api.buffer.dk - dns.ninja

`api.buffer.dk`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:83c9^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:44c^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.4.76^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.131.201^{🇺🇸 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	104.21.4.76, 172.67.131.201
		IPv6 hints	2606:4700:3031::ac43:83c9, 2606:4700:3035::6815:44c
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=253, name=cloudflare-ech.com

`buffer.dk`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:83c9^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:44c^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.4.76^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.131.201^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`elliott.ns.cloudflare.com` ⭐
NS	`sarah.ns.cloudflare.com`
MX	`mailserver.darknet.dk` ⭐
TXT	`spf2.0/pra`
TXT	`v=spf1 include:_spf.mailserver.darknet.dk -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.4.76, 172.67.131.201
		IPv6 hints	2606:4700:3031::ac43:83c9, 2606:4700:3035::6815:44c
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=253, name=cloudflare-ech.com
SOA	`elliott.ns.cloudflare.com`dns@cloudflare.com serial=2405508221

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DNS History

6 records (4 active, 2 former)

●A104.21.4.762026-03-28 → 2026-06-13 · 2 obs

● 2026-03-28 21:07:50
● 2026-06-13 22:41:38

○A172.64.80.12026-03-28 → 2026-06-13 · 2 obs

○ 2026-03-28 21:07:50
○ 2026-06-13 22:41:38

●A172.67.131.2012026-03-28 → 2026-06-13 · 2 obs

● 2026-03-28 21:07:50
● 2026-06-13 22:41:38

○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-28 → 2026-06-13 · 2 obs

○ 2026-03-28 21:07:50
○ 2026-06-13 22:41:38

●A2606:4700:3031::ac43:83c92026-03-28 → 2026-06-13 · 2 obs

● 2026-03-28 21:07:50
● 2026-06-13 22:41:38

●A2606:4700:3035::6815:44c2026-03-28 → 2026-06-13 · 2 obs

● 2026-03-28 21:07:50
● 2026-06-13 22:41:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, h.nic.dk, t.nic.dk, c.nic.dk...	-
buffer.dk	sarah.ns.cloudflare.com, elliott.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.228

NS records: sarah.ns.cloudflare.com, elliott.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for buffer.dk (unsigned zone)

⏱️ Timing

Total: 607ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.4.76, 172.67.131.201`
AAAA	2	`2606:4700:3031::ac43:83c9, 2606:4700:3035::6815:44c`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

api.buffer.dk points to four IP numbers: 104.21.4.76, 172.67.131.201, 2606:4700:3031::ac43:83c9 and 2606:4700:3035::6815:44c.

www.softdk.com, sultan4dlike.site, breloquependentif.com and two other host names share IP numbers with api.buffer.dk.