mail.systemroot.org - dns.ninja

`mail.systemroot.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:99e5^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:434^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.4.52^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.153.229^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.4.52, 172.67.153.229
		IPv6 hints	2606:4700:3032::ac43:99e5, 2606:4700:3037::6815:434
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=88, name=cloudflare-ech.com

`systemroot.org`

	DNSSEC	⚠️ Not signed
	A	207.180.235.161^{🇩🇪 CONTABO207.180.234.0/23}
	NS	`brenna.ns.cloudflare.com` ⭐
	NS	`sri.ns.cloudflare.com`
	MX	`systemroot-org.mail.protection.outlook.com` ⭐
	TXT	`MS=ms52121284`
	TXT	`google-site-verification=6hvpQj45wIuCaP8o7SArlSvsaRlqZYxxeSgMFOWXPYI`
	TXT	`v=spf1 a ip4:207.180.235.161 include:spf.protection.outlook.com -all`
	SOA	`brenna.ns.cloudflare.com`dns@cloudflare.com serial=2406293027

Previously MX for

systemroot.org

Same first word

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DNS History

7 records (4 active, 3 former)

●A104.21.4.522026-05-15 → 2026-07-03 · 3 obs

○ 2016-05-03 12:36:14
● 2026-05-15 21:28:38
● 2026-07-03 14:39:46

●A172.67.153.2292026-05-15 → 2026-07-03 · 3 obs

○ 2016-05-03 12:36:14
● 2026-05-15 21:28:38
● 2026-07-03 14:39:46

○A185.16.63.1972015-06-01 → 2016-05-03 · 4 obs

● 2015-06-01 13:12:24
● 2016-05-03 12:36:14
○ 2026-05-15 21:28:38
○ 2026-07-03 14:39:46

○A2606:4700:3032::6815:4342026-05-15 → 2026-06-17 · 5 obs

○ 2016-05-03 12:36:14
● 2026-05-15 21:28:38
● 2026-06-17 13:24:56
○ 2026-06-25 20:13:12
○ 2026-07-03 14:39:46

●A2606:4700:3032::ac43:99e52026-06-25 → 2026-07-03 · 3 obs

○ 2026-06-17 13:24:56
● 2026-06-25 20:13:12
● 2026-07-03 14:39:46

○A2606:4700:3036::ac43:99e52026-05-15 → 2026-06-17 · 5 obs

○ 2016-05-03 12:36:14
● 2026-05-15 21:28:38
● 2026-06-17 13:24:56
○ 2026-06-25 20:13:12
○ 2026-07-03 14:39:46

●A2606:4700:3037::6815:4342026-06-25 → 2026-07-03 · 3 obs

○ 2026-06-17 13:24:56
● 2026-06-25 20:13:12
● 2026-07-03 14:39:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
systemroot.org	brenna.ns.cloudflare.com, sri.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.234

NS records: brenna.ns.cloudflare.com, sri.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for systemroot.org (unsigned zone)

⏱️ Timing

Total: 601ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.4.52, 172.67.153.229`
AAAA	2	`2606:4700:3032::ac43:99e5, 2606:4700:3037::6815:434`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

mail.systemroot.org has four IP addresses: 104.21.4.52, 172.67.153.229, 2606:4700:3032::ac43:99e5 and 2606:4700:3037::6815:434.

Additional host names — sewamobiljogja.my.id, tradekom.shop.cdn.cloudflare.net, newacrobat.com and two others — share IP numbers with mail.systemroot.org.