`mail.simdulich.org`

DNSSEC	⚠️ Not signed
A	103.82.21.162^{🇻🇳 VNPT-AS-VN103.82.20.0/22 INETACADEMY-AS-VN}
		PTR	`mail.simdulich.org`

`simdulich.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:b7af^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:4076^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.64.118^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.183.175^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bjorn.ns.cloudflare.com` ⭐
NS	`liberty.ns.cloudflare.com`
MX	`mail.simdulich.org` ⭐
TXT	`v=spf1 +a +mx -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.64.118, 172.67.183.175
		IPv6 hints	2606:4700:3035::ac43:b7af, 2606:4700:3037::6815:4076
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=224, name=cloudflare-ech.com
SOA	`bjorn.ns.cloudflare.com`dns@cloudflare.com serial=2402280574

PTR for

162.21.82.103.in-addr.arpa

MX for

simdulich.org

Same first word

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DNS History

1 record (1 active, 0 former)

●A103.82.21.1622026-05-06 → 2026-05-09 · 2 obs

● 2026-05-06 04:28:28
● 2026-05-09 04:56:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	d0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org	-
simdulich.org	liberty.ns.cloudflare.com, bjorn.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.98

NS records: liberty.ns.cloudflare.com, bjorn.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simdulich.org (unsigned zone)

⏱️ Timing

Total: 394ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.82.21.162`

Analysis

Mail Server Role

The mail server for simdulich.org is mail.simdulich.org.

IP Addresses

mail.simdulich.org points to a single IP number: 103.82.21.162.

Other host names such as mvp.com.vn and mail.nhipsongkinhte.com share IP numbers with mail.simdulich.org.

mail.simdulich.org - robtex.com