`referenceengineering.com`

DNSSEC	⚠️ Not signed
A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
		PTR	`a904c694c05102f30.awsglobalaccelerator.com`
A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
NS	`ns1.afternic.com` ⭐
		A	2603:5:2126::45^{🇺🇸 GODADDY-DNS2603:5:2120::/44}
			PTR	`ns1.afternic.com`
		A	97.74.98.69^{🇺🇸 GODADDY-DNS97.74.98.0/23}
			PTR	`ns1.afternic.com`
NS	`ns2.afternic.com`
		A	2603:5:2226::45^{🇺🇸 GODADDY-DNS2603:5:2220::/44}
			PTR	`ns2.afternic.com`
		A	173.201.66.69^{🇺🇸 GODADDY-DNS173.201.66.0/23}
			PTR	`ns2.afternic.com`
TXT	`v=spf1 -all`
SOA	`ns1.afternic.com`dns@jomax.net 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=1785447947

Previously MX for

referenceengineering.com

Subdomains

www.referenceengineering.com

Same first word

referenceengineering.com

DNS History

19 records (4 active, 15 former)

●NSns1.afternic.com2026-04-25 → 2026-07-30 · 3 obs

○ 2018-07-22 20:23:36
● 2026-04-25 19:42:10
● 2026-07-30 21:58:36

●NSns2.afternic.com2026-04-25 → 2026-07-30 · 3 obs

○ 2018-07-22 20:23:36
● 2026-04-25 19:42:10
● 2026-07-30 21:58:36

○NSns3.a2hosting.com2015-07-14 → 2016-04-24 · 4 obs

● 2015-07-14 22:31:58
● 2016-04-24 07:48:58
○ 2018-07-22 20:23:36
○ 2026-07-30 21:58:36

○NSns4.a2hosting.com2015-07-14 → 2016-04-24 · 4 obs

● 2015-07-14 22:31:58
● 2016-04-24 07:48:58
○ 2018-07-22 20:23:36
○ 2026-07-30 21:58:36

○NSns67.domaincontrol.com2018-07-22 → 2018-07-22 · 4 obs

○ 2016-04-24 07:48:58
● 2018-07-22 20:23:36
○ 2026-04-25 19:42:10
○ 2026-07-30 21:58:36

○NSns68.domaincontrol.com2018-07-22 → 2018-07-22 · 4 obs

○ 2016-04-24 07:48:58
● 2018-07-22 20:23:36
○ 2026-04-25 19:42:10
○ 2026-07-30 21:58:36

○MXreferenceengineering-com.mail.protection.outlook.com2018-07-22 → 2018-07-22 · 4 obs

○ 2016-04-24 07:48:58
● 2018-07-22 20:23:36
○ 2026-04-25 19:42:10
○ 2026-07-30 21:58:36

○MXreferenceengineering.com2015-07-14 → 2016-04-24 · 4 obs

● 2015-07-14 22:31:58
● 2016-04-24 07:48:58
○ 2018-07-22 20:23:36
○ 2026-07-30 21:58:36

●A13.248.169.482026-04-25 → 2026-07-30 · 3 obs

○ 2018-07-22 20:23:36
● 2026-04-25 19:42:10
● 2026-07-30 21:58:36

○A184.168.221.402018-07-22 → 2018-07-22 · 4 obs

○ 2016-04-24 07:48:58
● 2018-07-22 20:23:36
○ 2026-04-25 19:42:10
○ 2026-07-30 21:58:36

○A184.168.221.482018-07-22 → 2018-07-22 · 4 obs

○ 2016-04-24 07:48:58
● 2018-07-22 20:23:36
○ 2026-04-25 19:42:10
○ 2026-07-30 21:58:36

○A184.168.221.492018-07-22 → 2018-07-22 · 4 obs

○ 2016-04-24 07:48:58
● 2018-07-22 20:23:36
○ 2026-04-25 19:42:10
○ 2026-07-30 21:58:36

○A184.168.221.562018-07-22 → 2018-07-22 · 4 obs

○ 2016-04-24 07:48:58
● 2018-07-22 20:23:36
○ 2026-04-25 19:42:10
○ 2026-07-30 21:58:36

○A50.63.202.342018-07-22 → 2018-07-22 · 4 obs

○ 2016-04-24 07:48:58
● 2018-07-22 20:23:36
○ 2026-04-25 19:42:10
○ 2026-07-30 21:58:36

○A50.63.202.402018-07-22 → 2018-07-22 · 4 obs

○ 2016-04-24 07:48:58
● 2018-07-22 20:23:36
○ 2026-04-25 19:42:10
○ 2026-07-30 21:58:36

○A50.63.202.562018-07-22 → 2018-07-22 · 4 obs

○ 2016-04-24 07:48:58
● 2018-07-22 20:23:36
○ 2026-04-25 19:42:10
○ 2026-07-30 21:58:36

○A50.63.202.632018-07-22 → 2018-07-22 · 4 obs

○ 2016-04-24 07:48:58
● 2018-07-22 20:23:36
○ 2026-04-25 19:42:10
○ 2026-07-30 21:58:36

○A75.98.175.792015-07-14 → 2016-04-24 · 4 obs

● 2015-07-14 22:31:58
● 2016-04-24 07:48:58
○ 2018-07-22 20:23:36
○ 2026-07-30 21:58:36

●A76.223.54.1462026-04-25 → 2026-07-30 · 3 obs

○ 2018-07-22 20:23:36
● 2026-04-25 19:42:10
● 2026-07-30 21:58:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
referenceengineering.com	ns1.afternic.com, ns2.afternic.com	4 records

✅ Authoritative Response

Server:173.201.66.69

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for referenceengineering.com (unsigned zone)

⏱️ Timing

Total: 1209ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`76.223.54.146, 13.248.169.48`
NS	2	`ns1.afternic.com, ns2.afternic.com`
MX	1	`. (pri: 0)`
TXT	1	`v=spf1 -all`
SOA	1	`ns2.afternic.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.afternic.com, ns1.afternic.com, ns2.afternic.com...)

Analysis

Hierarchy

www.referenceengineering.com is a subdomain of referenceengineering.com.

IP Addresses

referenceengineering.com has two IP addresses: 13.248.169.48 and 76.223.54.146

Among the host names that share IP numbers with referenceengineering.com are tarynemma.com, sharkmotorcyclehelmets.com, city.red and two others.

Name Servers

referenceengineering.com has two authoritative name servers — ns1.afternic.com and ns2.afternic.com.

referenceengineering.com has the same name server delegation as a number of other domains, such as listaonline.com, specroot.com, javape.com and two more.

The name servers of referenceengineering.com overlap at least partially with those of other domains — among them armb.com, maternityphotography.com, evolvebooking.com and two more.

These name servers commonly appear in combination with the name servers verification-ag3xtxqjhqhiyarqdrht2l.ns101.verify.hn.

Both ns1.afternic.com and ns2.afternic.com have two IP addresses each. ns1.afternic.com resolves to 97.74.98.69 and 2603:5:2126::45; ns2.afternic.com resolves to 173.201.66.69 and 2603:5:2226::45.

referenceengineering.com - robtex.com