mail.mastermit.com - dns.ninja

`mail.mastermit.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:2ee8^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:8f24^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.46.232^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.143.36^{🇺🇸 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	104.21.46.232, 172.67.143.36
		IPv6 hints	2606:4700:3030::6815:2ee8, 2606:4700:3032::ac43:8f24
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=57, name=cloudflare-ech.com

`mastermit.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:2ee8^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:8f24^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.46.232^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.143.36^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`adi.ns.cloudflare.com` ⭐
NS	`sullivan.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
TXT	`google-site-verification=93ZZIvjhFYeGfNNGeh05DKKTMjISbu-MEyNfNUYbYdg`
TXT	`google-site-verification=GACOboFzzbuUj6mwqvZGg0O7yZI-pARW8ioy7lbXNNY`
TXT	`google-site-verification=SkmQpL8lYLlIXFsZZtAuZj3ETWsnduYhNq0GXn2MYR0`
TXT	`google-site-verification=lLujbF4Suyd18gyAQnn9Bdv6ji9qYU4XalzRQ43yVPw`
TXT	`v=spf1 include:_spf.google.com +mx ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.46.232, 172.67.143.36
		IPv6 hints	2606:4700:3030::6815:2ee8, 2606:4700:3032::ac43:8f24
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=57, name=cloudflare-ech.com
SOA	`adi.ns.cloudflare.com`dns@cloudflare.com serial=2407776393

Previously MX for

mastermit.com

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DNS History

10 records (4 active, 6 former)

●A104.21.46.2322026-02-26 → 2026-06-30 · 11 obs

○ 2017-01-14 20:51:00
● 2026-02-26 15:37:28
● 2026-02-26 17:04:08
○ 2026-03-09 08:51:08
● 2026-03-12 16:38:24
○ 2026-03-18 06:38:14
● 2026-03-23 14:35:44
● 2026-03-28 03:27:58
○ 2026-04-03 14:07:14
● 2026-06-30 01:52:10
● 2026-06-30 01:52:12

●A172.67.143.362026-02-26 → 2026-06-30 · 11 obs

○A185.18.52.612015-08-07 → 2016-03-06 · 4 obs

● 2015-08-07 05:41:28
● 2016-03-06 09:19:22
○ 2016-07-07 05:08:40
○ 2026-06-30 01:52:12

○A188.114.96.02026-03-09 → 2026-04-03 · 9 obs

○ 2026-02-26 17:04:08
● 2026-03-09 08:51:08
○ 2026-03-12 16:38:24
● 2026-03-18 06:38:14
○ 2026-03-23 14:35:44
○ 2026-03-28 03:27:58
● 2026-04-03 14:07:14
○ 2026-06-30 01:52:10
○ 2026-06-30 01:52:12

○A188.114.97.02026-03-09 → 2026-04-03 · 9 obs

●A2606:4700:3030::6815:2ee82026-02-26 → 2026-06-30 · 11 obs

●A2606:4700:3032::ac43:8f242026-02-26 → 2026-06-30 · 11 obs

○A2a06:98c1:3120::2026-03-09 → 2026-04-03 · 9 obs

○A2a06:98c1:3121::2026-03-09 → 2026-04-03 · 9 obs

○A5.187.1.1022016-07-07 → 2017-01-14 · 5 obs

○ 2016-03-06 09:19:22
● 2016-07-07 05:08:40
● 2017-01-14 20:51:00
○ 2026-02-26 15:37:28
○ 2026-06-30 01:52:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
mastermit.com	adi.ns.cloudflare.com, sullivan.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.56

NS records: adi.ns.cloudflare.com, sullivan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mastermit.com (unsigned zone)

⏱️ Timing

Total: 1328ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.46.232, 172.67.143.36`
AAAA	2	`2606:4700:3030::6815:2ee8, 2606:4700:3032::ac43:8f24`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.mastermit.com has four IP addresses: 104.21.46.232, 172.67.143.36, 2606:4700:3030::6815:2ee8 and 2606:4700:3032::ac43:8f24.

Additional host names — www.netsia.it, figjamcaregivers.com, adsclk.com and two others — share IP numbers with mail.mastermit.com.