mail.astuning.nl - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

mail.astuning.nl

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:b01f🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:3017🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.48.23Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.176.31🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.48.23, 172.67.176.31
IPv6 hints2606:4700:3031::ac43:b01f, 2606:4700:3037::6815:3017
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=111, name=cloudflare-ech.com

astuning.nl

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:b01f🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:3017🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.48.23Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.176.31🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjewel.ns.cloudflare.com ⭐
NSsid.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.48.23, 172.67.176.31
IPv6 hints2606:4700:3031::ac43:b01f, 2606:4700:3037::6815:3017
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=111, name=cloudflare-ech.com
SOAjewel.ns.cloudflare.comdns@cloudflare.com serial=2411656755

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DNS History

8 records (4 active, 4 former)

A104.21.48.23172.67.176.312606:4700:3031::ac43:b01f2606:4700:3037::6815:3017172.64.80.12606:4700:130:436c:6f75:6466:6c61:72652606:4700:3035::ac43:b01f2606:4700:3036::6815:3017
●A104.21.48.232026-02-24 → 2026-08-16 · 5 obs
● 2026-02-24 09:35:04
● 2026-03-03 00:53:30
○ 2026-03-06 16:48:28
● 2026-03-20 12:02:46
● 2026-08-16 22:32:42
○A172.64.80.12026-03-06 → 2026-03-06 · 4 obs
○ 2026-03-03 00:53:30
● 2026-03-06 16:48:28
○ 2026-03-20 12:02:46
○ 2026-08-16 22:32:42
●A172.67.176.312026-02-24 → 2026-08-16 · 5 obs
● 2026-02-24 09:35:04
● 2026-03-03 00:53:30
○ 2026-03-06 16:48:28
● 2026-03-20 12:02:46
● 2026-08-16 22:32:42
○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-03 → 2026-03-06 · 5 obs
○ 2026-03-01 05:33:30
● 2026-03-03 00:53:30
● 2026-03-06 16:48:28
○ 2026-03-20 12:02:46
○ 2026-08-16 22:32:42
●A2606:4700:3031::ac43:b01f2026-06-24 → 2026-08-16 · 3 obs
○ 2026-06-13 18:38:54
● 2026-06-24 03:55:30
● 2026-08-16 22:32:42
○A2606:4700:3035::ac43:b01f2026-02-24 → 2026-06-13 · 8 obs
● 2026-02-24 09:35:04
● 2026-03-01 05:33:30
○ 2026-03-03 00:53:30
○ 2026-03-06 16:48:28
● 2026-03-20 12:02:46
● 2026-06-13 18:38:54
○ 2026-06-24 03:55:30
○ 2026-08-16 22:32:42
○A2606:4700:3036::6815:30172026-02-24 → 2026-06-13 · 8 obs
● 2026-02-24 09:35:04
● 2026-03-01 05:33:30
○ 2026-03-03 00:53:30
○ 2026-03-06 16:48:28
● 2026-03-20 12:02:46
● 2026-06-13 18:38:54
○ 2026-06-24 03:55:30
○ 2026-08-16 22:32:42
●A2606:4700:3037::6815:30172026-06-24 → 2026-08-16 · 3 obs
○ 2026-06-13 18:38:54
● 2026-06-24 03:55:30
● 2026-08-16 22:32:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns4.dns.nl, ns1.dns.nl, ns3.dns.nl-
astuning.nlsid.ns.cloudflare.com, jewel.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.143

NS records: sid.ns.cloudflare.com, jewel.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for astuning.nl (unsigned zone)

⏱️ Timing

Total: 474ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.176.31, 104.21.48.23
AAAA22606:4700:3037::6815:3017, 2606:4700:3031::ac43:b01f
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.astuning.nl directs to four IP numbers, which are 104.21.48.23, 172.67.176.31, 2606:4700:3031::ac43:b01f and 2606:4700:3037::6815:3017.

myfitnesspal.org.nz, dkbestcasino.com, billboardbottles.com plus two other host names have IP numbers in common with mail.astuning.nl.