phonghoc.com - dns.ninja

`phonghoc.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:d027^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:fe2^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.15.226^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.208.39^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jean.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a79^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jean.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c079^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jean.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2079^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jean.ns.cloudflare.com`
		A	108.162.192.121^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jean.ns.cloudflare.com`
		A	172.64.32.121^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jean.ns.cloudflare.com`
		A	173.245.58.121^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jean.ns.cloudflare.com`
NS	`woz.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b96^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`woz.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c196^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`woz.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2196^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`woz.ns.cloudflare.com`
		A	108.162.193.150^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`woz.ns.cloudflare.com`
		A	172.64.33.150^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`woz.ns.cloudflare.com`
		A	173.245.59.150^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`woz.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c21::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pe-in-f26.1e100.net`
		A	172.253.115.27^{🇺🇸 Google172.253.115.0/24}
			PTR	`bg-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
TXT	`google-site-verification=Zf2VjAk_bJvJ-hNWxxvyqKL71orVIbhbPhvAYtnDqYE`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.15.226, 172.67.208.39
		IPv6 hints	2606:4700:3030::ac43:d027, 2606:4700:3033::6815:fe2
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=76, name=cloudflare-ech.com
SOA	`jean.ns.cloudflare.com`dns@cloudflare.com serial=2411661029

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1786489609

Same first word

phonghoc.com

phonghoc.edu.vn

Similar names

hopchong.com

DNS History

14 records (9 active, 5 former)

●NSjean.ns.cloudflare.com2026-02-22 → 2026-08-11 · 3 obs

○ 2017-02-09 01:47:46
● 2026-02-22 22:02:04
● 2026-08-11 23:24:24

○NSns1.voodoo.com2015-07-10 → 2017-02-09 · 4 obs

● 2015-07-10 19:21:54
● 2017-02-09 01:47:46
○ 2026-02-22 22:02:04
○ 2026-08-11 23:24:24

○NSns2.voodoo.com2015-07-10 → 2017-02-09 · 4 obs

● 2015-07-10 19:21:54
● 2017-02-09 01:47:46
○ 2026-02-22 22:02:04
○ 2026-08-11 23:24:24

●NSwoz.ns.cloudflare.com2026-02-22 → 2026-08-11 · 3 obs

○ 2017-02-09 01:47:46
● 2026-02-22 22:02:04
● 2026-08-11 23:24:24

●MXalt1.aspmx.l.google.com2026-02-22 → 2026-08-11 · 2 obs

● 2026-02-22 22:02:04
● 2026-08-11 23:24:24

●MXalt2.aspmx.l.google.com2026-02-22 → 2026-08-11 · 2 obs

● 2026-02-22 22:02:04
● 2026-08-11 23:24:24

●MXaspmx.l.google.com2026-02-22 → 2026-08-11 · 2 obs

● 2026-02-22 22:02:04
● 2026-08-11 23:24:24

●A104.21.15.2262026-07-23 → 2026-08-11 · 3 obs

○ 2026-05-01 17:02:48
● 2026-07-23 19:18:22
● 2026-08-11 23:24:24

○A128.199.70.62018-07-29 → 2018-07-29 · 4 obs

○ 2017-02-09 01:47:46
● 2018-07-29 18:35:38
○ 2026-02-22 22:02:04
○ 2026-08-11 23:24:24

●A172.67.208.392026-07-23 → 2026-08-11 · 3 obs

○ 2026-05-01 17:02:48
● 2026-07-23 19:18:22
● 2026-08-11 23:24:24

○A192.64.147.1742015-07-10 → 2017-02-09 · 4 obs

● 2015-07-10 19:21:54
● 2017-02-09 01:47:46
○ 2018-07-29 18:35:38
○ 2026-08-11 23:24:24

●A2606:4700:3030::ac43:d0272026-07-23 → 2026-08-11 · 3 obs

○ 2026-05-01 17:02:48
● 2026-07-23 19:18:22
● 2026-08-11 23:24:24

●A2606:4700:3033::6815:fe22026-07-23 → 2026-08-11 · 3 obs

○ 2026-05-01 17:02:48
● 2026-07-23 19:18:22
● 2026-08-11 23:24:24

○A51.79.169.1492026-02-22 → 2026-05-01 · 5 obs

○ 2018-07-29 18:35:38
● 2026-02-22 22:02:04
● 2026-05-01 17:02:48
○ 2026-07-23 19:18:22
○ 2026-08-11 23:24:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
phonghoc.com	jean.ns.cloudflare.com, woz.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.121

NS records: jean.ns.cloudflare.com, woz.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for phonghoc.com (unsigned zone)

⏱️ Timing

Total: 171ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.208.39, 104.21.15.226`
AAAA	2	`2606:4700:3030::ac43:d027, 2606:4700:3033::6815:fe2`
NS	2	`jean.ns.cloudflare.com, woz.ns.cloudflare.com`
MX	3	`aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)...`
TXT	2	`google-site-verification=Zf2VjAk_bJvJ-hN, v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jean.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

phonghoc.com directs to four IP numbers, which are 104.21.15.226, 172.67.208.39, 2606:4700:3030::ac43:d027 and 2606:4700:3033::6815:fe2.

figads.in, smtpservices.com, ns3.nokiainfo.pl and two other host names share IP numbers with phonghoc.com.

Name Servers

phonghoc.com has two authoritative name servers — jean.ns.cloudflare.com and woz.ns.cloudflare.com.

phonghoc.com uses the same name servers as several other domains — among them jasminemodi.com, anihq.com, nu.my and two more.

At least some of phonghoc.com's name servers are shared with other domains, for example clubvillerssurmer.fr, curlycarrot.com, iesricardoortega.es and two more.

These name servers tend to be used in conjunction with the name servers ben.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

jean.ns.cloudflare.com points to 108.162.192.121, 172.64.32.121, 173.245.58.121 and 3 other IP addresses.

woz.ns.cloudflare.com points to 108.162.193.150, 172.64.33.150, 173.245.59.150 and 3 other IP addresses.

Mail Servers

The MX records for phonghoc.com list three mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

phonghoc.com has at least partial mail server overlap with other domains such as stellenboschratepayers.org, thepilot.com, ns500821.ns500841.ns500821.ns500794.ns500841.ns500841.ns500795.ns500795.ns500794.ns500794.ns500821.ns500790.lustypartnersfinder.com and two more.

The mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are commonly seen alongside these mail servers.

Each of aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com points to two IP numbers. aspmx.l.google.com points to 172.253.115.27 and 2607:f8b0:4004:c21::1a. alt1.aspmx.l.google.com points to 192.178.234.27 and 2800:3f0:4003:c14::1b. alt2.aspmx.l.google.com points to 172.253.116.26 and 2a00:1450:400b:c02::1a.