`api.hrmonline.vn`

	DNSSEC	⚠️ Not signed
	A	103.17.140.44^{🇻🇳 HANOITELECOM-AS-VN103.17.140.0/23 HICLOUDHN-VN}

`hrmonline.vn`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:743^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:bb8a^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.7.67^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.187.138^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dolly.ns.cloudflare.com` ⭐
NS	`sid.ns.cloudflare.com`
MX	`isaac.mx.cloudflare.net` ⭐
MX	`linda.mx.cloudflare.net`⁽⁴²⁾
MX	`amir.mx.cloudflare.net`⁽⁶⁸⁾
TXT	`ca3-a21c5b6213ac441eb6b194926d930386`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.7.67, 172.67.187.138
		IPv6 hints	2606:4700:3030::6815:743, 2606:4700:3033::ac43:bb8a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=58, name=cloudflare-ech.com
SOA	`dolly.ns.cloudflare.com`dns@cloudflare.com serial=2411367625

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DNS History

1 record (1 active, 0 former)

●A103.17.140.442026-05-01 → 2026-08-10 · 2 obs

● 2026-05-01 13:46:16
● 2026-08-10 09:48:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	16 records
hrmonline.vn	sid.ns.cloudflare.com, dolly.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.98

NS records: sid.ns.cloudflare.com, dolly.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hrmonline.vn (unsigned zone)

⏱️ Timing

Total: 1424ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.17.140.44`

📌 Glue Records Collected

Total: 16

In-bailiwick: 16 (a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn...)

Analysis

IP Addresses

api.hrmonline.vn resolves to just one IP address, 103.17.140.44.

Two other host names, along with bvtn-portal.hrmonline.vn, dkkb-bvtn.hrmonline.vn and admin.hrmonline.vn, also share IP numbers with api.hrmonline.vn.

api.hrmonline.vn - robtex.com

api.hrmonline.vn

hrmonline.vn