`mail.db-research.com`

DNSSEC	⚠️ Not signed
A	38.99.10.12^{🇺🇸 COGENT38.0.0.0/8 Cogent}
		PTR	`mail.db-research.com`

`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` ⭐
NS	`sara.ns.cloudflare.com`
MX	`mx1-us.emailsecurity.app` ⭐
MX	`mx2-us.emailsecurity.app`⁽²⁰⁾
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=222, name=cloudflare-ech.com
SOA	`doug.ns.cloudflare.com`dns@cloudflare.com serial=2402572433

PTR for

12.10.99.38.in-addr.arpa

Same first word

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DNS History

2 records (1 active, 1 former)

○A209.118.239.1112015-05-25 → 2016-09-15 · 4 obs

● 2015-05-25 02:36:36
● 2016-09-15 13:01:42
○ 2026-04-24 19:44:42
○ 2026-05-11 14:51:02

●A38.99.10.122026-04-24 → 2026-05-11 · 3 obs

○ 2016-09-15 13:01:42
● 2026-04-24 19:44:42
● 2026-05-11 14:51:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net, j.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: 96ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`38.99.10.12`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.db-research.com resolves to one IP number: 38.99.10.12.

mail.db-research.com - robtex.com