`mailserver.preloading.dev`

	DNSSEC	⚠️ Not signed
	A	2604:3d09:6e81:c900::10^{🇨🇦 ASN-SHAW2604:3d09:6000::/36}
	A	50.65.201.220^{🇨🇦 ASN-SHAW50.65.200.0/22}

`preloading.dev`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3033::6815:5013^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:ad13^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.80.19^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.173.19^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`duke.ns.cloudflare.com` ⭐
NS	`nancy.ns.cloudflare.com`
MX	`mailserver.preloading.dev` ⭐
TXT	`google-site-verification=zwVPgJcIl73n_NhnvG6t6QiC8BEs7vBEWeguiPbhhgU`
TXT	`mailconf=https://autoconfig.preloading.dev/mail/config-v1.1.xml`
TXT	`v=spf1 include:mailgun.org mx ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.80.19, 172.67.173.19
		IPv6 hints	2606:4700:3033::6815:5013, 2606:4700:3033::ac43:ad13
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=130, name=cloudflare-ech.com
SOA	`duke.ns.cloudflare.com`dns@cloudflare.com serial=2411743717

MX for

preloading.dev

Same first word

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mailserver.name

mailserver.s3.nl-ams.scw.cloud

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Similar names

DNS History

2 records (2 active, 0 former)

●A2604:3d09:6e81:c900::102026-08-12 → 2026-08-13 · 3 obs

○ 2026-05-14 02:53:08
● 2026-08-12 16:59:10
● 2026-08-13 14:20:46

●A50.65.201.2202026-05-14 → 2026-08-13 · 2 obs

● 2026-05-14 02:53:08
● 2026-08-13 14:20:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
preloading.dev	duke.ns.cloudflare.com, nancy.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.110

NS records: duke.ns.cloudflare.com, nancy.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 671ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`50.65.201.220`
AAAA	1	`2604:3d09:6e81:c900::10`

Analysis

Mail Server Role

mailserver.preloading.dev serves as a mail server for preloading.dev.

IP Addresses

mailserver.preloading.dev resolves to the IP addresses 50.65.201.220 and 2604:3d09:6e81:c900::10

mailserver.preloading.dev - dns.ninja