`mail.opensdn.io`

DNSSEC	⚠️ Not signed
A	45.121.60.167^{🇹🇭 NIPA-AS-TH45.121.60.0/24 NIPA Technology Co., Ltd 72 CAT Telecom Tower, 4th fl., Suite 401-402 Charoen Krung Road, Bangrak}
		PTR	`rdnx-60.121.45.ispio.com`

`opensdn.io`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:219f^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:a4c8^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.33.159^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.164.200^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jobs.ns.cloudflare.com` ⭐
NS	`kiki.ns.cloudflare.com`
MX	`mail.opensdn.io` ⭐
TXT	`MS=ms94399331`
TXT	`v=spf1 a mx ip4:45.121.60.167 ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.33.159, 172.67.164.200
		IPv6 hints	2606:4700:3034::6815:219f, 2606:4700:3036::ac43:a4c8
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=207, name=cloudflare-ech.com
SOA	`jobs.ns.cloudflare.com`dns@cloudflare.com serial=2404461703

MX for

opensdn.io

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DNS History

1 record (1 active, 0 former)

●A45.121.60.1672026-05-29 → 2026-06-18 · 2 obs

● 2026-05-29 15:12:18
● 2026-06-18 12:04:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
io	a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io	-
opensdn.io	jobs.ns.cloudflare.com, kiki.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.180

NS records: jobs.ns.cloudflare.com, kiki.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opensdn.io (unsigned zone)

⏱️ Timing

Total: 273ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`45.121.60.167`

Analysis

Mail Server Role

The mail server mail.opensdn.io processes email for opensdn.io.

IP Addresses

mail.opensdn.io resolves to just one IP address, 45.121.60.167.

Other hosts including mail.radianceskinclinic.com, radianceskinclinic.com and ns10.nipa.co.th share IP addresses with mail.opensdn.io.

mail.opensdn.io - robtex.com

mail.opensdn.io

opensdn.io