introcad.com - dns.ninja

`introcad.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:4df6^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3030::ac43:d555^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.77.246^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.213.85^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`leif.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cde^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leif.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3de^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`leif.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23de^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`leif.ns.cloudflare.com`
		A	108.162.195.222^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leif.ns.cloudflare.com`
		A	162.159.44.222^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leif.ns.cloudflare.com`
		A	172.64.35.222^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leif.ns.cloudflare.com`
NS	`stephane.ns.cloudflare.com`
		A	2606:4700:50::a29f:2670^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stephane.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c270^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`stephane.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2270^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`stephane.ns.cloudflare.com`
		A	108.162.194.112^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stephane.ns.cloudflare.com`
		A	162.159.38.112^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stephane.ns.cloudflare.com`
		A	172.64.34.112^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stephane.ns.cloudflare.com`
MX	`mx1.mail.ovh.net` ⭐
		A	188.165.36.237^{🇫🇷 OVH188.165.0.0/16 ISP Paris, France}
			PTR	`mx1.mail.ovh.net`
MX	`mx2.mail.ovh.net`⁽⁵⁾
		A	87.98.160.167^{🇫🇷 OVH87.98.128.0/17 ISP Paris, France}
			PTR	`mx2.mail.ovh.net`
MX	`mx3.mail.ovh.net`⁽¹⁰⁰⁾
TXT	`4\|https://www.introcad.com`
TXT	`v=spf1 include:mx.ovh.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.77.246, 172.67.213.85
		IPv6 hints	2606:4700:3030::6815:4df6, 2606:4700:3030::ac43:d555
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=129, name=cloudflare-ech.com
SOA	`leif.ns.cloudflare.com`dns@cloudflare.com serial=2406175317

`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=1783217966

Same first word

introcad.com

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DNS History

23 records (9 active, 14 former)

○NSdns200.anycast.me2026-03-25 → 2026-07-05 · 2 obs

○ 2026-03-25 23:20:22
○ 2026-07-05 02:25:48

●NSleif.ns.cloudflare.com2026-03-25 → 2026-07-05 · 3 obs

○ 2021-10-28 18:34:42
● 2026-03-25 23:20:22
● 2026-07-05 02:25:48

○NSns1.tld-ns.net2018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 18:20:28
○ 2021-10-28 18:34:42
○ 2026-07-05 02:25:48

○NSns2.tld-ns.com2018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 18:20:28
○ 2021-10-28 18:34:42
○ 2026-07-05 02:25:48

○NSns200.anycast.me2026-03-25 → 2026-07-05 · 2 obs

○ 2026-03-25 23:20:22
○ 2026-07-05 02:25:48

○NSns3.tld-ns.net2018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 18:20:28
○ 2021-10-28 18:34:42
○ 2026-07-05 02:25:48

○NSns4.tld-ns.com2018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 18:20:28
○ 2021-10-28 18:34:42
○ 2026-07-05 02:25:48

●NSstephane.ns.cloudflare.com2026-03-25 → 2026-07-05 · 3 obs

○ 2021-10-28 18:34:42
● 2026-03-25 23:20:22
● 2026-07-05 02:25:48

●MXmx1.mail.ovh.net2026-03-25 → 2026-07-05 · 2 obs

● 2026-03-25 23:20:22
● 2026-07-05 02:25:48

●MXmx2.mail.ovh.net2026-03-25 → 2026-07-05 · 2 obs

● 2026-03-25 23:20:22
● 2026-07-05 02:25:48

●MXmx3.mail.ovh.net2026-03-25 → 2026-07-05 · 2 obs

● 2026-03-25 23:20:22
● 2026-07-05 02:25:48

●A104.21.77.2462026-03-29 → 2026-07-05 · 3 obs

○ 2026-03-25 23:20:22
● 2026-03-29 02:25:52
● 2026-07-05 02:25:48

●A172.67.213.852026-03-29 → 2026-07-05 · 3 obs

○ 2026-03-25 23:20:22
● 2026-03-29 02:25:52
● 2026-07-05 02:25:48

○A188.114.96.02026-03-25 → 2026-03-25 · 4 obs

○ 2021-10-28 18:34:42
● 2026-03-25 23:20:22
○ 2026-03-29 02:25:52
○ 2026-07-05 02:25:48

○A188.114.97.02026-03-25 → 2026-03-25 · 4 obs

○ 2021-10-28 18:34:42
● 2026-03-25 23:20:22
○ 2026-03-29 02:25:52
○ 2026-07-05 02:25:48

○A213.186.33.52026-03-25 → 2026-07-05 · 2 obs

○ 2026-03-25 23:20:22
○ 2026-07-05 02:25:48

●A2606:4700:3030::6815:4df62026-06-23 → 2026-07-05 · 3 obs

○ 2026-06-15 12:39:18
● 2026-06-23 01:50:18
● 2026-07-05 02:25:48

●A2606:4700:3030::ac43:d5552026-06-23 → 2026-07-05 · 3 obs

○ 2026-06-15 12:39:18
● 2026-06-23 01:50:18
● 2026-07-05 02:25:48

○A2606:4700:3033::6815:4df62026-03-29 → 2026-06-15 · 5 obs

○ 2026-03-25 23:20:22
● 2026-03-29 02:25:52
● 2026-06-15 12:39:18
○ 2026-06-23 01:50:18
○ 2026-07-05 02:25:48

○A2606:4700:3033::ac43:d5552026-03-29 → 2026-06-15 · 5 obs

○ 2026-03-25 23:20:22
● 2026-03-29 02:25:52
● 2026-06-15 12:39:18
○ 2026-06-23 01:50:18
○ 2026-07-05 02:25:48

○A2a06:98c1:3120::2026-03-25 → 2026-03-25 · 4 obs

○ 2021-10-28 18:34:42
● 2026-03-25 23:20:22
○ 2026-03-29 02:25:52
○ 2026-07-05 02:25:48

○A2a06:98c1:3121::2026-03-25 → 2026-03-25 · 4 obs

○ 2021-10-28 18:34:42
● 2026-03-25 23:20:22
○ 2026-03-29 02:25:52
○ 2026-07-05 02:25:48

○A41.76.104.1252018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 18:20:28
○ 2021-10-28 18:34:42
○ 2026-07-05 02:25:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, c.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net...	-
introcad.com	stephane.ns.cloudflare.com, leif.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.222

NS records: stephane.ns.cloudflare.com, leif.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for introcad.com (unsigned zone)

⏱️ Timing

Total: 391ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.77.246, 172.67.213.85`
AAAA	2	`2606:4700:3030::6815:4df6, 2606:4700:3030::ac43:d555`
NS	2	`leif.ns.cloudflare.com, stephane.ns.cloudflare.com`
MX	3	`mx1.mail.ovh.net (pri: 1), mx3.mail.ovh.net (pri: 100)...`
TXT	2	`4\|https://www.introcad.com, v=spf1 include:mx.ovh.com -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`leif.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

introcad.com resolves to four IP addresses: 104.21.77.246, 172.67.213.85, 2606:4700:3030::6815:4df6 and 2606:4700:3030::ac43:d555.

ipan.com.tw, prlog.ru, nn8616.com and two other host names share IP numbers with introcad.com.

Name Servers

DNS delegation for introcad.com points to two name servers: leif.ns.cloudflare.com and stephane.ns.cloudflare.com.

introcad.com uses the same name servers as several other domains — among them donncorporation.com, nandy.net, xmedia.in and two more.

introcad.com has at least partial name server overlap with other domains, such as kelionavara.com, jujutsukaisenmangafree.com, 247amend.com and two others.

It is common to find these name servers alongside the name servers dana.ns.cloudflare.com, kim.ns.cloudflare.com, simon.ns.cloudflare.com and two others.

Hostnames that resolve to 6 IP addresses:

leif.ns.cloudflare.com has IP addresses 108.162.195.222, 162.159.44.222 and 172.64.35.222, plus 3 other.

stephane.ns.cloudflare.com has IP addresses 108.162.194.112, 162.159.38.112 and 172.64.34.112, plus 3 other.

Mail Servers

introcad.com has three mail servers: mx1.mail.ovh.net, mx2.mail.ovh.net and mx3.mail.ovh.net.

introcad.com has at least partial mail server overlap with other domains such as salon-agriculture.org, rozo.me, journee-mondiale-egalite-des-chances.com and two more.

These mail servers tend to be used in combination with the mail servers mx4.mail.ovh.net and mx0.mail.ovh.net.

mx1.mail.ovh.net directs to 188.165.36.237 and mx2.mail.ovh.net directs to 87.98.160.167; each host name points to exactly one IP number.