`tancrasystems.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:3e02^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:d978^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.62.2^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.217.120^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kenia.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:265d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kenia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c25d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kenia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:225d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kenia.ns.cloudflare.com`
		A	108.162.194.93^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kenia.ns.cloudflare.com`
		A	162.159.38.93^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kenia.ns.cloudflare.com`
		A	172.64.34.93^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kenia.ns.cloudflare.com`
NS	`marek.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bca^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ca^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`marek.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ca^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`marek.ns.cloudflare.com`
		A	108.162.193.202^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
		A	172.64.33.202^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
		A	173.245.59.202^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.62.2, 172.67.217.120
		IPv6 hints	2606:4700:3031::6815:3e02, 2606:4700:3035::ac43:d978
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=209, name=cloudflare-ech.com
SOA	`kenia.ns.cloudflare.com`dns@cloudflare.com serial=2403470762

`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=1778736446

MX for

tancrasystems.com

Same first word

tancrasystems.com

Similar names

cantrasystems.com

DNS History

24 records (6 active, 18 former)

●NSkenia.ns.cloudflare.com2026-05-14 → 2026-05-14 · 2 obs

○ 2026-04-25 06:42:40
● 2026-05-14 05:49:20

●NSmarek.ns.cloudflare.com2026-05-14 → 2026-05-14 · 2 obs

○ 2026-04-25 06:42:40
● 2026-05-14 05:49:20

○NSns1.carlos-pereira.es2026-02-22 → 2026-04-25 · 4 obs

○ 2020-03-04 18:17:14
● 2026-02-22 16:31:52
● 2026-04-25 06:42:40
○ 2026-05-14 05:49:20

○NSns1.hosteurope.es2016-03-14 → 2017-02-13 · 5 obs

○ 2015-12-09 23:29:58
● 2016-03-14 02:34:30
● 2017-02-13 13:42:48
○ 2020-03-04 18:17:14
○ 2026-05-14 05:49:20

○NSns1.redcoruna.com2015-07-26 → 2015-12-09 · 4 obs

● 2015-07-26 12:30:24
● 2015-12-09 23:29:58
○ 2016-03-14 02:34:30
○ 2026-05-14 05:49:20

○NSns2.carlos-pereira.es2026-02-22 → 2026-04-25 · 4 obs

○ 2020-03-04 18:17:14
● 2026-02-22 16:31:52
● 2026-04-25 06:42:40
○ 2026-05-14 05:49:20

○NSns2.hosteurope.es2016-03-14 → 2017-02-13 · 5 obs

○ 2015-12-09 23:29:58
● 2016-03-14 02:34:30
● 2017-02-13 13:42:48
○ 2020-03-04 18:17:14
○ 2026-05-14 05:49:20

○NSns2.redcoruna.com2015-07-26 → 2015-12-09 · 4 obs

● 2015-07-26 12:30:24
● 2015-12-09 23:29:58
○ 2016-03-14 02:34:30
○ 2026-05-14 05:49:20

○NSns3.hosteurope.es2016-03-14 → 2017-02-13 · 5 obs

○ 2015-12-09 23:29:58
● 2016-03-14 02:34:30
● 2017-02-13 13:42:48
○ 2020-03-04 18:17:14
○ 2026-05-14 05:49:20

○NSns3.redcoruna.com2015-07-26 → 2015-12-09 · 4 obs

● 2015-07-26 12:30:24
● 2015-12-09 23:29:58
○ 2016-03-14 02:34:30
○ 2026-05-14 05:49:20

○NSns4.hosteurope.es2016-03-14 → 2017-02-13 · 5 obs

○ 2015-12-09 23:29:58
● 2016-03-14 02:34:30
● 2017-02-13 13:42:48
○ 2020-03-04 18:17:14
○ 2026-05-14 05:49:20

○NSnsp53944.dns-privadas.es2020-03-04 → 2020-03-04 · 4 obs

○ 2017-02-13 13:42:48
● 2020-03-04 18:17:14
○ 2026-02-22 16:31:52
○ 2026-05-14 05:49:20

○NSnss53944.dns-privadas.es2020-03-04 → 2020-03-04 · 4 obs

○ 2017-02-13 13:42:48
● 2020-03-04 18:17:14
○ 2026-02-22 16:31:52
○ 2026-05-14 05:49:20

○MXmx-1.tancrasystems.com2015-07-26 → 2017-02-13 · 4 obs

● 2015-07-26 12:30:24
● 2017-02-13 13:42:48
○ 2020-03-04 18:17:14
○ 2026-05-14 05:49:20

○MXmx-2.tancrasystems.com2015-07-26 → 2017-02-13 · 4 obs

● 2015-07-26 12:30:24
● 2017-02-13 13:42:48
○ 2020-03-04 18:17:14
○ 2026-05-14 05:49:20

○MXtancrasystems.com2015-07-26 → 2026-04-25 · 3 obs

● 2015-07-26 12:30:24
● 2026-04-25 06:42:40
○ 2026-05-14 05:49:20

●A104.21.62.22026-05-14 → 2026-05-14 · 2 obs

○ 2026-04-25 06:42:40
● 2026-05-14 05:49:20

●A172.67.217.1202026-05-14 → 2026-05-14 · 2 obs

○ 2026-04-25 06:42:40
● 2026-05-14 05:49:20

○A185.101.227.1782026-02-22 → 2026-04-25 · 4 obs

○ 2020-03-04 18:17:14
● 2026-02-22 16:31:52
● 2026-04-25 06:42:40
○ 2026-05-14 05:49:20

○A212.48.92.2092016-03-14 → 2017-02-13 · 5 obs

○ 2015-12-09 23:29:58
● 2016-03-14 02:34:30
● 2017-02-13 13:42:48
○ 2020-03-04 18:17:14
○ 2026-05-14 05:49:20

●A2606:4700:3031::6815:3e022026-05-14 → 2026-05-14 · 2 obs

○ 2026-04-25 06:42:40
● 2026-05-14 05:49:20

●A2606:4700:3035::ac43:d9782026-05-14 → 2026-05-14 · 2 obs

○ 2026-04-25 06:42:40
● 2026-05-14 05:49:20

○A81.21.67.1202020-03-04 → 2020-03-04 · 4 obs

○ 2017-02-13 13:42:48
● 2020-03-04 18:17:14
○ 2026-02-22 16:31:52
○ 2026-05-14 05:49:20

○A92.43.17.1492015-07-26 → 2015-12-09 · 4 obs

● 2015-07-26 12:30:24
● 2015-12-09 23:29:58
○ 2016-03-14 02:34:30
○ 2026-05-14 05:49:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
tancrasystems.com	marek.ns.cloudflare.com, kenia.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.93

NS records: marek.ns.cloudflare.com, kenia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tancrasystems.com (unsigned zone)

⏱️ Timing

Total: 441ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.217.120, 104.21.62.2`
AAAA	2	`2606:4700:3035::ac43:d978, 2606:4700:3031::6815:3e02`
NS	2	`kenia.ns.cloudflare.com, marek.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`kenia.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

Mail Server Role

For tancrasystems.com, the mail server is tancrasystems.com.

IP Addresses

Four IP numbers are pointed to by tancrasystems.com: 2606:4700:3031::6815:3e02, 2606:4700:3035::ac43:d978, 104.21.62.2 and 172.67.217.120.

other host names including online-docu.org, iooii.com, samostroika.com, study.academy and ovvers.com share IP numbers with tancrasystems.com.

Name Servers

tancrasystems.com is delegated to two name servers kenia.ns.cloudflare.com and marek.ns.cloudflare.com.

tancrasystems.com shares the same name server setup as other domains, for instance synergy-magazine.com, reparacion-ordenadores-barcelona.com, anime.lk, camppilot.com and momus.fr.

tancrasystems.com at least partially shares name servers with other domains, for instance cirmos.com, getperkpower.com, adsips.com, hostsites.me and nb-nice.com.

these name servers are commonly used alongside kellen.ns.cloudflare.com.

Host names with six IP numbers:

Host name kenia.ns.cloudflare.com points to: 2606:4700:50::a29f:265d, 2803:f800:50::6ca2:c25d, 2a06:98c1:50::ac40:225d, 108.162.194.93, 162.159.38.93 and 172.64.34.93.

Host name marek.ns.cloudflare.com points to: 2606:4700:58::adf5:3bca, 2803:f800:50::6ca2:c1ca, 2a06:98c1:50::ac40:21ca, 108.162.193.202, 172.64.33.202 and 173.245.59.202.

tancrasystems.com - robtex.com