grantham.com - dns.ninja

`grantham.com`

DNSSEC	⚠️ Not signed
A	216.40.34.37^{🇨🇦 TUCOWS216.40.34.0/24}
NS	`ns1.mdnsservice.com` ⭐ ⚠️ Not in parent delegation
		A	2604:4000:0:d:216:40:47:18^{🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000}
			PTR	`ns1.mdnsservice.com`
		A	216.40.47.18^{🇨🇦 TUCOWS216.40.47.0/24 -BRA-BLK1.4/NET-216-40-47-0}
			PTR	`ns1.mdnsservice.com`
NS	`ns1.mailbank.com`
		A	216.40.47.18^{🇨🇦 TUCOWS216.40.47.0/24 -BRA-BLK1.4/NET-216-40-47-0}
			PTR	`ns1.mdnsservice.com`
NS	`ns2.mailbank.com`
		A	64.98.148.11^{🇨🇦 TUCOWS-364.98.144.0/20 Tucows.com Co.}
			PTR	`ns2.mdnsservice.com`
NS	`ns2.mdnsservice.com` ⚠️ Not in parent delegation
		A	2604:4000:2800:d:64:99:148:11^{🇨🇦 TUCOWS-32604:4000:2800::/37 Tucows.com Co.}
			PTR	`ns2.mdnsservice.com`
		A	64.98.148.11^{🇨🇦 TUCOWS-364.98.144.0/20 Tucows.com Co.}
			PTR	`ns2.mdnsservice.com`
NS	`ns3.mdnsservice.com` ⚠️ Not in parent delegation
		A	2604:4000:0:d:64:99:96:34^{🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000}
			PTR	`ns3.mdnsservice.com`
		A	64.99.96.34^{🇨🇦 TUCOWS64.99.96.0/24 -BRA-BLK2.7.2}
			PTR	`ns3.mdnsservice.com`
MX	`mx.netidentity.com.cust.hostedemail.com`⁽²⁰⁾
		A	216.40.42.4^{🇨🇦 TUCOWS216.40.32.0/20 Tucows International}
			PTR	`mx.hostedemail.com`
TXT	`v=spf1 include:_spf.hostedemail.com ~all`
SOA	`ns1.mdnsservice.com`hostmaster@mdnsservice.com serial=275357210

`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=1781285343

Same first word

grantham.com

grantham.co

grantham.me

grantham.de

grantham.co.nz

grantham.hu

grantham.info

grantham.in

grantham.net

grantham.ac.uk

grantham.edu

Similar names

hangmart.com

garthman.se

hartmang.com

marathng.com

garanthm.ru

ghartman.com

DNS History

10 records (7 active, 3 former)

●NSns1.mailbank.com2007-10-24 → 2026-06-12 · 2 obs

● 2007-10-24 02:00:44
● 2026-06-12 17:50:04

●NSns1.mdnsservice.com2015-06-30 → 2026-06-12 · 3 obs

○ 2007-10-24 02:00:44
● 2015-06-30 15:06:54
● 2026-06-12 17:50:04

●NSns2.mailbank.com2007-10-24 → 2026-06-12 · 2 obs

● 2007-10-24 02:00:44
● 2026-06-12 17:50:04

●NSns2.mdnsservice.com2015-06-30 → 2026-06-12 · 3 obs

○ 2007-10-24 02:00:44
● 2015-06-30 15:06:54
● 2026-06-12 17:50:04

●NSns3.mdnsservice.com2015-06-30 → 2026-06-12 · 3 obs

○ 2007-10-24 02:00:44
● 2015-06-30 15:06:54
● 2026-06-12 17:50:04

○MXinbound.netidentity.com.cust.securehostedemail.com2007-10-24 → 2007-10-24 · 3 obs

● 2007-10-24 02:00:44
○ 2015-06-30 15:06:54
○ 2026-06-12 17:50:04

●MXmx.netidentity.com.cust.hostedemail.com2015-06-30 → 2026-06-12 · 3 obs

○ 2007-10-24 02:00:44
● 2015-06-30 15:06:54
● 2026-06-12 17:50:04

○A216.10.106.1492007-10-24 → 2007-10-24 · 3 obs

● 2007-10-24 02:00:44
○ 2015-06-30 15:06:54
○ 2026-06-12 17:50:04

●A216.40.34.372026-04-22 → 2026-06-12 · 3 obs

○ 2017-07-15 08:50:26
● 2026-04-22 02:28:56
● 2026-06-12 17:50:04

○A64.99.80.1212015-06-30 → 2017-07-15 · 5 obs

○ 2007-10-24 02:00:44
● 2015-06-30 15:06:54
● 2017-07-15 08:50:26
○ 2026-04-22 02:28:56
○ 2026-06-12 17:50:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, h.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net...	-
grantham.com	ns1.mailbank.com, ns2.mailbank.com	2 records

✅ Authoritative Response

Server:216.40.47.18

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for grantham.com (unsigned zone)

⏱️ Timing

Total: 225ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.40.34.37`
NS	5	`ns2.mdnsservice.com, ns2.mailbank.com...`
MX	2	`mx.netidentity.com.cust.hostedemail.com , mx.netidentity.com.cust.hostedemail.com`
TXT	1	`v=spf1 include:_spf.hostedemail.com ~all`
SOA	1	`ns1.mdnsservice.com hostmaster.mdnsservi`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.mailbank.com, ns2.mailbank.com)

Analysis

IP Addresses

grantham.com directs to one IP number, which is 216.40.34.37.

Among the host names that share IP numbers with grantham.com are hylton.com, eatmon.com, schertel.com and two others.

Name Servers

The authoritative name servers for grantham.com are ns1.mailbank.com, ns2.mailbank.com, ns1.mdnsservice.com and two others.

grantham.com shares at least some of its name servers with other domains, including kansaiyamato.com, nikula.net, johnsonenvironmental.com.emailmx.com and two others.

These name servers are frequently paired with the name servers ns2.mdnsservice.com and ns3.mdnsservice.com.

Hosts with two IP numbers each:

ns1.mdnsservice.com resolves to two addresses: 216.40.47.18 and 2604:4000:0:d:216:40:47:18.

ns2.mdnsservice.com resolves to two addresses: 64.98.148.11 and 2604:4000:2800:d:64:99:148:11.

ns3.mdnsservice.com resolves to two addresses: 64.99.96.34 and 2604:4000:0:d:64:99:96:34.

Host names with one IP number:

The hostname ns1.mailbank.com resolves to 216.40.47.18.

The hostname ns2.mailbank.com resolves to 64.98.148.11.

ns1.mdnsservice.com along with ns1.mailbank.com each resolve to 216.40.47.18 IP addresses.

ns2.mdnsservice.com along with ns2.mailbank.com each resolve to 64.98.148.11 IP addresses.

Mail Servers

grantham.com routes its mail through a single mail server, mx.netidentity.com.cust.hostedemail.com.

grantham.com has the same mail server arrangement as a number of other domains, for example labranche.org, froehner.com, cashmore.net and two more.

mx.netidentity.com.cust.hostedemail.com carries a single IP number, which is 216.40.42.4.