`db-research.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:acf1^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:1e84^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.30.132^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.172.241^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`doug.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b9f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`doug.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c19f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`doug.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:219f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`doug.ns.cloudflare.com`
		A	108.162.193.159^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`doug.ns.cloudflare.com`
		A	172.64.33.159^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`doug.ns.cloudflare.com`
		A	173.245.59.159^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`doug.ns.cloudflare.com`
NS	`sara.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a90^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c090^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2090^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sara.ns.cloudflare.com`
		A	108.162.192.144^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
		A	172.64.32.144^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
		A	173.245.58.144^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
MX	`mx1-us.emailsecurity.app` ⭐
		A	40.121.188.167^{🇺🇸 Microsoft40.120.0.0/14}
			PTR	`mx1-us.emailsecurity.app`
MX	`mx2-us.emailsecurity.app`⁽²⁰⁾
		A	172.212.4.33^{🇬🇧 Microsoft172.208.0.0/13}
			PTR	`mx1-us.emailsecurity.app`
TXT	`MS=ms78882090`
TXT	`ca3-dd7301318096453eb0d462a48cc165bc`
TXT	`v=spf1 include:spf.protection.outlook.com include:spf1.emailsecurity.app incl...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.30.132, 172.67.172.241
		IPv6 hints	2606:4700:3033::ac43:acf1, 2606:4700:3036::6815:1e84
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=244, name=cloudflare-ech.com
SOA	`doug.ns.cloudflare.com`dns@cloudflare.com serial=2402572433

`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=1778478201

Subdomains

www.db-research.com

mail.db-research.com

Same first word

db-research.com

db-research.org

Similar names

scherer-bad.com

scherer-bad.de

DNS History

14 records (8 active, 6 former)

●NSdoug.ns.cloudflare.com2026-04-20 → 2026-05-11 · 3 obs

○ 2017-03-13 01:23:44
● 2026-04-20 07:51:58
● 2026-05-11 05:43:52

○NSns39.worldnic.com2015-07-20 → 2017-03-13 · 4 obs

● 2015-07-20 01:16:00
● 2017-03-13 01:23:44
○ 2026-04-20 07:51:58
○ 2026-05-11 05:43:52

○NSns40.worldnic.com2015-07-20 → 2017-03-13 · 4 obs

● 2015-07-20 01:16:00
● 2017-03-13 01:23:44
○ 2026-04-20 07:51:58
○ 2026-05-11 05:43:52

●NSsara.ns.cloudflare.com2026-04-20 → 2026-05-11 · 3 obs

○ 2017-03-13 01:23:44
● 2026-04-20 07:51:58
● 2026-05-11 05:43:52

○MXasp-5.reflexion.net2015-07-20 → 2017-03-13 · 4 obs

● 2015-07-20 01:16:00
● 2017-03-13 01:23:44
○ 2026-04-20 07:51:58
○ 2026-05-11 05:43:52

○MXmx-100.reflexion.net2015-07-20 → 2017-03-13 · 4 obs

● 2015-07-20 01:16:00
● 2017-03-13 01:23:44
○ 2026-04-20 07:51:58
○ 2026-05-11 05:43:52

○MXmx-110.reflexion.net2015-07-20 → 2017-03-13 · 4 obs

● 2015-07-20 01:16:00
● 2017-03-13 01:23:44
○ 2026-04-20 07:51:58
○ 2026-05-11 05:43:52

●MXmx1-us.emailsecurity.app2026-04-20 → 2026-05-11 · 3 obs

○ 2017-03-13 01:23:44
● 2026-04-20 07:51:58
● 2026-05-11 05:43:52

●MXmx2-us.emailsecurity.app2026-04-20 → 2026-05-11 · 3 obs

○ 2017-03-13 01:23:44
● 2026-04-20 07:51:58
● 2026-05-11 05:43:52

●A104.21.30.1322026-04-20 → 2026-05-11 · 3 obs

○ 2017-03-13 01:23:44
● 2026-04-20 07:51:58
● 2026-05-11 05:43:52

●A172.67.172.2412026-04-20 → 2026-05-11 · 3 obs

○ 2017-03-13 01:23:44
● 2026-04-20 07:51:58
● 2026-05-11 05:43:52

○A206.188.193.182015-07-20 → 2017-03-13 · 4 obs

● 2015-07-20 01:16:00
● 2017-03-13 01:23:44
○ 2026-04-20 07:51:58
○ 2026-05-11 05:43:52

●A2606:4700:3033::ac43:acf12026-04-20 → 2026-05-11 · 3 obs

○ 2017-03-13 01:23:44
● 2026-04-20 07:51:58
● 2026-05-11 05:43:52

●A2606:4700:3036::6815:1e842026-04-20 → 2026-05-11 · 3 obs

○ 2017-03-13 01:23:44
● 2026-04-20 07:51:58
● 2026-05-11 05:43:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
db-research.com	sara.ns.cloudflare.com, doug.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.144

NS records: sara.ns.cloudflare.com, doug.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for db-research.com (unsigned zone)

⏱️ Timing

Total: 242ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.30.132, 172.67.172.241`
AAAA	2	`2606:4700:3033::ac43:acf1, 2606:4700:3036::6815:1e84`
NS	2	`doug.ns.cloudflare.com, sara.ns.cloudflare.com`
MX	2	`mx1-us.emailsecurity.app (pri: 10), mx2-us.emailsecurity.app (pri: 20)`
TXT	3	`MS=ms78882090, ca3-dd7301318096453eb0d462a48cc165bc...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`doug.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (sara.ns.cloudflare.com, sara.ns.cloudflare.com, sara.ns.cloudflare.com...)

Analysis

Hierarchy

db-research.com is a parent of www.db-research.com and mail.db-research.com.

IP Addresses

db-research.com resolves to four IPs: 2606:4700:3033::ac43:acf1, 2606:4700:3036::6815:1e84, 104.21.30.132 and 172.67.172.241.

Other host names such as ebmapp.com, blender-3d.ru, gogo123.com.tw, snibblecap.ru and booksgrub.com share IP numbers with db-research.com.

Name Servers

db-research.com is delegated to two name servers: doug.ns.cloudflare.com and sara.ns.cloudflare.com.

db-research.com uses the same name server setup as other domains, including yijunliao.com, seniorfacile.fr, marceneirocuritiba.com.br, act4nations.com and firstcall.me.

At least part of the name servers for db-research.com are shared with other domains, for instance nexotur.net, soodfin.com, amateur-livecams.com, blogsalutedigitale.it and healthy-spine.com.

These name servers are commonly used with chan.ns.cloudflare.com, addilyn.ns.cloudflare.com, paul.ns.cloudflare.com and sid.ns.cloudflare.com.

Host names with six IP numbers:

doug.ns.cloudflare.com points to: 2606:4700:58::adf5:3b9f, 2803:f800:50::6ca2:c19f, 2a06:98c1:50::ac40:219f, 108.162.193.159, 172.64.33.159 and 173.245.59.159.

sara.ns.cloudflare.com points to: 2606:4700:50::adf5:3a90, 2803:f800:50::6ca2:c090, 2a06:98c1:50::ac40:2090, 108.162.192.144, 172.64.32.144 and 173.245.58.144.

Mail Servers

db-research.com is handled by two mail servers: mx1-us.emailsecurity.app and mx2-us.emailsecurity.app.

db-research.com uses the same mail server setup as other domains, for instance norcopd.org, ifpte.org, swansonbernard.com, nscons.ca and crimsonrenewable.com.

db-research.com shares at least some mail servers with other domains, for example ionix.biz, rome.mx, ventomayaguez.com, godfreys-law.co.nz and kahnsmith.com.

Hostnames with a single IP

mx1-us.emailsecurity.app resolves to: 40.121.188.167.

mx2-us.emailsecurity.app resolves to: 172.212.4.33.

db-research.com - robtex.com

db-research.com

com

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`db-research.com`

`com`