.180.

Mail Servers

harringtontech.com is handled by a single mail server, harringtontech-com.snwlhosted.com.

harringtontech-com.snwlhosted.com points to a single IP: 173.240.210.14.

harringtontech.com - robtex.com