`securitybymatt.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3037::6815:4ce6^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:c9ef^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.76.230^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.201.239^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`eugene.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c48^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eugene.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c348^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`eugene.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2348^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`eugene.ns.cloudflare.com`
		A	108.162.195.72^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eugene.ns.cloudflare.com`
		A	162.159.44.72^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eugene.ns.cloudflare.com`
		A	172.64.35.72^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eugene.ns.cloudflare.com`
NS	`lady.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a7f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lady.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c07f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lady.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:207f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lady.ns.cloudflare.com`
		A	108.162.192.127^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lady.ns.cloudflare.com`
		A	172.64.32.127^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lady.ns.cloudflare.com`
		A	173.245.58.127^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lady.ns.cloudflare.com`
MX	`mail.protonmail.ch` ⭐
		A	176.119.200.128^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mail.protonmail.ch`
		A	185.70.42.128^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mail.protonmail.ch`
		A	185.205.70.128^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mail.protonmail.ch`
MX	`mailsec.protonmail.ch`⁽²⁰⁾
		A	176.119.200.129^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.70.42.129^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.205.70.129^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mailsec.protonmail.ch`
TXT	`protonmail-verification=9262151c0020b05494ec71fe47ce14829166cadb`
TXT	`v=spf1 include:_spf.protonmail.ch -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.76.230, 172.67.201.239
		IPv6 hints	2606:4700:3037::6815:4ce6, 2606:4700:3037::ac43:c9ef
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=112, name=cloudflare-ech.com
SOA	`eugene.ns.cloudflare.com`dns@cloudflare.com serial=2409682579

`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=1784349237

🔒 HSTS Preload (+subdomains)

Same first word

securitybymatt.com

DNS History

10 records (8 active, 2 former)

●NSeugene.ns.cloudflare.com2026-06-05 → 2026-07-18 · 2 obs

● 2026-06-05 13:23:10
● 2026-07-18 05:04:32

●NSlady.ns.cloudflare.com2026-06-05 → 2026-07-18 · 2 obs

● 2026-06-05 13:23:10
● 2026-07-18 05:04:32

●MXmail.protonmail.ch2026-06-05 → 2026-07-18 · 2 obs

● 2026-06-05 13:23:10
● 2026-07-18 05:04:32

●MXmailsec.protonmail.ch2026-06-05 → 2026-07-18 · 2 obs

● 2026-06-05 13:23:10
● 2026-07-18 05:04:32

●A104.21.76.2302026-06-05 → 2026-07-18 · 2 obs

● 2026-06-05 13:23:10
● 2026-07-18 05:04:32

●A172.67.201.2392026-06-05 → 2026-07-18 · 2 obs

● 2026-06-05 13:23:10
● 2026-07-18 05:04:32

○A2606:4700:3030::6815:4ce62026-06-05 → 2026-06-13 · 4 obs

● 2026-06-05 13:23:10
● 2026-06-13 02:55:24
○ 2026-07-11 21:25:58
○ 2026-07-18 05:04:32

○A2606:4700:3030::ac43:c9ef2026-06-05 → 2026-06-13 · 4 obs

● 2026-06-05 13:23:10
● 2026-06-13 02:55:24
○ 2026-07-11 21:25:58
○ 2026-07-18 05:04:32

●A2606:4700:3037::6815:4ce62026-07-11 → 2026-07-18 · 3 obs

○ 2026-06-13 02:55:24
● 2026-07-11 21:25:58
● 2026-07-18 05:04:32

●A2606:4700:3037::ac43:c9ef2026-07-11 → 2026-07-18 · 3 obs

○ 2026-06-13 02:55:24
● 2026-07-11 21:25:58
● 2026-07-18 05:04:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net...	-
securitybymatt.com	lady.ns.cloudflare.com, eugene.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.72

NS records: lady.ns.cloudflare.com, eugene.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 211ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.76.230, 172.67.201.239`
AAAA	2	`2606:4700:3037::6815:4ce6, 2606:4700:3037::ac43:c9ef`
NS	2	`eugene.ns.cloudflare.com, lady.ns.cloudflare.com`
MX	2	`mail.protonmail.ch (pri: 10), mailsec.protonmail.ch (pri: 20)`
TXT	2	`protonmail-verification=9262151c0020b054, v=spf1 include:_spf.protonmail.ch -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`eugene.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

securitybymatt.com resolves to four IP addresses: 104.21.76.230, 172.67.201.239, 2606:4700:3037::6815:4ce6 and 2606:4700:3037::ac43:c9ef.

Among the host names that share IP numbers with securitybymatt.com are mx.sheetmusicemporium.com, gql.co.uk, apnabharat.org and two others.

Name Servers

The NS records for securitybymatt.com delegate to eugene.ns.cloudflare.com and lady.ns.cloudflare.com.

securitybymatt.com has the same name server delegation as a number of other domains, such as heliotavia.com, araarentio.com, athenaestore.co.uk and two more.

securitybymatt.com has at least partial name server overlap with other domains, such as stralucit-vaultis-system.com, woodvillage.us, grupo-smith.com.mx and two others.

It is common to find these name servers paired with the name servers norm.ns.cloudflare.com, rob.ns.cloudflare.com, ulla.ns.cloudflare.com and rosemary.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

eugene.ns.cloudflare.com maps to 108.162.195.72, 162.159.44.72, 172.64.35.72 and 3 additional IP addresses.

lady.ns.cloudflare.com maps to 108.162.192.127, 172.64.32.127, 173.245.58.127 and 3 additional IP addresses.

Mail Servers

The MX records for securitybymatt.com point to two mail servers: mail.protonmail.ch and mailsec.protonmail.ch.

securitybymatt.com has the same mail server arrangement as a number of other domains, for example loguj.cz, translax.eu, conti.network and two more.

securitybymatt.com shares at least some of its mail servers with other domains — for example suphap.dk, taxesandthings.com, haroldf.co.za and two more.

mail.protonmail.ch and mailsec.protonmail.ch each have three IP addresses — mail.protonmail.ch directs to 176.119.200.128, 185.70.42.128 and 185.205.70.128; mailsec.protonmail.ch directs to 176.119.200.129, 185.70.42.129 and 185.205.70.129.

securitybymatt.com - robtex.com