`slabcalc.co`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:e1f^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:9dac^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.14.31^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.157.172^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bowen.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c53^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bowen.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c353^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bowen.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2353^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bowen.ns.cloudflare.com`
		A	108.162.195.83^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bowen.ns.cloudflare.com`
		A	162.159.44.83^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bowen.ns.cloudflare.com`
		A	172.64.35.83^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bowen.ns.cloudflare.com`
NS	`laylah.ns.cloudflare.com`
		A	2606:4700:50::a29f:26e6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laylah.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2e6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`laylah.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22e6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`laylah.ns.cloudflare.com`
		A	108.162.194.230^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laylah.ns.cloudflare.com`
		A	162.159.38.230^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laylah.ns.cloudflare.com`
		A	172.64.34.230^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laylah.ns.cloudflare.com`
MX	`route2.mx.cloudflare.net` ⭐
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁸⁵⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽¹⁰⁰⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
TXT	`google-site-verification=PSZv_NEFDvYT5I9gqsnx2dtXeKV2XDo_4cglRIpopaw`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.14.31, 172.67.157.172
		IPv6 hints	2606:4700:3032::6815:e1f, 2606:4700:3032::ac43:9dac
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=228, name=cloudflare-ech.com
SOA	`bowen.ns.cloudflare.com`dns@cloudflare.com serial=2410795221

`co`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`a.registrydns.co`
	NS	`b.registrydns.co`
	NS	`c.registrydns.co`
	NS	`d.registrydns.co`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=1759721264

Same first word

slabcalc.co

DNS History

13 records (9 active, 4 former)

●NSbowen.ns.cloudflare.com2026-07-13 → 2026-07-31 · 2 obs

● 2026-07-13 09:22:16
● 2026-07-31 14:40:34

●NSlaylah.ns.cloudflare.com2026-07-13 → 2026-07-31 · 2 obs

● 2026-07-13 09:22:16
● 2026-07-31 14:40:34

●MXroute1.mx.cloudflare.net2026-07-13 → 2026-07-31 · 2 obs

● 2026-07-13 09:22:16
● 2026-07-31 14:40:34

●MXroute2.mx.cloudflare.net2026-07-13 → 2026-07-31 · 2 obs

● 2026-07-13 09:22:16
● 2026-07-31 14:40:34

●MXroute3.mx.cloudflare.net2026-07-13 → 2026-07-31 · 2 obs

● 2026-07-13 09:22:16
● 2026-07-31 14:40:34

●A104.21.14.312026-07-31 → 2026-07-31 · 2 obs

○ 2026-07-13 09:22:16
● 2026-07-31 14:40:34

●A172.67.157.1722026-07-31 → 2026-07-31 · 2 obs

○ 2026-07-13 09:22:16
● 2026-07-31 14:40:34

○A188.114.96.02026-07-13 → 2026-07-13 · 2 obs

● 2026-07-13 09:22:16
○ 2026-07-31 14:40:34

○A188.114.97.02026-07-13 → 2026-07-13 · 2 obs

● 2026-07-13 09:22:16
○ 2026-07-31 14:40:34

●A2606:4700:3032::6815:e1f2026-07-31 → 2026-07-31 · 2 obs

○ 2026-07-13 09:22:16
● 2026-07-31 14:40:34

●A2606:4700:3032::ac43:9dac2026-07-31 → 2026-07-31 · 2 obs

○ 2026-07-13 09:22:16
● 2026-07-31 14:40:34

○A2a06:98c1:3120::2026-07-13 → 2026-07-13 · 2 obs

● 2026-07-13 09:22:16
○ 2026-07-31 14:40:34

○A2a06:98c1:3121::2026-07-13 → 2026-07-13 · 2 obs

● 2026-07-13 09:22:16
○ 2026-07-31 14:40:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co	-
slabcalc.co	laylah.ns.cloudflare.com, bowen.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.83

NS records: laylah.ns.cloudflare.com, bowen.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for slabcalc.co (unsigned zone)

⏱️ Timing

Total: 297ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.14.31, 172.67.157.172`
AAAA	2	`2606:4700:3032::6815:e1f, 2606:4700:3032::ac43:9dac`
NS	2	`bowen.ns.cloudflare.com, laylah.ns.cloudflare.com`
MX	3	`route1.mx.cloudflare.net (pri: 100), route2.mx.cloudflare.net (pri: 52)...`
TXT	2	`google-site-verification=PSZv_NEFDvYT5I9, v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bowen.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

slabcalc.co resolves to four IP addresses: 104.21.14.31, 172.67.157.172, 2606:4700:3032::6815:e1f and 2606:4700:3032::ac43:9dac.

Among the host names that share IP numbers with slabcalc.co are pl.europeancams.net, eclipsecasino.ca, bellezaqueexpresa.com and two others.

Name Servers

The NS records for slabcalc.co delegate to bowen.ns.cloudflare.com and laylah.ns.cloudflare.com.

slabcalc.co has the same name server delegation as a number of other domains, such as thebiddox.com, engariintl.com, vidflixtv.com and two more.

slabcalc.co has at least partial name server overlap with other domains, such as hxmining.com, cofinance.eu, haberlerbizim.com and two others.

It is common to see these name servers used together with name servers colin.ns.cloudflare.com and simon.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

bowen.ns.cloudflare.com maps to 108.162.195.83, 162.159.44.83, 172.64.35.83 and 3 additional IP addresses.

laylah.ns.cloudflare.com maps to 108.162.194.230, 162.159.38.230, 172.64.34.230 and 3 additional IP addresses.

Mail Servers

slabcalc.co has three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

slabcalc.co shares at least some of its mail servers with other domains — for example kawaks.org, battlea.net, zodworks.dev and two more.

Host names resolving to 6 IP numbers:

route1.mx.cloudflare.net maps to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 additional IP addresses.

route2.mx.cloudflare.net maps to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 additional IP addresses.

route3.mx.cloudflare.net maps to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 additional IP addresses.

slabcalc.co - robtex.com

slabcalc.co

co

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`slabcalc.co`

`co`