`fcolombo.com`

DNSSEC	⚠️ Not signed
A	203.91.74.128^{🇭🇰 AS400619203.91.74.0/24 LANLIAN INTERNATIONAL HOLDING GROUP LIMITED OFFICE 1002A, 10/F GINZA SQUARE 567 NATHAN RD KLN}
NS	`a6.share-dns.com` ⭐ ⚠️ Not in parent delegation
		A	172.64.53.25^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`a.share-dns.com` ⚠️ Not in zone NS records
		A	172.64.53.25^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`b.share-dns.net` ⚠️ Not in zone NS records
		A	172.64.52.239^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`b6.share-dns.net` ⚠️ Not in parent delegation
		A	172.64.52.239^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`a.share-dns.com`master@share-dns.com serial=1773920360

`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=1774394827

Subdomains

mxav2.fcolombo.com

Same first word

fcolombo.com

fcolombo.it

DNS History

9 records (5 active, 4 former)

●NSa.share-dns.com2026-03-23 → 2026-03-24 · 3 obs

○ 2020-01-10 08:09:02
● 2026-03-23 10:20:46
● 2026-03-24 23:43:42

●NSa6.share-dns.com2026-03-23 → 2026-03-24 · 3 obs

○ 2020-01-10 08:09:02
● 2026-03-23 10:20:46
● 2026-03-24 23:43:42

●NSb.share-dns.net2026-03-23 → 2026-03-24 · 3 obs

○ 2020-01-10 08:09:02
● 2026-03-23 10:20:46
● 2026-03-24 23:43:42

●NSb6.share-dns.net2026-03-23 → 2026-03-24 · 3 obs

○ 2020-01-10 08:09:02
● 2026-03-23 10:20:46
● 2026-03-24 23:43:42

○NSns1.amenworld.com2015-06-24 → 2020-01-10 · 4 obs

● 2015-06-24 21:48:32
● 2020-01-10 08:09:02
○ 2026-03-23 10:20:46
○ 2026-03-24 23:43:42

○NSns2.amenworld.com2015-06-24 → 2020-01-10 · 4 obs

● 2015-06-24 21:48:32
● 2020-01-10 08:09:02
○ 2026-03-23 10:20:46
○ 2026-03-24 23:43:42

○MXmail-fr.securemail.pro2015-06-24 → 2020-01-10 · 4 obs

● 2015-06-24 21:48:32
● 2020-01-10 08:09:02
○ 2026-03-23 10:20:46
○ 2026-03-24 23:43:42

●A203.91.74.1282026-03-23 → 2026-03-24 · 3 obs

○ 2020-01-10 08:09:02
● 2026-03-23 10:20:46
● 2026-03-24 23:43:42

○A81.88.48.952015-06-24 → 2020-01-10 · 4 obs

● 2015-06-24 21:48:32
● 2020-01-10 08:09:02
○ 2026-03-23 10:20:46
○ 2026-03-24 23:43:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
fcolombo.com	b6.share-dns.net, a6.share-dns.com	1 record

✅ Authoritative Response

Server:172.64.53.25

NS records: b6.share-dns.net, a6.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fcolombo.com (unsigned zone)

⏱️ Timing

Total: 2921ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`203.91.74.128`
NS	2	`a.share-dns.com, b.share-dns.net`
SOA	1	`a.share-dns.com master.share-dns.com`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (a6.share-dns.com)

Analysis

Hierarchy

The parent of mxav2.fcolombo.com is fcolombo.com.

IP Addresses

fcolombo.com points to IP number: 203.91.74.128.

Other host names such as edomode.com, mxav2.fcolombo.com and undefined.edomode.com share IP numbers with fcolombo.com.

Name Servers

fcolombo.com is delegated to four name servers: a6.share-dns.com, a.share-dns.com, b6.share-dns.net and b.share-dns.net.

fcolombo.com at least partially shares name servers with other domains, for instance cineclubeolhao.com, 6699x.com, zhjunjia.com, hnylgq.com and zhenbaohuahui.com.