`xls-expert.com`

DNSSEC	⚠️ Not signed
A	192.168.255.155
NS	`ns1.markmonitor.com` ⭐
		A	2620:10a:80a8::1^{🇨🇦 CIRA-22620:10a:80a8::/48 markmonitor v6 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.160.1^{🇨🇦 CIRA-2149.112.160.0/24 markmonitor v4 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
NS	`ns2.markmonitor.com`
		A	2001:67c:10b8::1^{🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net}
			PTR	`ns2.markmonitor.com`
		A	176.97.158.1^{🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net}
			PTR	`ns2.markmonitor.com`
NS	`ns3.markmonitor.com`
		A	2620:10a:80a9::1^{🇨🇦 CIRA-32620:10a:80a9::/48 markmonitor v6 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.161.1^{🇨🇦 CIRA-3149.112.161.0/24 markmonitor v4 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
NS	`ns4.markmonitor.com`
		A	2001:67c:1bc::1^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD2001:67c:1bc::/48 IPCom-NET Anycast}
			PTR	`ns1.markmonitor.com`
		A	192.174.68.1^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD192.174.68.0/24 NICat-anycast-net}
			PTR	`ns1.markmonitor.com`
NS	`ns5.markmonitor.com`
		A	2620:10a:80a8::2^{🇨🇦 CIRA-22620:10a:80a8::/48 markmonitor v6 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.160.2^{🇨🇦 CIRA-2149.112.160.0/24 markmonitor v4 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
NS	`ns6.markmonitor.com`
		A	2001:67c:10b8::3^{🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net}
			PTR	`ns6.markmonitor.com`
		A	176.97.158.3^{🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net}
			PTR	`ns6.markmonitor.com`
NS	`ns7.markmonitor.com`
		A	2620:10a:80a9::2^{🇨🇦 CIRA-32620:10a:80a9::/48 markmonitor v6 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.161.2^{🇨🇦 CIRA-3149.112.161.0/24 markmonitor v4 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
MX	`mx.mailprotect.be` ⭐
		A	178.208.39.140^{🇧🇪 COMBELL-AS178.208.32.0/19 COMBELL Network}
			PTR	`mx.mailprotect.be`
		A	178.208.39.141^{🇧🇪 COMBELL-AS178.208.32.0/19 COMBELL Network}
			PTR	`mx.mailprotect.be`
		A	178.208.39.142^{🇧🇪 COMBELL-AS178.208.32.0/19 COMBELL Network}
			PTR	`mx.mailprotect.be`
		A	178.208.39.143^{🇧🇪 COMBELL-AS178.208.32.0/19 COMBELL Network}
			PTR	`mx.mailprotect.be`
MX	`mx.backup.mailprotect.be`⁽⁵⁰⁾
		A	178.208.39.140^{🇧🇪 COMBELL-AS178.208.32.0/19 COMBELL Network}
			PTR	`mx.mailprotect.be`
		A	178.208.39.141^{🇧🇪 COMBELL-AS178.208.32.0/19 COMBELL Network}
			PTR	`mx.mailprotect.be`
		A	178.208.39.142^{🇧🇪 COMBELL-AS178.208.32.0/19 COMBELL Network}
			PTR	`mx.mailprotect.be`
		A	178.208.39.143^{🇧🇪 COMBELL-AS178.208.32.0/19 COMBELL Network}
			PTR	`mx.mailprotect.be`
SOA	`ns1.markmonitor.com`hostmaster@markmonitor.com 2026-03-24 #1

`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=1784286607

Subdomains

www.xls-expert.com

Same first word

xls-expert.com

DNS History

14 records (10 active, 4 former)

●NSns1.markmonitor.com2026-03-18 → 2026-07-17 · 3 obs

○ 2018-05-11 06:29:12
● 2026-03-18 07:14:04
● 2026-07-17 11:34:28

○NSns1.register.be2018-05-11 → 2018-05-11 · 3 obs

● 2018-05-11 06:29:12
○ 2026-03-18 07:14:04
○ 2026-07-17 11:34:28

●NSns2.markmonitor.com2026-03-18 → 2026-07-17 · 3 obs

○ 2018-05-11 06:29:12
● 2026-03-18 07:14:04
● 2026-07-17 11:34:28

○NSns2.register.be2018-05-11 → 2018-05-11 · 3 obs

● 2018-05-11 06:29:12
○ 2026-03-18 07:14:04
○ 2026-07-17 11:34:28

●NSns3.markmonitor.com2026-03-18 → 2026-07-17 · 3 obs

○ 2018-05-11 06:29:12
● 2026-03-18 07:14:04
● 2026-07-17 11:34:28

○NSns3.register.be2018-05-11 → 2018-05-11 · 3 obs

● 2018-05-11 06:29:12
○ 2026-03-18 07:14:04
○ 2026-07-17 11:34:28

●NSns4.markmonitor.com2026-03-18 → 2026-07-17 · 3 obs

○ 2018-05-11 06:29:12
● 2026-03-18 07:14:04
● 2026-07-17 11:34:28

●NSns5.markmonitor.com2026-03-18 → 2026-07-17 · 3 obs

○ 2018-05-11 06:29:12
● 2026-03-18 07:14:04
● 2026-07-17 11:34:28

●NSns6.markmonitor.com2026-03-18 → 2026-07-17 · 3 obs

○ 2018-05-11 06:29:12
● 2026-03-18 07:14:04
● 2026-07-17 11:34:28

●NSns7.markmonitor.com2026-03-18 → 2026-07-17 · 3 obs

○ 2018-05-11 06:29:12
● 2026-03-18 07:14:04
● 2026-07-17 11:34:28

●MXmx.backup.mailprotect.be2018-05-11 → 2026-07-17 · 2 obs

● 2018-05-11 06:29:12
● 2026-07-17 11:34:28

●MXmx.mailprotect.be2018-05-11 → 2026-07-17 · 2 obs

● 2018-05-11 06:29:12
● 2026-07-17 11:34:28

○A185.16.237.592018-05-11 → 2026-03-18 · 4 obs

● 2018-05-11 06:29:12
● 2026-03-18 23:40:00
○ 2026-03-27 07:24:26
○ 2026-07-17 11:34:28

●A192.168.255.1552026-03-27 → 2026-07-17 · 3 obs

○ 2026-03-18 23:40:00
● 2026-03-27 07:24:26
● 2026-07-17 11:34:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net...	-
xls-expert.com	ns1.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com, ns5.markmonitor.com...	14 records

✅ Authoritative Response

Server:149.112.161.2

NS records: ns1.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com, ns5.markmonitor.com, ns6.markmonitor.com, ns7.markmonitor.com, ns2.markmonitor.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for xls-expert.com (unsigned zone)

⏱️ Timing

Total: 225ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`192.168.255.155`
NS	7	`ns1.markmonitor.com, ns2.markmonitor.com...`
MX	2	`mx.mailprotect.be (pri: 10), mx.backup.mailprotect.be (pri: 50)`
SOA	1	`ns1.markmonitor.com hostmaster.markmonit`

📌 Glue Records Collected

Total: 14

Out-of-bailiwick: 14 (ns1.markmonitor.com, ns1.markmonitor.com, ns3.markmonitor.com...)

Analysis

Hierarchy

www.xls-expert.com is delegated beneath xls-expert.com.

IP Addresses

xls-expert.com resolves to just one IP address, 192.168.255.155.

Two other host names, along with xl-s.ru, www.arterin.pt and galenco.be, also share IP numbers with xls-expert.com.

Name Servers

xls-expert.com is served by 7 authoritative name servers — among them ns1.markmonitor.com, ns2.markmonitor.com, ns3.markmonitor.com and 4 others.

There is at least partial name server overlap between xls-expert.com and other domains — ecolab.com.ro, btubhub.com, hubspot.com.hk and two more among them.

These name servers tend to appear in combination with the name servers ns4.markmonitor.com, ns5.markmonitor.com, ns6.markmonitor.com and ns7.markmonitor.com.

Host names that have two IP addresses:

ns1.markmonitor.com resolves to two addresses: 149.112.160.1 and 2620:10a:80a8::1.

ns2.markmonitor.com resolves to two addresses: 176.97.158.1 and 2001:67c:10b8::1.

ns3.markmonitor.com resolves to two addresses: 149.112.161.1 and 2620:10a:80a9::1.

ns4.markmonitor.com resolves to two addresses: 192.174.68.1 and 2001:67c:1bc::1.

ns5.markmonitor.com resolves to two addresses: 149.112.160.2 and 2620:10a:80a8::2.

ns6.markmonitor.com resolves to two addresses: 176.97.158.3 and 2001:67c:10b8::3.

ns7.markmonitor.com resolves to two addresses: 149.112.161.2 and 2620:10a:80a9::2.

Mail Servers

xls-expert.com is served by two mail servers, mx.mailprotect.be and mx.backup.mailprotect.be.

Among the domains sharing a mail server setup with xls-expert.com are frbb.nl, vanpoelvoorde.be, maisonvalvert.com and two others.

xls-expert.com and a number of other domains — perrit.be, advanced-marine.be, crcind.eu and onadisc.be among them — share at least some of the same mail servers.