`celfa.vn`

DNSSEC	⚠️ Not signed
A	103.77.162.42^{🇻🇳 SUPERDATA103.77.162.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi}
		PTR	`preston.maychu.cloud`
NS	`david.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b98^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`david.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c198^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`david.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2198^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`david.ns.cloudflare.com`
		A	108.162.193.152^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`david.ns.cloudflare.com`
		A	172.64.33.152^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`david.ns.cloudflare.com`
		A	173.245.59.152^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`david.ns.cloudflare.com`
NS	`evelyn.ns.cloudflare.com`
		A	2606:4700:50::a29f:26d5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`evelyn.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2d5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`evelyn.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22d5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`evelyn.ns.cloudflare.com`
		A	108.162.194.213^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`evelyn.ns.cloudflare.com`
		A	162.159.38.213^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`evelyn.ns.cloudflare.com`
		A	172.64.34.213^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`evelyn.ns.cloudflare.com`
MX	`a.mx.hostvn.email` ⭐
		A	2001:df6:2200:22::9001^{🇻🇳 ECONET-AS-VN2001:df6:2200::/48 ASVTECH-VN}
		A	2001:df6:2200:22::9002^{🇻🇳 ECONET-AS-VN2001:df6:2200::/48 ASVTECH-VN}
		A	103.82.198.184^{🇻🇳 ECONET-AS-VN103.82.198.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi}
			PTR	`a-node01.gw-in.hostvn.email`
		A	103.82.198.185^{🇻🇳 ECONET-AS-VN103.82.198.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi}
			PTR	`a-node02.gw-in.hostvn.email`
		A	125.212.224.185^{🇻🇳 VTDC-AS-VN125.212.224.0/24 VIETTEL-VN}
MX	`b.mx.hostvn.email`⁽⁵⁾
		A	2001:df6:2200:20::9001^{🇻🇳 ECONET-AS-VN2001:df6:2200::/48 ASVTECH-VN}
		A	2001:df6:2200:20::9002^{🇻🇳 ECONET-AS-VN2001:df6:2200::/48 ASVTECH-VN}
		A	2001:df6:2200:22::9999^{🇻🇳 ECONET-AS-VN2001:df6:2200::/48 ASVTECH-VN}
		A	103.82.198.34^{🇻🇳 ECONET-AS-VN103.82.198.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi}
			PTR	`b.gw-in.hostvn.email`
		A	103.157.20.34^{🇻🇳 HOSTVN-VN103.157.20.0/24 GKCOMPANY-VN}
			PTR	`b-node01.gw-in.hostvn.email`
		A	103.157.20.35^{🇻🇳 HOSTVN-VN103.157.20.0/24 GKCOMPANY-VN}
			PTR	`b-node02.gw-in.hostvn.email`
TXT	`v=spf1 mx include:_spf.hostvn.email -all`
SOA	`david.ns.cloudflare.com`dns@cloudflare.com serial=2406811751

`vn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`dns-master.vnnic.vn` ⭐
	NS	`a.dns-servers.vn`
	NS	`b.dns-servers.vn`
	NS	`c.dns-servers.vn`
	NS	`d.dns-servers.vn`
	NS	`e.dns-servers.vn`
	NS	`f.dns-servers.vn`
	NS	`g.dns-servers.vn`
	NS	`h.dns-servers.vn`
	SOA	`dns-master.vnnic.vn`postmaster@vnnic.vn serial=2030967183

Subdomains

ftp.celfa.vn

www.celfa.vn

Same first word

celfa.ch

celfa.vn

celfa.se

celfa.com

Similar names

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cafel.it

elcaf.com

felca.de

cefal.com

lcafe.cz

fleca.nl

calef.cn

aelfc.com

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lcafe.com

elfac.ca

cefla.com.br

fecal.net

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lacef.se

afcel.fr

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cleaf.com.tw

falce.it

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lefca.net

cefla.org

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flace.com

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aelfc.gr

clefa.media

lefac.be

fecal.org

cleaf.nl

falce.com.br

aflec.com

facel.pe

lefca.org

cleaf.com.au

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ecalf.com

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aclef.fr

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cefla.fr

cleaf.house

flace.net

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lcafe.hu

calef.com

cefla.ru

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flace.fr

alcef.org

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acefl.com

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fecal.it

ecafl.net

lefac.net

eflac.de

facel.ru

felca.org

cleaf.eu

cefla.cn

felca.com.br

calef.us

fecal.photography

cleaf.com

ecfla.org

caefl.com

lecaf.co.kr

lafec.org

lface.com

acelf.ca

fleca.com

acelf.com

lecaf.fr

facel.trafficmanager.net

cafel.com

felac.site

cleaf.net

cleaf.jp

alcef.com

fecal.us

flcea.com

felac.org

efcla.org

facel.com.mx

flace.sk

elfac.eu

cafel.org

lface.org

cefla.net

elfac.dk

fcela.cz

fealc.org

facel.com.br

cleaf.be

felca.co

cefla.it

DNS History

5 records (5 active, 0 former)

●NSdavid.ns.cloudflare.com2026-05-01 → 2026-07-06 · 2 obs

● 2026-05-01 08:48:12
● 2026-07-06 14:03:08

●NSevelyn.ns.cloudflare.com2026-05-01 → 2026-07-06 · 2 obs

● 2026-05-01 08:48:12
● 2026-07-06 14:03:08

●MXa.mx.hostvn.email2026-05-01 → 2026-07-06 · 2 obs

● 2026-05-01 08:48:12
● 2026-07-06 14:03:08

●MXb.mx.hostvn.email2026-05-01 → 2026-07-06 · 2 obs

● 2026-05-01 08:48:12
● 2026-07-06 14:03:08

●A103.77.162.422026-05-01 → 2026-07-06 · 2 obs

● 2026-05-01 08:48:12
● 2026-07-06 14:03:08

🔍 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
celfa.vn	david.ns.cloudflare.com, evelyn.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.152

NS records: david.ns.cloudflare.com, evelyn.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for celfa.vn (unsigned zone)

⏱️ Timing

Total: 2127ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.77.162.42`
NS	2	`david.ns.cloudflare.com, evelyn.ns.cloudflare.com`
MX	2	`a.mx.hostvn.email (pri: 1), b.mx.hostvn.email (pri: 5)`
TXT	1	`v=spf1 mx include:_spf.hostvn.email -all`
SOA	1	`david.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 16

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

Analysis

Hierarchy

ftp.celfa.vn and www.celfa.vn are both subdomains of celfa.vn.

IP Addresses

celfa.vn resolves to one IP address: 103.77.162.42.

mail.buytech.vn, mail.bangkeo3m.com, syntaxpd.com and two other host names share IP numbers with celfa.vn.

Name Servers

Two name servers handle the delegation for celfa.vn: david.ns.cloudflare.com and evelyn.ns.cloudflare.com.

celfa.vn uses the same name servers as several other domains — among them ruweda777.live, vylagal.com, tuf23.com and two more.

There is at least partial name server overlap between celfa.vn and other domains — automacao-claude-code-vendas.pages.dev, i9ce.com.br, dopex.nl and two more among them.

The name servers arya.ns.cloudflare.com, leif.ns.cloudflare.com and hassan.ns.cloudflare.com are often found in combination with these name servers.

Hostnames that resolve to 6 IP addresses:

david.ns.cloudflare.com resolves to 108.162.193.152, 172.64.33.152 and 173.245.59.152 among others, with 3 other IP addresses in total.

evelyn.ns.cloudflare.com resolves to 108.162.194.213, 162.159.38.213 and 172.64.34.213 among others, with 3 other IP addresses in total.

Mail Servers

Mail for celfa.vn is handled by two mail servers — a.mx.hostvn.email and b.mx.hostvn.email.

celfa.vn uses an identical mail server configuration to several other domains — among them t-cid.com, hostingvn.com, amazingyou.edu.vn and two more.

celfa.vn has at least partial mail server overlap with other domains such as worlde.com.vn, as63765.net, medicbinhduong.vn and two more.

Hostnames that resolve to 6 IP addresses:

b.mx.hostvn.email resolves to 103.82.198.34, 103.157.20.34 and 103.157.20.35 among others, with 3 other IP addresses in total.

Hostnames pointing to five IP numbers:

a.mx.hostvn.email resolves to four IP addresses: 103.82.198.184, 103.82.198.185, 125.212.224.185 and two others.

celfa.vn - robtex.com

celfa.vn

vn

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`celfa.vn`

`vn`