`mailserver443-google.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:dc99^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:4e71^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.78.113^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.220.153^{🇺🇸 Cloudflare172.67.208.0/20 , 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	`tina.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ae6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0e6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20e6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tina.ns.cloudflare.com`
		A	108.162.192.230^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tina.ns.cloudflare.com`
		A	172.64.32.230^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tina.ns.cloudflare.com`
		A	173.245.58.230^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tina.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.78.113, 172.67.220.153
		IPv6	2606:4700:3033::ac43:dc99, 2606:4700:3034::6815:4e71
SOA	`doug.ns.cloudflare.com`dns@cloudflare.com serial=2396720977

`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=1774398522

Same first word

mailserver443-google.com

DNS History

6 records (6 active, 0 former)

●NSdoug.ns.cloudflare.com2026-03-19 → 2026-03-25 · 2 obs

● 2026-03-19 11:04:28
● 2026-03-25 00:33:24

●NStina.ns.cloudflare.com2026-03-19 → 2026-03-25 · 2 obs

● 2026-03-19 11:04:28
● 2026-03-25 00:33:24

●A104.21.78.1132026-03-19 → 2026-03-25 · 2 obs

● 2026-03-19 11:04:28
● 2026-03-25 00:33:24

●A172.67.220.1532026-03-19 → 2026-03-25 · 2 obs

● 2026-03-19 11:04:28
● 2026-03-25 00:33:24

●A2606:4700:3033::ac43:dc992026-03-19 → 2026-03-25 · 2 obs

● 2026-03-19 11:04:28
● 2026-03-25 00:33:24

●A2606:4700:3034::6815:4e712026-03-19 → 2026-03-25 · 2 obs

● 2026-03-19 11:04:28
● 2026-03-25 00:33:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
mailserver443-google.com	doug.ns.cloudflare.com, tina.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.159

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mailserver443-google.com (unsigned zone)

⏱️ Timing

Total: 104ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.220.153, 104.21.78.113`
AAAA	2	`2606:4700:3033::ac43:dc99, 2606:4700:3034::6815:4e71`
NS	2	`doug.ns.cloudflare.com, tina.ns.cloudflare.com`
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 (doug.ns.cloudflare.com, doug.ns.cloudflare.com, doug.ns.cloudflare.com...)

Analysis

IP Addresses

mailserver443-google.com points to four IP numbers: 2606:4700:3033::ac43:dc99, 2606:4700:3034::6815:4e71, 104.21.78.113 and 172.67.220.153.

For instance, other host names www.youngcarers.org.uk, taskfact.com, vidque.com, star.my.id and alise-devices.com share IP numbers with mailserver443-google.com.

Name Servers

mailserver443-google.com is delegated to two name servers: doug.ns.cloudflare.com and tina.ns.cloudflare.com.

mailserver443-google.com uses the same name server setup as other domains such as dubaiescorts6.cc, abudhabiescorts.me, dubaiescorts13.me, alldubaiescorts2.me and istanbulescort.me.

mailserver443-google.com shares name servers with other domains at least partially, for example papachiropractic.com, clubin.co.il, codeslingers.co.uk, timesamui.com and motzboll.de.

These name servers are commonly used with the name servers chan.ns.cloudflare.com and addilyn.ns.cloudflare.com.

Host names with six IP numbers: host name 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; host name tina.ns.cloudflare.com points to: 2606:4700:50::adf5:3ae6, 2803:f800:50::6ca2:c0e6, 2a06:98c1:50::ac40:20e6, 108.162.192.230, 172.64.32.230 and 173.245.58.230.

mailserver443-google.com - robtex.com