`mathcomputers.be`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::ac43:c7b7^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:3218^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.50.24^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.199.183^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kay.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a7d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kay.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c07d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kay.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:207d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kay.ns.cloudflare.com`
		A	108.162.192.125^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.32.125^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.58.125^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`yew.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c50^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yew.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c350^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`yew.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2350^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`yew.ns.cloudflare.com`
		A	108.162.195.80^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.44.80^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.35.80^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mathcomputers-be.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::9^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00601.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::c^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::f^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00507.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::f^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00307.inbound.protection.outlook.com`
		A	52.101.68.36^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
		A	52.101.73.6^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
		A	52.101.73.12^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
		A	52.101.73.15^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
TXT	`MS=8AB3BABEC3888D2431B768311A5DDCA324368E3A`
TXT	`v=spf1 a mx ip4:185.182.59.45 a:spf.spamexperts.axc.nl include:_spf.google.co...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.50.24, 172.67.199.183
		IPv6 hints	2606:4700:3036::ac43:c7b7, 2606:4700:3037::6815:3218
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=247, name=cloudflare-ech.com
SOA	`kay.ns.cloudflare.com`dns@cloudflare.com serial=2410197474

`be`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nsset.be` ⭐
	NS	`b.nsset.be`
	NS	`c.nsset.be`
	NS	`d.nsset.be`
	NS	`y.nsset.be`
	NS	`z.nsset.be`
	SOA	`a.nsset.be`be-hostmaster@dnsbelgium.be serial=1028254465

Subdomains

vps.mathcomputers.be

Same first word

mathcomputers.be

DNS History

24 records (7 active, 17 former)

●NSkay.ns.cloudflare.com2026-03-06 → 2026-07-22 · 3 obs

○ 2017-04-07 21:20:02
● 2026-03-06 00:04:14
● 2026-07-22 22:38:10

○NSns1.priorweb.be2015-06-16 → 2016-09-16 · 4 obs

● 2015-06-16 08:28:42
● 2016-09-16 08:04:36
○ 2017-04-07 21:20:02
○ 2026-07-22 22:38:10

○NSns1.x-web.be2017-04-07 → 2017-04-07 · 4 obs

○ 2016-09-16 08:04:36
● 2017-04-07 21:20:02
○ 2026-03-06 00:04:14
○ 2026-07-22 22:38:10

○NSns2.priorweb.be2015-06-16 → 2016-09-16 · 4 obs

● 2015-06-16 08:28:42
● 2016-09-16 08:04:36
○ 2017-04-07 21:20:02
○ 2026-07-22 22:38:10

○NSns2.x-web.be2017-04-07 → 2017-04-07 · 4 obs

○ 2016-09-16 08:04:36
● 2017-04-07 21:20:02
○ 2026-03-06 00:04:14
○ 2026-07-22 22:38:10

○NSns3.priorweb.be2015-06-16 → 2016-09-16 · 4 obs

● 2015-06-16 08:28:42
● 2016-09-16 08:04:36
○ 2017-04-07 21:20:02
○ 2026-07-22 22:38:10

●NSyew.ns.cloudflare.com2026-03-06 → 2026-07-22 · 3 obs

○ 2017-04-07 21:20:02
● 2026-03-06 00:04:14
● 2026-07-22 22:38:10

○MXalt1.aspmx.l.google.com2017-04-07 → 2017-04-07 · 4 obs

○ 2016-09-16 08:04:36
● 2017-04-07 21:20:02
○ 2026-03-06 00:04:14
○ 2026-07-22 22:38:10

○MXalt2.aspmx.l.google.com2017-04-07 → 2017-04-07 · 4 obs

○ 2016-09-16 08:04:36
● 2017-04-07 21:20:02
○ 2026-03-06 00:04:14
○ 2026-07-22 22:38:10

○MXalt3.aspmx.l.google.com2017-04-07 → 2017-04-07 · 4 obs

○ 2016-09-16 08:04:36
● 2017-04-07 21:20:02
○ 2026-03-06 00:04:14
○ 2026-07-22 22:38:10

○MXalt4.aspmx.l.google.com2017-04-07 → 2017-04-07 · 4 obs

○ 2016-09-16 08:04:36
● 2017-04-07 21:20:02
○ 2026-03-06 00:04:14
○ 2026-07-22 22:38:10

○MXaspmx.l.google.com2017-04-07 → 2017-04-07 · 4 obs

○ 2016-09-16 08:04:36
● 2017-04-07 21:20:02
○ 2026-03-06 00:04:14
○ 2026-07-22 22:38:10

●MXmathcomputers-be.mail.protection.outlook.com2026-03-06 → 2026-07-22 · 3 obs

○ 2017-04-07 21:20:02
● 2026-03-06 00:04:14
● 2026-07-22 22:38:10

○MXmx10.priorweb.be2015-06-16 → 2016-09-16 · 4 obs

● 2015-06-16 08:28:42
● 2016-09-16 08:04:36
○ 2017-04-07 21:20:02
○ 2026-07-22 22:38:10

○MXmx20.priorweb.be2015-06-16 → 2016-09-16 · 4 obs

● 2015-06-16 08:28:42
● 2016-09-16 08:04:36
○ 2017-04-07 21:20:02
○ 2026-07-22 22:38:10

○MXmx30.priorweb.be2015-06-16 → 2016-09-16 · 4 obs

● 2015-06-16 08:28:42
● 2016-09-16 08:04:36
○ 2017-04-07 21:20:02
○ 2026-07-22 22:38:10

●A104.21.50.242026-03-06 → 2026-07-22 · 3 obs

○ 2017-04-07 21:20:02
● 2026-03-06 00:04:14
● 2026-07-22 22:38:10

●A172.67.199.1832026-03-06 → 2026-07-22 · 3 obs

○ 2017-04-07 21:20:02
● 2026-03-06 00:04:14
● 2026-07-22 22:38:10

○A2606:4700:3034::ac43:c7b72026-03-06 → 2026-03-06 · 3 obs

○ 2017-04-07 21:20:02
● 2026-03-06 00:04:14
○ 2026-07-22 22:38:10

○A2606:4700:3035::6815:32182026-03-06 → 2026-03-06 · 3 obs

○ 2017-04-07 21:20:02
● 2026-03-06 00:04:14
○ 2026-07-22 22:38:10

●A2606:4700:3036::ac43:c7b72026-07-22 → 2026-07-22 · 2 obs

○ 2026-03-06 00:04:14
● 2026-07-22 22:38:10

●A2606:4700:3037::6815:32182026-07-22 → 2026-07-22 · 2 obs

○ 2026-03-06 00:04:14
● 2026-07-22 22:38:10

○A46.21.172.582017-04-07 → 2017-04-07 · 4 obs

○ 2016-09-16 08:04:36
● 2017-04-07 21:20:02
○ 2026-03-06 00:04:14
○ 2026-07-22 22:38:10

○A62.182.63.402015-06-16 → 2016-09-16 · 4 obs

● 2015-06-16 08:28:42
● 2016-09-16 08:04:36
○ 2017-04-07 21:20:02
○ 2026-07-22 22:38:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
be	d.nsset.be, b.nsset.be, z.nsset.be, c.nsset.be...	-
mathcomputers.be	yew.ns.cloudflare.com, kay.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.80

NS records: yew.ns.cloudflare.com, kay.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathcomputers.be (unsigned zone)

⏱️ Timing

Total: 781ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.199.183, 104.21.50.24`
AAAA	2	`2606:4700:3037::6815:3218, 2606:4700:3036::ac43:c7b7`
NS	2	`kay.ns.cloudflare.com, yew.ns.cloudflare.com`
MX	1	`mathcomputers-be.mail.protection.outlook`
TXT	2	`MS=8AB3BABEC3888D2431B768311A5DDCA324368, v=spf1 a mx ip4:185.182.59.45 a:spf.spam`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`kay.ns.cloudflare.com dns.cloudflare.com`

Analysis

Hierarchy

mathcomputers.be is a parent domain of vps.mathcomputers.be.

IP Addresses

mathcomputers.be resolves to four IP addresses: 104.21.50.24, 172.67.199.183, 2606:4700:3036::ac43:c7b7 and 2606:4700:3037::6815:3218.

Additional host names — joannaregan4480.bcz.com, *.martsz9590.bcz.com, goodseosho.bcz.com and two others — share IP numbers with mathcomputers.be.

Name Servers

DNS delegation for mathcomputers.be points to two name servers: kay.ns.cloudflare.com and yew.ns.cloudflare.com.

mathcomputers.be shares its name server setup with other domains, including garfunkels.co.zw, diewuselmaeuse.de, stream-leak.com and two others.

mathcomputers.be shares at least some of its name servers with other domains, including grupoupbrasil.com.br, tempvs.club, crowdstrike.com.mx and two others.

These name servers are frequently paired with the name servers julissa.ns.cloudflare.com, trevor.ns.cloudflare.com and eric.ns.cloudflare.com.

Host names with 6 IP numbers:

kay.ns.cloudflare.com has IP addresses 108.162.192.125, 172.64.32.125 and 173.245.58.125, plus 3 other.

yew.ns.cloudflare.com has IP addresses 108.162.195.80, 162.159.44.80 and 172.64.35.80, plus 3 other.

Mail Servers

mathcomputers.be has one mail server: mathcomputers-be.mail.protection.outlook.com.

mathcomputers-be.mail.protection.outlook.com points to 8 IP numbers: 52.101.68.36, 52.101.73.6, 52.101.73.12 and 5 other.

mathcomputers.be - robtex.com