mail.knobs.stream - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`mail.knobs.stream`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:85e1^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:5da^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.5.218^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.133.225^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.5.218, 172.67.133.225
		IPv6 hints	2606:4700:3030::ac43:85e1, 2606:4700:3034::6815:5da
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=29, name=cloudflare-ech.com

`knobs.stream`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:85e1^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:5da^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.5.218^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.133.225^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cruz.ns.cloudflare.com` ⭐
NS	`gabe.ns.cloudflare.com`
MX	`mail.knobs.stream` ⭐
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.5.218, 172.67.133.225
		IPv6 hints	2606:4700:3030::ac43:85e1, 2606:4700:3034::6815:5da
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=29, name=cloudflare-ech.com
SOA	`cruz.ns.cloudflare.com`dns@cloudflare.com serial=2413650022

MX for

knobs.stream

Same first word

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Previous names

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DNS History

4 records (4 active, 0 former)

●A104.21.5.2182026-09-05 → 2026-09-05 · 2 obs

● 2026-09-05 20:56:54
● 2026-09-05 21:11:58

●A172.67.133.2252026-09-05 → 2026-09-05 · 2 obs

● 2026-09-05 20:56:54
● 2026-09-05 21:11:58

●A2606:4700:3030::ac43:85e12026-09-05 → 2026-09-05 · 2 obs

● 2026-09-05 20:56:54
● 2026-09-05 21:11:58

●A2606:4700:3034::6815:5da2026-09-05 → 2026-09-05 · 2 obs

● 2026-09-05 20:56:54
● 2026-09-05 21:11:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
stream	a.nic.stream, b.nic.stream, c.nic.stream, ns1.dns.nic.stream...	12 records
knobs.stream	cruz.ns.cloudflare.com, gabe.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.114

NS records: cruz.ns.cloudflare.com, gabe.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knobs.stream (unsigned zone)

⏱️ Timing

Total: 1463ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.133.225, 104.21.5.218`
AAAA	2	`2606:4700:3030::ac43:85e1, 2606:4700:3034::6815:5da`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (a.nic.stream, a.nic.stream, b.nic.stream...)

Analysis

Mail Server Role

Mail for knobs.stream is routed through the mail server mail.knobs.stream.

IP Addresses

mail.knobs.stream points to the four IP addresses 104.21.5.218, 172.67.133.225, 2606:4700:3030::ac43:85e1 and 2606:4700:3034::6815:5da.

mrteo.pt, fh-mitte.de, bitcoinhonduras.com plus two other host names have IP numbers in common with mail.knobs.stream.