`davidcookphd.com`

DNSSEC	⚠️ Not signed
A	216.40.34.41^{🇨🇦 TUCOWS216.40.34.0/24}
NS	`ns1.hover.com` ⭐
		A	2604:4000:0:d:216:40:47:26^{🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000}
			PTR	`ns1.hover.com`
		A	216.40.47.26^{🇨🇦 TUCOWS216.40.47.0/24 -BRA-BLK1.4/NET-216-40-47-0}
			PTR	`ns1.hover.com`
NS	`ns2.hover.com`
		A	2604:4000:2800:d:64:99:148:13^{🇨🇦 TUCOWS-32604:4000:2800::/37 Tucows.com Co.}
			PTR	`ns2.hover.com`
		A	64.98.148.13^{🇨🇦 TUCOWS-364.98.144.0/20 Tucows.com Co.}
			PTR	`ns2.hover.com`
NS	`ns3.hover.com` ⚠️ Not in zone NS records
		A	2604:4000:0:d:64:99:96:33^{🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000}
			PTR	`ns3.hover.com`
		A	64.99.96.33^{🇨🇦 TUCOWS64.99.96.0/24 -BRA-BLK2.7.2}
			PTR	`ns3.hover.com`
MX	`mx.hover.com.cust.hostedemail.com` ⭐
		A	216.40.42.4^{🇨🇦 TUCOWS216.40.32.0/20 Tucows International}
			PTR	`mx.hostedemail.com`
SOA	`ns1.hover.com`dnsmaster@hover.com serial=1720467934

`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=1774516927

Same first word

davidcookphd.com

DNS History

7 records (5 active, 2 former)

●NSns1.hover.com2015-05-26 → 2026-03-26 · 2 obs

● 2015-05-26 22:54:28
● 2026-03-26 09:47:34

●NSns2.hover.com2015-05-26 → 2026-03-26 · 2 obs

● 2015-05-26 22:54:28
● 2026-03-26 09:47:34

●NSns3.hover.com2026-02-15 → 2026-03-26 · 3 obs

○ 2015-05-26 22:54:28
● 2026-02-15 18:49:18
● 2026-03-26 09:47:34

●MXmx.hover.com.cust.hostedemail.com2015-05-26 → 2026-03-26 · 2 obs

● 2015-05-26 22:54:28
● 2026-03-26 09:47:34

●A216.40.34.412026-02-15 → 2026-03-26 · 3 obs

○ 2017-04-18 23:09:42
● 2026-02-15 18:49:18
● 2026-03-26 09:47:34

○A64.98.145.302016-09-12 → 2017-04-18 · 5 obs

○ 2016-04-03 10:43:24
● 2016-09-12 02:41:12
● 2017-04-18 23:09:42
○ 2026-02-15 18:49:18
○ 2026-03-26 09:47:34

○A64.99.80.302015-05-26 → 2016-04-03 · 4 obs

● 2015-05-26 22:54:28
● 2016-04-03 10:43:24
○ 2016-09-12 02:41:12
○ 2026-03-26 09:47:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
davidcookphd.com	ns3.hover.com, ns1.hover.com, ns2.hover.com	6 records

✅ Authoritative Response

Server:64.99.96.33

NS records: ns3.hover.com, ns1.hover.com, ns2.hover.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for davidcookphd.com (unsigned zone)

⏱️ Timing

Total: 298ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.40.34.41`
NS	2	`ns1.hover.com, ns2.hover.com`
MX	1	`mx.hover.com.cust.hostedemail.com (pri:`
SOA	1	`ns1.hover.com dnsmaster.hover.com`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns3.hover.com, ns3.hover.com, ns1.hover.com...)

Analysis

IP Addresses

davidcookphd.com points to a single IP: 216.40.34.41.

Other host names, for instance prizepong.com, brewlog.net, insanelygreat.biz, richardpetty.me and techno-kitten.com share IP numbers with davidcookphd.com.

Name Servers

davidcookphd.com is delegated to three name servers: ns1.hover.com, ns2.hover.com and ns3.hover.com.

davidcookphd.com partially shares name servers with other domains; examples include opencommunitynetwork.com, halbard.com, thebachbook.com, karennarciso.com and elicast.net.

Host names with two IP numbers:

ns1.hover.com points to 2604:4000:0:d:216:40:47:26 and 216.40.47.26.

ns2.hover.com points to 2604:4000:2800:d:64:99:148:13 and 64.98.148.13.

ns3.hover.com points to 2604:4000:0:d:64:99:96:33 and 64.99.96.33.

Mail Servers

davidcookphd.com is handled by a single mail server, mx.hover.com.cust.hostedemail.com.

davidcookphd.com has the same mail server setup as other domains, including joecab.com, goforfit.de, mercenarymelee.com, thekleeberggroup.com and faustinemartin.com.

Some mail servers are shared between davidcookphd.com and other domains, for example dellsmallbusiness.net.

mx.hover.com.cust.hostedemail.com points to a single IP: 216.40.42.4.

davidcookphd.com - robtex.com