`bitcoinmastery.io`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:197f^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:863d^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.25.127^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.134.61^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`boyd.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b4b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`boyd.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c14b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`boyd.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:214b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`boyd.ns.cloudflare.com`
		A	108.162.193.75^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`boyd.ns.cloudflare.com`
		A	172.64.33.75^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`boyd.ns.cloudflare.com`
		A	173.245.59.75^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`boyd.ns.cloudflare.com`
NS	`elma.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a9a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elma.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c09a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elma.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:209a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elma.ns.cloudflare.com`
		A	108.162.192.154^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elma.ns.cloudflare.com`
		A	172.64.32.154^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elma.ns.cloudflare.com`
		A	173.245.58.154^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elma.ns.cloudflare.com`
TXT	`google-site-verification=JMOLIG7KrdF_vIIg24ewWBfIfD9wqZGB4gkye8cRg9A`
TXT	`google-site-verification=y9tph9zek3iwvhosvhwl5eam1liguuxqoedmwyqbm7q`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.25.127, 172.67.134.61
		IPv6 hints	2606:4700:3031::6815:197f, 2606:4700:3031::ac43:863d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=192, name=cloudflare-ech.com
SOA	`boyd.ns.cloudflare.com`dns@cloudflare.com serial=2410200337

`io`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.nic.io` ⭐
	NS	`a2.nic.io`
	NS	`b0.nic.io`
	NS	`c0.nic.io`
	SOA	`a0.nic.io`hostmaster@donuts.email serial=1785495831

Same first word

bitcoinmastery.io

bitcoinmastery.app

DNS History

8 records (6 active, 2 former)

●NSboyd.ns.cloudflare.com2026-05-19 → 2026-07-31 · 2 obs

● 2026-05-19 13:37:56
● 2026-07-31 11:54:04

●NSelma.ns.cloudflare.com2026-05-19 → 2026-07-31 · 2 obs

● 2026-05-19 13:37:56
● 2026-07-31 11:54:04

●A104.21.25.1272026-05-19 → 2026-07-31 · 2 obs

● 2026-05-19 13:37:56
● 2026-07-31 11:54:04

●A172.67.134.612026-05-19 → 2026-07-31 · 2 obs

● 2026-05-19 13:37:56
● 2026-07-31 11:54:04

○A2606:4700:3030::6815:197f2026-05-19 → 2026-06-05 · 3 obs

● 2026-05-19 13:37:56
● 2026-06-05 22:21:38
○ 2026-07-31 11:54:04

●A2606:4700:3031::6815:197f2026-07-31 → 2026-07-31 · 2 obs

○ 2026-06-05 22:21:38
● 2026-07-31 11:54:04

●A2606:4700:3031::ac43:863d2026-07-31 → 2026-07-31 · 2 obs

○ 2026-06-05 22:21:38
● 2026-07-31 11:54:04

○A2606:4700:3034::ac43:863d2026-05-19 → 2026-06-05 · 3 obs

● 2026-05-19 13:37:56
● 2026-06-05 22:21:38
○ 2026-07-31 11:54:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
io	b0.nic.io, a0.nic.io, a2.nic.io, c0.nic.io	-
bitcoinmastery.io	boyd.ns.cloudflare.com, elma.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.154

NS records: boyd.ns.cloudflare.com, elma.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bitcoinmastery.io (unsigned zone)

⏱️ Timing

Total: 546ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.25.127, 172.67.134.61`
AAAA	2	`2606:4700:3031::ac43:863d, 2606:4700:3031::6815:197f`
NS	2	`boyd.ns.cloudflare.com, elma.ns.cloudflare.com`
TXT	2	`google-site-verification=JMOLIG7KrdF_vII, google-site-verification=y9tph9zek3iwvho`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`boyd.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

bitcoinmastery.io has four IP addresses: 104.21.25.127, 172.67.134.61, 2606:4700:3031::6815:197f and 2606:4700:3031::ac43:863d.

Two other host names, along with groupone-media.com, sgbuses.com and xpressoreads.com, also share IP numbers with bitcoinmastery.io.

Name Servers

DNS delegation for bitcoinmastery.io points to two name servers: boyd.ns.cloudflare.com and elma.ns.cloudflare.com.

bitcoinmastery.io shares its NS records with other domains, for example signin-location.com, watergate.co.uk, watergatebayhotel.co.uk and two others.

bitcoinmastery.io shares at least some of its name servers with other domains, including request-tracker.ru, fairplayforwomen.co.uk, avan-c.com and two others.

These name servers are frequently paired with the name servers leland.ns.cloudflare.com, melinda.ns.cloudflare.com and ken.ns.cloudflare.com.

DNS names with 6 IP addresses:

boyd.ns.cloudflare.com has IP addresses 108.162.193.75, 172.64.33.75 and 173.245.59.75, plus 3 other.

elma.ns.cloudflare.com has IP addresses 108.162.192.154, 172.64.32.154 and 173.245.58.154, plus 3 other.

bitcoinmastery.io - robtex.com