`exchangecal.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:268d^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:df2f^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.38.141^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.223.47^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alberto.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c12^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alberto.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c312^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alberto.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2312^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alberto.ns.cloudflare.com`
		A	108.162.195.18^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alberto.ns.cloudflare.com`
		A	162.159.44.18^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alberto.ns.cloudflare.com`
		A	172.64.35.18^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alberto.ns.cloudflare.com`
NS	`audrey.ns.cloudflare.com`
		A	2606:4700:50::a29f:2642^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`audrey.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c242^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`audrey.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2242^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`audrey.ns.cloudflare.com`
		A	108.162.194.66^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`audrey.ns.cloudflare.com`
		A	162.159.38.66^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`audrey.ns.cloudflare.com`
		A	172.64.34.66^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`audrey.ns.cloudflare.com`
MX	`route3.mx.cloudflare.net` ⭐
		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`⁽⁷⁷⁾
		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`
MX	`route2.mx.cloudflare.net`⁽⁹⁸⁾
		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`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.38.141, 172.67.223.47
		IPv6	2606:4700:3031::6815:268d, 2606:4700:3032::ac43:df2f
SOA	`alberto.ns.cloudflare.com`dns@cloudflare.com serial=2398871088

`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=1771291435

Same first word

exchangecal.com

DNS History

17 records (9 active, 8 former)

●NSalberto.ns.cloudflare.com2026-03-22 → 2026-03-22 · 3 obs

○ 2017-04-11 02:05:30
● 2026-03-22 19:17:14
● 2026-03-22 19:33:02

●NSaudrey.ns.cloudflare.com2026-03-22 → 2026-03-22 · 3 obs

○ 2017-04-11 02:05:30
● 2026-03-22 19:17:14
● 2026-03-22 19:33:02

○NSns1.mydomain.com2008-03-08 → 2017-04-11 · 4 obs

● 2008-03-08 04:54:34
● 2017-04-11 02:05:30
○ 2026-03-22 19:17:14
○ 2026-03-22 19:33:02

○NSns2.mydomain.com2008-03-08 → 2017-04-11 · 4 obs

● 2008-03-08 04:54:34
● 2017-04-11 02:05:30
○ 2026-03-22 19:17:14
○ 2026-03-22 19:33:02

○NSns3.mydomain.com2008-03-08 → 2017-04-11 · 4 obs

● 2008-03-08 04:54:34
● 2017-04-11 02:05:30
○ 2026-03-22 19:17:14
○ 2026-03-22 19:33:02

○NSns4.mydomain.com2008-03-08 → 2017-04-11 · 4 obs

● 2008-03-08 04:54:34
● 2017-04-11 02:05:30
○ 2026-03-22 19:17:14
○ 2026-03-22 19:33:02

○MXm1.dnsix.com2008-03-08 → 2017-04-11 · 4 obs

● 2008-03-08 04:54:34
● 2017-04-11 02:05:30
○ 2026-03-22 19:17:14
○ 2026-03-22 19:33:02

●MXroute1.mx.cloudflare.net2026-03-22 → 2026-03-22 · 3 obs

○ 2017-04-11 02:05:30
● 2026-03-22 19:17:14
● 2026-03-22 19:33:02

●MXroute2.mx.cloudflare.net2026-03-22 → 2026-03-22 · 3 obs

○ 2017-04-11 02:05:30
● 2026-03-22 19:17:14
● 2026-03-22 19:33:02

●MXroute3.mx.cloudflare.net2026-03-22 → 2026-03-22 · 3 obs

○ 2017-04-11 02:05:30
● 2026-03-22 19:17:14
● 2026-03-22 19:33:02

●A104.21.38.1412026-03-22 → 2026-03-22 · 3 obs

○ 2017-04-11 02:05:30
● 2026-03-22 19:17:14
● 2026-03-22 19:33:02

●A172.67.223.472026-03-22 → 2026-03-22 · 3 obs

○ 2017-04-11 02:05:30
● 2026-03-22 19:17:14
● 2026-03-22 19:33:02

●A2606:4700:3031::6815:268d2026-03-22 → 2026-03-22 · 3 obs

○ 2017-04-11 02:05:30
● 2026-03-22 19:17:14
● 2026-03-22 19:33:02

●A2606:4700:3032::ac43:df2f2026-03-22 → 2026-03-22 · 3 obs

○ 2017-04-11 02:05:30
● 2026-03-22 19:17:14
● 2026-03-22 19:33:02

○A63.204.157.42008-03-08 → 2008-03-08 · 3 obs

● 2008-03-08 04:54:34
○ 2015-06-18 17:50:56
○ 2026-03-22 19:33:02

○A65.111.161.402016-07-11 → 2017-04-11 · 5 obs

○ 2016-01-19 14:04:04
● 2016-07-11 00:19:20
● 2017-04-11 02:05:30
○ 2026-03-22 19:17:14
○ 2026-03-22 19:33:02

○A66.135.52.1872015-06-18 → 2016-01-19 · 5 obs

○ 2008-03-08 04:54:34
● 2015-06-18 17:50:56
● 2016-01-19 14:04:04
○ 2016-07-11 00:19:20
○ 2026-03-22 19:33:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
exchangecal.com	audrey.ns.cloudflare.com, alberto.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.194.66

NS records: audrey.ns.cloudflare.com, alberto.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for exchangecal.com (unsigned zone)

⏱️ Timing

Total: 151ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.38.141, 172.67.223.47`
AAAA	2	`2606:4700:3031::6815:268d, 2606:4700:3032::ac43:df2f`
NS	2	`alberto.ns.cloudflare.com, audrey.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 14), route1.mx.cloudflare.net (pri: 77)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`alberto.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (audrey.ns.cloudflare.com, audrey.ns.cloudflare.com, audrey.ns.cloudflare.com...)

Analysis

IP Addresses

exchangecal.com resolves to four IPs: 2606:4700:3031::6815:268d, 2606:4700:3032::ac43:df2f, 104.21.38.141 and 172.67.223.47.

Other host names, for instance www.portnerfurniture.co.uk, siamese-kittens.com, uceed.in, universalinfo.com.br and ns2.server200.com share IP numbers with exchangecal.com.

Name Servers

exchangecal.com has two name servers: alberto.ns.cloudflare.com and audrey.ns.cloudflare.com.

exchangecal.com shares the same name server setup as other domains, for example bigbuy.site, sflindy.com, bluescal.com, everyscene.com and dancecal.com.

exchangecal.com shares some name servers with other domains, for example kurmatoto81.site, bozuqiuzhibo.com.cn, ren14jiangjinyilanbiao.com.cn, pc28kjruanjian.com.cn and zuqiujingcaibifenb.com.cn.

These name servers are commonly used alongside malavika.ns.cloudflare.com, nelly.ns.cloudflare.com, etienne.ns.cloudflare.com and ned.ns.cloudflare.com.

Host names with six IP numbers: alberto.ns.cloudflare.com points to: 2606:4700:58::a29f:2c12, 2803:f800:50::6ca2:c312, 2a06:98c1:50::ac40:2312, 108.162.195.18, 162.159.44.18 and 172.64.35.18; audrey.ns.cloudflare.com points to: 2606:4700:50::a29f:2642, 2803:f800:50::6ca2:c242, 2a06:98c1:50::ac40:2242, 108.162.194.66, 162.159.38.66 and 172.64.34.66.

Mail Servers

exchangecal.com is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

exchangecal.com shares some mail servers with other domains, at least partially; for instance hissahec.com, kpconsulting.si, mobenal.com, get(0x73686974)tens.com and radtech.tv.

Host names with six IP numbers:

route1.mx.cloudflare.net points to 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13

route2.mx.cloudflare.net points to 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19

route3.mx.cloudflare.net points to 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25

exchangecal.com - robtex.com

exchangecal.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`exchangecal.com`

`com`