`sheffieldmanagement.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`
NS	`verification-g9nrm93vbut6vgrnazbfmu.ns101.verify.hn` ⚠️ Not in zone NS records
		A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
			PTR	`a904c694c05102f30.awsglobalaccelerator.com`
		A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
			PTR	`a904c694c05102f30.awsglobalaccelerator.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=1774387587

Subdomains

mail.sheffieldmanagement.com

DNS History

8 records (5 active, 3 former)

●NSns1.afternic.com2026-03-24 → 2026-03-24 · 2 obs

○ 2017-12-05 23:42:58
● 2026-03-24 21:44:36

○NSns1.netfirms.com2015-08-19 → 2017-12-05 · 3 obs

● 2015-08-19 10:13:22
● 2017-12-05 23:42:58
○ 2026-03-24 21:44:36

●NSns2.afternic.com2026-03-24 → 2026-03-24 · 2 obs

○ 2017-12-05 23:42:58
● 2026-03-24 21:44:36

○NSns2.netfirms.com2015-08-19 → 2017-12-05 · 3 obs

● 2015-08-19 10:13:22
● 2017-12-05 23:42:58
○ 2026-03-24 21:44:36

●NSverification-g9nrm93vbut6vgrnazbfmu.ns101.verify.hn2026-03-24 → 2026-03-24 · 2 obs

○ 2017-12-05 23:42:58
● 2026-03-24 21:44:36

○MXmail.sheffieldmanagement.com2015-08-19 → 2017-12-05 · 3 obs

● 2015-08-19 10:13:22
● 2017-12-05 23:42:58
○ 2026-03-24 21:44:36

●A13.248.169.482026-03-24 → 2026-03-24 · 1 obs

● 2026-03-24 21:44:36

●A76.223.54.1462026-03-24 → 2026-03-24 · 1 obs

● 2026-03-24 21:44:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
sheffieldmanagement.com	ns1.afternic.com, ns2.afternic.com, verification-g9nrm93vbut6vgrnazbfmu.ns101.verify.hn	4 records

✅ Authoritative Response

Server:173.201.66.69

NS records: ns1.afternic.com, ns2.afternic.com, verification-g9nrm93vbut6vgrnazbfmu.ns101.verify.hn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sheffieldmanagement.com (unsigned zone)

⏱️ Timing

Total: 2321ms | 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

The parent of mail.sheffieldmanagement.com is sheffieldmanagement.com.

IP Addresses

sheffieldmanagement.com points to two IP numbers: 13.248.169.48 and 76.223.54.146.

Other host names such as www.accessminers.com, www.postool.com, elasticband.net, mail.rkgi.com and tlc.abscard.com share IPs with sheffieldmanagement.com.

Name Servers

sheffieldmanagement.com is delegated to three name servers: ns1.afternic.com, ns2.afternic.com and verification-g9nrm93vbut6vgrnazbfmu.ns101.verify.hn.

sheffieldmanagement.com at least partially shares name servers with other domains, for example pyreco.com, homewarebrands.com, ingento.com, kourtesy.com and nullmx.haywardmarketing.com.

these name servers are commonly used alongside verification-d3jclucsp89ganyqbydeny.ns101.verify.hn name servers.

Host names with two IP numbers:

ns1.afternic.com points to 2603:5:2126::45 and 97.74.98.69

ns2.afternic.com points to 2603:5:2226::45 and 173.201.66.69

verification-g9nrm93vbut6vgrnazbfmu.ns101.verify.hn points to 13.248.169.48 and 76.223.54.146

sheffieldmanagement.com - robtex.com