`api.keylearncore.monster`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:2553^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:ce22^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.37.83^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.206.34^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.37.83, 172.67.206.34
		IPv6 hints	2606:4700:3034::6815:2553, 2606:4700:3034::ac43:ce22
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=175, name=cloudflare-ech.com

`keylearncore.monster`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:2553^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:ce22^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.37.83^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.206.34^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`burt.ns.cloudflare.com` ⭐
NS	`liberty.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.37.83, 172.67.206.34
		IPv6 hints	2606:4700:3034::6815:2553, 2606:4700:3034::ac43:ce22
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=175, name=cloudflare-ech.com
SOA	`burt.ns.cloudflare.com`dns@cloudflare.com serial=2401591266

⚠️ On DNS blocklist: tif
📈 Tranco rank: #732,046

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DNS History

4 records (4 active, 0 former)

●A104.21.37.832026-04-15 → 2026-04-29 · 2 obs

● 2026-04-15 22:51:10
● 2026-04-29 16:02:10

●A172.67.206.342026-04-15 → 2026-04-29 · 2 obs

● 2026-04-15 22:51:10
● 2026-04-29 16:02:10

●A2606:4700:3034::6815:25532026-04-15 → 2026-04-29 · 2 obs

● 2026-04-15 22:51:10
● 2026-04-29 16:02:10

●A2606:4700:3034::ac43:ce222026-04-15 → 2026-04-29 · 2 obs

● 2026-04-15 22:51:10
● 2026-04-29 16:02:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
monster	b.nic.monster, d.nic.monster, a.nic.monster, c.nic.monster	8 records
keylearncore.monster	burt.ns.cloudflare.com, liberty.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.79

NS records: burt.ns.cloudflare.com, liberty.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for keylearncore.monster (unsigned zone)

⏱️ Timing

Total: 402ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.37.83, 172.67.206.34`
AAAA	2	`2606:4700:3034::ac43:ce22, 2606:4700:3034::6815:2553`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (b.nic.monster, b.nic.monster, d.nic.monster...)

Analysis

IP Addresses

api.keylearncore.monster refers to four IP numbers: 2606:4700:3034::6815:2553, 2606:4700:3034::ac43:ce22, 104.21.37.83 and 172.67.206.34.

Other host names, for instance bergus.org, www.skywatersystems.com, ison-tech.com, www.sacramento-termite-control.com and theworldpayment.shop share IP numbers with api.keylearncore.monster.

api.keylearncore.monster - robtex.com