`mail.mastos.com`

DNSSEC	⚠️ Not signed
A	65.21.95.249^{🇫🇮 Hetzner65.21.0.0/16 HETZNER-DC}
		PTR	`static.249.95.21.65.in-addr.arpa`

`mastos.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:312e^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:9ed2^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.49.46^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.158.210^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ian.ns.cloudflare.com` ⭐
NS	`naomi.ns.cloudflare.com`
MX	`mail.mastos.com` ⭐
TXT	`a23bc3b6ddafee2b062c2d8fdca8ea7f2d5a1ed6`
TXT	`v=spf1 a mx a:mastos.com ip4:65.21.95.249 ip4:65.21.95.249 ip6:2a01:4f9:3b:48...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.49.46, 172.67.158.210
		IPv6 hints	2606:4700:3032::6815:312e, 2606:4700:3037::ac43:9ed2
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=174, name=cloudflare-ech.com
SOA	`ian.ns.cloudflare.com`dns@cloudflare.com serial=2401288778

MX for

mastos.com

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DNS History

4 records (1 active, 3 former)

○A135.181.57.1222026-02-18 → 2026-04-14 · 2 obs

○ 2026-02-18 03:50:58
○ 2026-04-14 11:42:10

○A144.76.92.1192015-04-19 → 2015-04-19 · 3 obs

● 2015-04-19 02:16:32
○ 2015-10-13 09:43:10
○ 2026-04-14 11:42:10

○A50.30.38.2232015-10-13 → 2016-07-12 · 5 obs

○ 2015-04-19 02:16:32
● 2015-10-13 09:43:10
● 2016-07-12 14:45:52
○ 2026-02-18 03:50:58
○ 2026-04-14 11:42:10

●A65.21.95.2492026-02-18 → 2026-04-14 · 3 obs

○ 2016-07-12 14:45:52
● 2026-02-18 03:50:58
● 2026-04-14 11:42:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, g.gtld-servers.net, c.gtld-servers.net, f.gtld-servers.net...	-
mastos.com	ian.ns.cloudflare.com, naomi.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.118

NS records: ian.ns.cloudflare.com, naomi.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mastos.com (unsigned zone)

⏱️ Timing

Total: 197ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`65.21.95.249`

📌 Glue Records Collected

Total: 12

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

Analysis

Mail Server Role

mail.mastos.com functions as a mail server for mastos.com.

IP Addresses

mail.mastos.com resolves to one IP number: 65.21.95.249.

other host names including mail.ypyp.com, mail.spot.gr, mail.bottomsbook.com, mail.coupongate.com and mail.lessons.cn share IP numbers with mail.mastos.com.

mail.mastos.com - robtex.com

mail.mastos.com

mastos.com