mail.coder.nl - dns.ninja

`mail.coder.nl`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:95cd^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:1dd0^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.29.208^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.149.205^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.29.208, 172.67.149.205
		IPv6 hints	2606:4700:3030::ac43:95cd, 2606:4700:3034::6815:1dd0
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=53, name=cloudflare-ech.com

`coder.nl`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:95cd^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:1dd0^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.29.208^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.149.205^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`elsa.ns.cloudflare.com` ⭐
NS	`lamar.ns.cloudflare.com`
TXT	`v=spf1 ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.29.208, 172.67.149.205
		IPv6 hints	2606:4700:3030::ac43:95cd, 2606:4700:3034::6815:1dd0
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=53, name=cloudflare-ech.com
SOA	`elsa.ns.cloudflare.com`dns@cloudflare.com serial=2410911082

Previously MX for

coder.nl

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DNS History

11 records (4 active, 7 former)

●A104.21.29.2082026-02-21 → 2026-07-31 · 5 obs

○ 2016-07-03 17:10:08
● 2026-02-21 08:41:28
● 2026-06-15 08:02:24
○ 2026-06-20 05:16:52
● 2026-07-31 19:28:20

●A172.67.149.2052026-02-21 → 2026-07-31 · 5 obs

○ 2016-07-03 17:10:08
● 2026-02-21 08:41:28
● 2026-06-15 08:02:24
○ 2026-06-20 05:16:52
● 2026-07-31 19:28:20

○A188.114.96.02026-06-20 → 2026-06-20 · 3 obs

○ 2026-06-15 08:02:24
● 2026-06-20 05:16:52
○ 2026-07-31 19:28:20

○A188.114.97.02026-06-20 → 2026-06-20 · 3 obs

○ 2026-06-15 08:02:24
● 2026-06-20 05:16:52
○ 2026-07-31 19:28:20

●A2606:4700:3030::ac43:95cd2026-07-31 → 2026-07-31 · 2 obs

○ 2026-06-20 05:16:52
● 2026-07-31 19:28:20

○A2606:4700:3032::6815:1dd02026-02-21 → 2026-06-15 · 5 obs

○ 2016-07-03 17:10:08
● 2026-02-21 08:41:28
● 2026-06-15 08:02:24
○ 2026-06-20 05:16:52
○ 2026-07-31 19:28:20

○A2606:4700:3033::ac43:95cd2026-02-21 → 2026-06-15 · 5 obs

○ 2016-07-03 17:10:08
● 2026-02-21 08:41:28
● 2026-06-15 08:02:24
○ 2026-06-20 05:16:52
○ 2026-07-31 19:28:20

●A2606:4700:3034::6815:1dd02026-07-31 → 2026-07-31 · 2 obs

○ 2026-06-20 05:16:52
● 2026-07-31 19:28:20

○A2a06:98c1:3120::2026-06-20 → 2026-06-20 · 3 obs

○ 2026-06-15 08:02:24
● 2026-06-20 05:16:52
○ 2026-07-31 19:28:20

○A2a06:98c1:3121::2026-06-20 → 2026-06-20 · 3 obs

○ 2026-06-15 08:02:24
● 2026-06-20 05:16:52
○ 2026-07-31 19:28:20

○A5.22.249.702015-07-20 → 2016-07-03 · 4 obs

● 2015-07-20 02:52:52
● 2016-07-03 17:10:08
○ 2026-02-21 08:41:28
○ 2026-07-31 19:28:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns3.dns.nl, ns4.dns.nl	-
coder.nl	elsa.ns.cloudflare.com, lamar.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.142

NS records: elsa.ns.cloudflare.com, lamar.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coder.nl (unsigned zone)

⏱️ Timing

Total: 1149ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.29.208, 172.67.149.205`
AAAA	2	`2606:4700:3030::ac43:95cd, 2606:4700:3034::6815:1dd0`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

mail.coder.nl has four IP addresses: 104.21.29.208, 172.67.149.205, 2606:4700:3030::ac43:95cd and 2606:4700:3034::6815:1dd0.

Additional host names — (0x696e63657374)o.(0x787878), senacraft.fr, nisbat.org and two others — share IP numbers with mail.coder.nl.