`mailverifchck.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:a701^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::6815:4b1c^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.75.28^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.167.1^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`anuj.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b41^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anuj.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c141^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`anuj.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2141^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`anuj.ns.cloudflare.com`
		A	108.162.193.65^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anuj.ns.cloudflare.com`
		A	172.64.33.65^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anuj.ns.cloudflare.com`
		A	173.245.59.65^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anuj.ns.cloudflare.com`
NS	`kristin.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ab5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kristin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0b5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kristin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20b5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kristin.ns.cloudflare.com`
		A	108.162.192.181^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kristin.ns.cloudflare.com`
		A	172.64.32.181^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kristin.ns.cloudflare.com`
		A	173.245.58.181^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kristin.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.75.28, 172.67.167.1
		IPv6 hints	2606:4700:3030::ac43:a701, 2606:4700:3031::6815:4b1c
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=85, name=cloudflare-ech.com
SOA	`anuj.ns.cloudflare.com`dns@cloudflare.com serial=2404875617

`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=1782414630

⚠️ On DNS blocklist: tif

Subdomains

secure-goog-portal-g.mailverifchck.com

Same first word

mailverifchck.com

DNS History

8 records (6 active, 2 former)

●NSanuj.ns.cloudflare.com2026-05-11 → 2026-06-25 · 2 obs

● 2026-05-11 17:16:08
● 2026-06-25 19:37:16

●NSkristin.ns.cloudflare.com2026-05-11 → 2026-06-25 · 2 obs

● 2026-05-11 17:16:08
● 2026-06-25 19:37:16

●A104.21.75.282026-05-11 → 2026-06-25 · 2 obs

● 2026-05-11 17:16:08
● 2026-06-25 19:37:16

●A172.67.167.12026-05-11 → 2026-06-25 · 2 obs

● 2026-05-11 17:16:08
● 2026-06-25 19:37:16

●A2606:4700:3030::ac43:a7012026-06-25 → 2026-06-25 · 3 obs

○ 2026-06-06 15:43:56
● 2026-06-25 19:37:14
● 2026-06-25 19:37:16

●A2606:4700:3031::6815:4b1c2026-06-25 → 2026-06-25 · 3 obs

○ 2026-06-06 15:43:56
● 2026-06-25 19:37:14
● 2026-06-25 19:37:16

○A2606:4700:3033::ac43:a7012026-05-11 → 2026-06-06 · 4 obs

● 2026-05-11 17:16:08
● 2026-06-06 15:43:56
○ 2026-06-25 19:37:14
○ 2026-06-25 19:37:16

○A2606:4700:3036::6815:4b1c2026-05-11 → 2026-06-06 · 4 obs

● 2026-05-11 17:16:08
● 2026-06-06 15:43:56
○ 2026-06-25 19:37:14
○ 2026-06-25 19:37:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
mailverifchck.com	anuj.ns.cloudflare.com, kristin.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.181

NS records: anuj.ns.cloudflare.com, kristin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mailverifchck.com (unsigned zone)

⏱️ Timing

Total: 623ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.75.28, 172.67.167.1`
AAAA	2	`2606:4700:3030::ac43:a701, 2606:4700:3031::6815:4b1c`
NS	2	`anuj.ns.cloudflare.com, kristin.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`anuj.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

secure-goog-portal-g.mailverifchck.com is a subdomain of mailverifchck.com.

IP Addresses

mailverifchck.com points to the four IP addresses 104.21.75.28, 172.67.167.1, 2606:4700:3030::ac43:a701 and 2606:4700:3031::6815:4b1c.

Additional host names — vmbtc.com, webdisk.faculdadefamap.edu.br, skillsandmagic.com and two others — share IP numbers with mailverifchck.com.

Name Servers

mailverifchck.com has two authoritative name servers — anuj.ns.cloudflare.com and kristin.ns.cloudflare.com.

mailverifchck.com shares its name server setup with other domains, including csticket.mx, islandinnsanibel.com, turva-bitnex-software.com and two others.

The name servers of mailverifchck.com overlap at least partially with those of other domains — among them guardlinesecurity.com, sqius.com, yksqw.com and two more.

The name servers stanley.ns.cloudflare.com, woz.ns.cloudflare.com and hope.ns.cloudflare.com are commonly seen alongside these name servers.

Host names with 6 IP numbers:

anuj.ns.cloudflare.com points to 108.162.193.65, 172.64.33.65, 173.245.59.65 and 3 other IP addresses.

kristin.ns.cloudflare.com points to 108.162.192.181, 172.64.32.181, 173.245.58.181 and 3 other IP addresses.

mailverifchck.com - robtex.com