`mail.riool.nl`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:ad6^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:a489^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.10.214^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.164.137^{🇺🇸 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	104.21.10.214, 172.67.164.137
		IPv6 hints	2606:4700:3036::6815:ad6, 2606:4700:3037::ac43:a489
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=105, name=cloudflare-ech.com

`riool.nl`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:ad6^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:a489^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.10.214^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.164.137^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`darwin.ns.cloudflare.com` ⭐
NS	`tara.ns.cloudflare.com`
MX	`riool-nl.mail.protection.outlook.com` ⭐
TXT	`v=spf1 include:spf.protection.outlook.com ip4:37.0.94.130 a:barracuda.riool.n...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.10.214, 172.67.164.137
		IPv6 hints	2606:4700:3036::6815:ad6, 2606:4700:3037::ac43:a489
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=105, name=cloudflare-ech.com
SOA	`darwin.ns.cloudflare.com`dns@cloudflare.com serial=2409903329

WOT: SAFE (61/100)

Previously MX for

riool.nl

Same first word

mail.bambina.jp

mail.hu.net

mail.whitesnow.jp

mail.se

mail.keymachine.de

mail.gd

mail.ms.gov.br

mail.csx.cc

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DNS History

11 records (4 active, 7 former)

●A104.21.10.2142026-03-09 → 2026-08-06 · 7 obs

○ 2016-07-14 21:06:36
● 2026-03-09 03:03:28
● 2026-05-10 09:06:28
○ 2026-05-13 12:18:02
○ 2026-05-25 18:09:36
● 2026-05-26 13:34:50
● 2026-08-06 22:45:06

●A172.67.164.1372026-03-09 → 2026-08-06 · 7 obs

○ 2016-07-14 21:06:36
● 2026-03-09 03:03:28
● 2026-05-10 09:06:28
○ 2026-05-13 12:18:02
○ 2026-05-25 18:09:36
● 2026-05-26 13:34:50
● 2026-08-06 22:45:06

○A188.114.96.02026-05-13 → 2026-05-25 · 6 obs

○ 2026-03-09 03:03:28
○ 2026-05-10 09:06:28
● 2026-05-13 12:18:02
● 2026-05-25 18:09:36
○ 2026-05-26 13:34:50
○ 2026-08-06 22:45:06

○A188.114.97.02026-05-13 → 2026-05-25 · 6 obs

○ 2026-03-09 03:03:28
○ 2026-05-10 09:06:28
● 2026-05-13 12:18:02
● 2026-05-25 18:09:36
○ 2026-05-26 13:34:50
○ 2026-08-06 22:45:06

○A2606:4700:3035::ac43:a4892026-03-09 → 2026-06-01 · 9 obs

○ 2016-07-14 21:06:36
● 2026-03-09 03:03:28
● 2026-05-10 09:06:28
○ 2026-05-13 12:18:02
○ 2026-05-25 18:09:36
● 2026-05-26 13:34:50
● 2026-06-01 06:00:06
○ 2026-07-04 00:28:58
○ 2026-08-06 22:45:06

●A2606:4700:3036::6815:ad62026-07-04 → 2026-08-06 · 3 obs

○ 2026-06-01 06:00:06
● 2026-07-04 00:28:58
● 2026-08-06 22:45:06

○A2606:4700:3037::6815:ad62026-03-09 → 2026-06-01 · 9 obs

●A2606:4700:3037::ac43:a4892026-07-04 → 2026-08-06 · 3 obs

○ 2026-06-01 06:00:06
● 2026-07-04 00:28:58
● 2026-08-06 22:45:06

○A2a06:98c1:3120::2026-05-13 → 2026-05-25 · 6 obs

○ 2026-03-09 03:03:28
○ 2026-05-10 09:06:28
● 2026-05-13 12:18:02
● 2026-05-25 18:09:36
○ 2026-05-26 13:34:50
○ 2026-08-06 22:45:06

○A2a06:98c1:3121::2026-05-13 → 2026-05-25 · 6 obs

○ 2026-03-09 03:03:28
○ 2026-05-10 09:06:28
● 2026-05-13 12:18:02
● 2026-05-25 18:09:36
○ 2026-05-26 13:34:50
○ 2026-08-06 22:45:06

○A37.0.94.1302015-07-15 → 2016-07-14 · 4 obs

● 2015-07-15 14:32:34
● 2016-07-14 21:06:36
○ 2026-03-09 03:03:28
○ 2026-08-06 22:45:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns3.dns.nl, ns4.dns.nl	-
riool.nl	tara.ns.cloudflare.com, darwin.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.151

NS records: tara.ns.cloudflare.com, darwin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for riool.nl (unsigned zone)

⏱️ Timing

Total: 278ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.10.214, 172.67.164.137`
AAAA	2	`2606:4700:3036::6815:ad6, 2606:4700:3037::ac43:a489`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

mail.riool.nl has four IP addresses: 104.21.10.214, 172.67.164.137, 2606:4700:3036::6815:ad6 and 2606:4700:3037::ac43:a489.

Additional host names — ygzdzy.com, prisoninmates.net, greatwesternhomeloans.com and two others — share IP numbers with mail.riool.nl.

mail.riool.nl - robtex.com

mail.riool.nl

riool.nl

Previously MX for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

`mail.riool.nl`

`riool.nl`