mail.knizo.com - robtex.com

mail.knizo.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:5fb0🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::ac43:aaf3🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.95.176Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.170.243🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.95.176, 172.67.170.243
IPv6 hints2606:4700:3031::6815:5fb0, 2606:4700:3032::ac43:aaf3
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=74, name=cloudflare-ech.com

knizo.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:5fb0🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::ac43:aaf3🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.95.176Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.170.243🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSemely.ns.cloudflare.com ⭐
NSrohin.ns.cloudflare.com
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(5)
MXalt2.aspmx.l.google.com(5)
MXaspmx2.googlemail.com(10)
MXaspmx3.googlemail.com(10)
MXaspmx4.googlemail.com(60)
MXaspmx5.googlemail.com(70)
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.95.176, 172.67.170.243
IPv6 hints2606:4700:3031::6815:5fb0, 2606:4700:3032::ac43:aaf3
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=74, name=cloudflare-ech.com
SOAemely.ns.cloudflare.comdns@cloudflare.com serial=2401600275

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DNS History

24 records (4 active, 20 former)

20162017201820192020202120222023202420252026A104.21.95.176172.67.170.2432606:4700:3031::6815:5fb02606:4700:3032::ac43:aaf32404:6800:4003:c01::792404:6800:4008:c02::792607:f8b0:400d:c06::792607:f8b0:400e:c02::792607:f8b0:400e:c04::792800:3f0:4003:c00::792a00:1450:400b:c02::792a00:1450:400c:c02::792a00:1450:400c:c0b::7964.233.184.12164.233.186.12174.125.129.12174.125.130.12174.125.22.12174.125.23.12174.125.24.12174.125.28.12174.125.71.121CNAMEghs.google.comghs.l.google.com
●A104.21.95.1762026-03-30 → 2026-04-14 · 3 obs
○ 2016-04-17 07:41:48
● 2026-03-30 07:19:32
● 2026-04-14 02:30:06
●A172.67.170.2432026-03-30 → 2026-04-14 · 3 obs
○ 2016-04-17 07:41:48
● 2026-03-30 07:19:32
● 2026-04-14 02:30:06
○A2404:6800:4003:c01::792015-06-01 → 2015-06-01 · 3 obs
● 2015-06-01 23:06:40
○ 2026-03-30 07:19:32
○ 2026-04-14 02:30:06
○A2404:6800:4008:c02::792015-06-01 → 2015-06-01 · 3 obs
● 2015-06-01 23:06:40
○ 2026-03-30 07:19:32
○ 2026-04-14 02:30:06
●A2606:4700:3031::6815:5fb02026-03-30 → 2026-04-14 · 3 obs
○ 2016-04-17 07:41:48
● 2026-03-30 07:19:32
● 2026-04-14 02:30:06
●A2606:4700:3032::ac43:aaf32026-03-30 → 2026-04-14 · 3 obs
○ 2016-04-17 07:41:48
● 2026-03-30 07:19:32
● 2026-04-14 02:30:06
○A2607:f8b0:400d:c06::792015-06-01 → 2015-06-01 · 3 obs
● 2015-06-01 23:06:40
○ 2026-03-30 07:19:32
○ 2026-04-14 02:30:06
○A2607:f8b0:400e:c02::792015-06-01 → 2015-06-01 · 3 obs
● 2015-06-01 23:06:40
○ 2026-03-30 07:19:32
○ 2026-04-14 02:30:06
○A2607:f8b0:400e:c04::792015-06-01 → 2015-06-01 · 3 obs
● 2015-06-01 23:06:40
○ 2026-03-30 07:19:32
○ 2026-04-14 02:30:06
○A2800:3f0:4003:c00::792015-06-01 → 2015-06-01 · 3 obs
● 2015-06-01 23:06:40
○ 2026-03-30 07:19:32
○ 2026-04-14 02:30:06
○A2a00:1450:400b:c02::792015-06-01 → 2015-10-29 · 4 obs
● 2015-06-01 23:06:40
● 2015-10-29 10:55:50
○ 2016-01-25 13:57:30
○ 2026-04-14 02:30:06
○A2a00:1450:400c:c02::792016-04-17 → 2016-04-17 · 4 obs
○ 2016-01-25 13:57:30
● 2016-04-17 07:41:48
○ 2026-03-30 07:19:32
○ 2026-04-14 02:30:06
○A2a00:1450:400c:c0b::792016-01-25 → 2016-01-25 · 4 obs
○ 2015-10-29 10:55:50
● 2016-01-25 13:57:30
○ 2016-04-17 07:41:48
○ 2026-04-14 02:30:06
○A64.233.184.1212016-01-25 → 2016-01-25 · 4 obs
○ 2015-10-29 10:55:50
● 2016-01-25 13:57:30
○ 2016-04-17 07:41:48
○ 2026-04-14 02:30:06
○A64.233.186.1212015-06-01 → 2015-06-01 · 3 obs
● 2015-06-01 23:06:40
○ 2026-03-30 07:19:32
○ 2026-04-14 02:30:06
○A74.125.129.1212015-06-01 → 2015-06-01 · 3 obs
● 2015-06-01 23:06:40
○ 2026-03-30 07:19:32
○ 2026-04-14 02:30:06
○A74.125.130.1212015-06-01 → 2015-06-01 · 3 obs
● 2015-06-01 23:06:40
○ 2026-03-30 07:19:32
○ 2026-04-14 02:30:06
○A74.125.22.1212015-06-01 → 2015-06-01 · 3 obs
● 2015-06-01 23:06:40
○ 2026-03-30 07:19:32
○ 2026-04-14 02:30:06
○A74.125.23.1212015-06-01 → 2015-06-01 · 3 obs
● 2015-06-01 23:06:40
○ 2026-03-30 07:19:32
○ 2026-04-14 02:30:06
○A74.125.24.1212015-06-01 → 2015-10-29 · 4 obs
● 2015-06-01 23:06:40
● 2015-10-29 10:55:50
○ 2016-01-25 13:57:30
○ 2026-04-14 02:30:06
○A74.125.28.1212015-06-01 → 2015-06-01 · 3 obs
● 2015-06-01 23:06:40
○ 2026-03-30 07:19:32
○ 2026-04-14 02:30:06
○A74.125.71.1212016-04-17 → 2016-04-17 · 4 obs
○ 2016-01-25 13:57:30
● 2016-04-17 07:41:48
○ 2026-03-30 07:19:32
○ 2026-04-14 02:30:06
○CNAMEghs.google.com2015-06-01 → 2016-04-17 · 4 obs
● 2015-06-01 23:06:40
● 2016-04-17 07:41:48
○ 2026-03-30 07:19:32
○ 2026-04-14 02:30:06
○CNAMEghs.l.google.com2015-10-29 → 2016-04-17 · 5 obs
○ 2015-06-01 23:06:40
● 2015-10-29 10:55:50
● 2016-04-17 07:41:48
○ 2026-03-30 07:19:32
○ 2026-04-14 02:30:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comh.gtld-servers.net, g.gtld-servers.net, j.gtld-servers.net, i.gtld-servers.net...-
knizo.comemely.ns.cloudflare.com, rohin.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.209

NS records: emely.ns.cloudflare.com, rohin.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 192ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.170.243, 104.21.95.176
AAAA22606:4700:3032::ac43:aaf3, 2606:4700:3031::6815:5fb0
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.knizo.com resolves to four IPs: 2606:4700:3031::6815:5fb0, 2606:4700:3032::ac43:aaf3, 104.21.95.176 and 172.67.170.243.

Other host names, for instance mailwatch.co.uk, tt499.com, mobyte.org, archlinebim.pl and global-timocom.com share IP numbers with mail.knizo.com.