`dfdmastery.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:14d4^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:c278^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.20.212^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.194.120^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jason.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bb3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jason.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1b3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jason.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21b3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jason.ns.cloudflare.com`
		A	108.162.193.179^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jason.ns.cloudflare.com`
		A	172.64.33.179^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jason.ns.cloudflare.com`
		A	173.245.59.179^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jason.ns.cloudflare.com`
NS	`meiling.ns.cloudflare.com`
		A	2606:4700:50::a29f:26fe^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meiling.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2fe^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`meiling.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22fe^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`meiling.ns.cloudflare.com`
		A	108.162.194.254^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meiling.ns.cloudflare.com`
		A	162.159.38.254^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meiling.ns.cloudflare.com`
		A	172.64.34.254^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meiling.ns.cloudflare.com`
MX	`_dc-mx.2ef0b4c96cd6.dfdmastery.com` ⭐
TXT	`v=spf1 +a +mx +ip4:15.235.229.3 include:relay.mailchannels.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.20.212, 172.67.194.120
		IPv6 hints	2606:4700:3033::6815:14d4, 2606:4700:3033::ac43:c278
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=74, name=cloudflare-ech.com
SOA	`jason.ns.cloudflare.com`dns@cloudflare.com serial=2409811976

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1785383832

Same first word

dfdmastery.com

Similar names

mrfasteddy.com

DNS History

18 records (7 active, 11 former)

○NSbruce.ns.cloudflare.com2026-02-15 → 2026-02-27 · 5 obs

○ 2019-12-17 15:34:30
● 2026-02-15 20:03:14
● 2026-02-27 15:51:36
○ 2026-04-13 18:39:40
○ 2026-07-30 04:00:52

●NSjason.ns.cloudflare.com2026-04-13 → 2026-07-30 · 3 obs

○ 2026-02-27 15:51:36
● 2026-04-13 18:39:40
● 2026-07-30 04:00:52

●NSmeiling.ns.cloudflare.com2026-04-13 → 2026-07-30 · 3 obs

○ 2026-02-27 15:51:36
● 2026-04-13 18:39:40
● 2026-07-30 04:00:52

○NSnataly.ns.cloudflare.com2026-02-15 → 2026-02-27 · 5 obs

○ 2019-12-17 15:34:30
● 2026-02-15 20:03:14
● 2026-02-27 15:51:36
○ 2026-04-13 18:39:40
○ 2026-07-30 04:00:52

○NSns45.domaincontrol.com2019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 15:34:30
○ 2026-02-15 20:03:14
○ 2026-07-30 04:00:52

○NSns46.domaincontrol.com2019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 15:34:30
○ 2026-02-15 20:03:14
○ 2026-07-30 04:00:52

●MX_dc-mx.2ef0b4c96cd6.dfdmastery.com2026-02-15 → 2026-07-30 · 3 obs

○ 2019-12-17 15:34:30
● 2026-02-15 20:03:14
● 2026-07-30 04:00:52

○MXalt1.aspmx.l.google.com2019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 15:34:30
○ 2026-02-15 20:03:14
○ 2026-07-30 04:00:52

○MXalt2.aspmx.l.google.com2019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 15:34:30
○ 2026-02-15 20:03:14
○ 2026-07-30 04:00:52

○MXaspmx.l.google.com2019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 15:34:30
○ 2026-02-15 20:03:14
○ 2026-07-30 04:00:52

○MXaspmx2.googlemail.com2019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 15:34:30
○ 2026-02-15 20:03:14
○ 2026-07-30 04:00:52

○MXaspmx3.googlemail.com2019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 15:34:30
○ 2026-02-15 20:03:14
○ 2026-07-30 04:00:52

●A104.21.20.2122026-02-15 → 2026-07-30 · 3 obs

○ 2019-12-17 15:34:30
● 2026-02-15 20:03:14
● 2026-07-30 04:00:52

●A172.67.194.1202026-02-15 → 2026-07-30 · 3 obs

○ 2019-12-17 15:34:30
● 2026-02-15 20:03:14
● 2026-07-30 04:00:52

○A184.168.131.2412019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 15:34:30
○ 2026-02-15 20:03:14
○ 2026-07-30 04:00:52

●A2606:4700:3033::6815:14d42026-07-02 → 2026-07-30 · 3 obs

○ 2026-04-13 18:39:40
● 2026-07-02 01:26:26
● 2026-07-30 04:00:52

●A2606:4700:3033::ac43:c2782026-02-15 → 2026-07-30 · 3 obs

○ 2019-12-17 15:34:30
● 2026-02-15 20:03:14
● 2026-07-30 04:00:52

○A2606:4700:3035::6815:14d42026-02-15 → 2026-04-13 · 5 obs

○ 2019-12-17 15:34:30
● 2026-02-15 20:03:14
● 2026-04-13 18:39:40
○ 2026-07-02 01:26:26
○ 2026-07-30 04:00:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, f.gtld-servers.net, k.gtld-servers.net, d.gtld-servers.net...	-
dfdmastery.com	jason.ns.cloudflare.com, meiling.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.179

NS records: jason.ns.cloudflare.com, meiling.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dfdmastery.com (unsigned zone)

⏱️ Timing

Total: 162ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.194.120, 104.21.20.212`
AAAA	2	`2606:4700:3033::ac43:c278, 2606:4700:3033::6815:14d4`
NS	2	`jason.ns.cloudflare.com, meiling.ns.cloudflare.com`
MX	1	`_dc-mx.2ef0b4c96cd6.dfdmastery.com (pri:`
TXT	1	`v=spf1 +a +mx +ip4:15.235.229.3 include:`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jason.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (jason.ns.cloudflare.com, jason.ns.cloudflare.com, jason.ns.cloudflare.com...)

Analysis

IP Addresses

dfdmastery.com points to the four IP addresses 104.21.20.212, 172.67.194.120, 2606:4700:3033::6815:14d4 and 2606:4700:3033::ac43:c278.

xvoir.com, cs3.a5.ru, nbzhxm.com and two other host names share IP numbers with dfdmastery.com.

Name Servers

dfdmastery.com is delegated to two name servers: jason.ns.cloudflare.com and meiling.ns.cloudflare.com.

dfdmastery.com uses the same name servers as several other domains — among them competitor-thispond.courses, automate-notion.com, realguts.com.tw and two more.

There is at least partial name server overlap between dfdmastery.com and other domains — lytrana7x.click, thinkbigshopsmall.org, offrc.com and two more among them.

These name servers tend to appear in combination with the name servers vasilii.ns.cloudflare.com, magdalena.ns.cloudflare.com, nash.ns.cloudflare.com and teresa.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

jason.ns.cloudflare.com resolves to 108.162.193.179, 172.64.33.179, 173.245.59.179 and 3 other IP addresses.

meiling.ns.cloudflare.com resolves to 108.162.194.254, 162.159.38.254, 172.64.34.254 and 3 other IP addresses.

Mail Servers

Mail for dfdmastery.com is handled by a single mail server, _dc-mx.2ef0b4c96cd6.dfdmastery.com.

dfdmastery.com - robtex.com

dfdmastery.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`dfdmastery.com`

`com`