🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`learn.srlinux.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:1c09^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:aa22^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.28.9^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.170.34^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.28.9, 172.67.170.34
		IPv6 hints	2606:4700:3034::6815:1c09, 2606:4700:3037::ac43:aa22
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=250, name=cloudflare-ech.com

`srlinux.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:1c09^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:aa22^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.28.9^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.170.34^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jerome.ns.cloudflare.com` ⭐
NS	`olga.ns.cloudflare.com`
MX	`eforward1.registrar-servers.com` ⭐
MX	`eforward2.registrar-servers.com` ⭐
MX	`eforward3.registrar-servers.com` ⭐
MX	`eforward4.registrar-servers.com`⁽¹⁵⁾
MX	`eforward5.registrar-servers.com`⁽²⁰⁾
TXT	`v=spf1 include:spf.efwd.registrar-servers.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.28.9, 172.67.170.34
		IPv6 hints	2606:4700:3034::6815:1c09, 2606:4700:3037::ac43:aa22
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=250, name=cloudflare-ech.com
SOA	`jerome.ns.cloudflare.com`dns@cloudflare.com serial=2419006066

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DNS History

8 records (4 active, 4 former)

●A104.21.28.92026-10-22 → 2026-11-07 · 3 obs

○ 2026-09-30 02:57:14
● 2026-10-22 10:42:06
● 2026-11-07 01:30:04

●A172.67.170.342026-10-22 → 2026-11-07 · 3 obs

○ 2026-09-30 02:57:14
● 2026-10-22 10:42:06
● 2026-11-07 01:30:04

○A188.114.96.02026-09-30 → 2026-09-30 · 3 obs

● 2026-09-30 02:57:14
○ 2026-10-22 10:42:06
○ 2026-11-07 01:30:04

○A188.114.97.02026-09-30 → 2026-09-30 · 3 obs

● 2026-09-30 02:57:14
○ 2026-10-22 10:42:06
○ 2026-11-07 01:30:04

●A2606:4700:3034::6815:1c092026-10-22 → 2026-11-07 · 3 obs

○ 2026-09-30 02:57:14
● 2026-10-22 10:42:06
● 2026-11-07 01:30:04

●A2606:4700:3037::ac43:aa222026-10-22 → 2026-11-07 · 3 obs

○ 2026-09-30 02:57:14
● 2026-10-22 10:42:06
● 2026-11-07 01:30:04

○A2a06:98c1:3120::2026-09-30 → 2026-09-30 · 3 obs

● 2026-09-30 02:57:14
○ 2026-10-22 10:42:06
○ 2026-11-07 01:30:04

○A2a06:98c1:3121::2026-09-30 → 2026-09-30 · 3 obs

● 2026-09-30 02:57:14
○ 2026-10-22 10:42:06
○ 2026-11-07 01:30:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
srlinux.dev	olga.ns.cloudflare.com, jerome.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.137

NS records: olga.ns.cloudflare.com, jerome.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)

⏱️ Timing

Total: 997ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.28.9, 172.67.170.34`
AAAA	2	`2606:4700:3037::ac43:aa22, 2606:4700:3034::6815:1c09`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

learn.srlinux.dev resolves to four IP addresses: 104.21.28.9, 172.67.170.34, 2606:4700:3034::6815:1c09 and 2606:4700:3037::ac43:aa22.

apaldobet.com, belt-scales.ca, makam.web.id and two other host names share IP numbers with learn.srlinux.dev.

learn.srlinux.dev - robtex.com