programalf.cz - dns.ninja

`programalf.cz`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:a962^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:576c^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.87.108^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.169.98^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`pam.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a8a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pam.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c08a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`pam.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:208a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`pam.ns.cloudflare.com`
		A	108.162.192.138^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pam.ns.cloudflare.com`
		A	172.64.32.138^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pam.ns.cloudflare.com`
		A	173.245.58.138^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pam.ns.cloudflare.com`
NS	`yevgen.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cdf^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yevgen.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3df^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`yevgen.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23df^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`yevgen.ns.cloudflare.com`
		A	108.162.195.223^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yevgen.ns.cloudflare.com`
		A	162.159.44.223^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yevgen.ns.cloudflare.com`
		A	172.64.35.223^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yevgen.ns.cloudflare.com`
MX	`wes1-mx1.wedos.net` ⭐
		A	46.28.106.11^{🇨🇿 WEDOS46.28.104.0/21 Internet, a.s.}
			PTR	`wes1-mx1.wedos.net`
MX	`wes1-mx2.wedos.net`⁽⁹⁰⁾
		A	46.28.106.12^{🇨🇿 WEDOS46.28.104.0/21 Internet, a.s.}
			PTR	`wes1-mx2.wedos.net`
TXT	`v=spf1 mx a include:_spf.we.wedos.net include:hc1-wd356.wedos.net include:46....`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.87.108, 172.67.169.98
		IPv6 hints	2606:4700:3032::ac43:a962, 2606:4700:3037::6815:576c
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=82, name=cloudflare-ech.com
SOA	`pam.ns.cloudflare.com`dns@cloudflare.com serial=2410778068

`cz`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.ns.nic.cz` ⭐
	NS	`b.ns.nic.cz`
	NS	`c.ns.nic.cz`
	NS	`d.ns.nic.cz`
	SOA	`a.ns.nic.cz`hostmaster@nic.cz serial=1786697240

Same first word

programalf.sk

programalf.com

programalf.cz

DNS History

16 records (8 active, 8 former)

○NSns1.webdom.sk2015-07-14 → 2017-04-01 · 4 obs

● 2015-07-14 01:24:40
● 2017-04-01 06:46:00
○ 2026-02-18 06:27:10
○ 2026-08-14 09:17:32

○NSns2.webdom.sk2015-07-14 → 2017-04-01 · 4 obs

● 2015-07-14 01:24:40
● 2017-04-01 06:46:00
○ 2026-02-18 06:27:10
○ 2026-08-14 09:17:32

○NSns3.webdom.sk2015-07-14 → 2017-04-01 · 4 obs

● 2015-07-14 01:24:40
● 2017-04-01 06:46:00
○ 2026-02-18 06:27:10
○ 2026-08-14 09:17:32

●NSpam.ns.cloudflare.com2026-02-18 → 2026-08-14 · 3 obs

○ 2017-04-01 06:46:00
● 2026-02-18 06:27:10
● 2026-08-14 09:17:32

●NSyevgen.ns.cloudflare.com2026-02-18 → 2026-08-14 · 3 obs

○ 2017-04-01 06:46:00
● 2026-02-18 06:27:10
● 2026-08-14 09:17:32

○MXmail.programalf.cz2015-07-14 → 2017-04-01 · 4 obs

● 2015-07-14 01:24:40
● 2017-04-01 06:46:00
○ 2026-02-18 06:27:10
○ 2026-08-14 09:17:32

○MXmail2.programalf.cz2015-07-14 → 2017-04-01 · 4 obs

● 2015-07-14 01:24:40
● 2017-04-01 06:46:00
○ 2026-02-18 06:27:10
○ 2026-08-14 09:17:32

●MXwes1-mx1.wedos.net2026-02-18 → 2026-08-14 · 3 obs

○ 2017-04-01 06:46:00
● 2026-02-18 06:27:10
● 2026-08-14 09:17:32

●MXwes1-mx2.wedos.net2026-02-18 → 2026-08-14 · 3 obs

○ 2017-04-01 06:46:00
● 2026-02-18 06:27:10
● 2026-08-14 09:17:32

●A104.21.87.1082026-02-18 → 2026-08-14 · 3 obs

○ 2017-04-01 06:46:00
● 2026-02-18 06:27:10
● 2026-08-14 09:17:32

●A172.67.169.982026-02-18 → 2026-08-14 · 3 obs

○ 2017-04-01 06:46:00
● 2026-02-18 06:27:10
● 2026-08-14 09:17:32

○A2606:4700:3030::ac43:a9622026-02-18 → 2026-02-18 · 4 obs

○ 2017-04-01 06:46:00
● 2026-02-18 06:27:10
○ 2026-07-18 14:32:22
○ 2026-08-14 09:17:32

●A2606:4700:3032::ac43:a9622026-07-18 → 2026-08-14 · 3 obs

○ 2026-02-18 06:27:10
● 2026-07-18 14:32:22
● 2026-08-14 09:17:32

○A2606:4700:3033::6815:576c2026-02-18 → 2026-02-18 · 4 obs

○ 2017-04-01 06:46:00
● 2026-02-18 06:27:10
○ 2026-07-18 14:32:22
○ 2026-08-14 09:17:32

●A2606:4700:3037::6815:576c2026-07-18 → 2026-08-14 · 3 obs

○ 2026-02-18 06:27:10
● 2026-07-18 14:32:22
● 2026-08-14 09:17:32

○A91.223.69.62015-07-14 → 2017-04-01 · 4 obs

● 2015-07-14 01:24:40
● 2017-04-01 06:46:00
○ 2026-02-18 06:27:10
○ 2026-08-14 09:17:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	d.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz	-
programalf.cz	yevgen.ns.cloudflare.com, pam.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.223

NS records: yevgen.ns.cloudflare.com, pam.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for programalf.cz (unsigned zone)

⏱️ Timing

Total: 538ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.169.98, 104.21.87.108`
AAAA	2	`2606:4700:3032::ac43:a962, 2606:4700:3037::6815:576c`
NS	2	`pam.ns.cloudflare.com, yevgen.ns.cloudflare.com`
MX	2	`wes1-mx1.wedos.net (pri: 10), wes1-mx2.wedos.net (pri: 90)`
TXT	1	`v=spf1 mx a include:_spf.we.wedos.net in`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`pam.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

programalf.cz points to the four IP addresses 104.21.87.108, 172.67.169.98, 2606:4700:3032::ac43:a962 and 2606:4700:3037::6815:576c.

Additional host names — www.imagefz.com, esberlaw.com, teamcentrionet.sbs and two others — share IP numbers with programalf.cz.

Name Servers

DNS delegation for programalf.cz points to two name servers: pam.ns.cloudflare.com and yevgen.ns.cloudflare.com.

programalf.cz shares its name server setup with other domains, including programalf.com, alfbook.eu, antisocial.science and two others.

There is at least partial name server overlap between programalf.cz and other domains — habtools.com.mx, previmeteo.net, restorationperformance.com and two more among them.

These name servers are routinely deployed together with the name servers vasilii.ns.cloudflare.com.

Host names with 6 IP numbers:

pam.ns.cloudflare.com has IP addresses 108.162.192.138, 172.64.32.138 and 173.245.58.138, plus 3 other.

yevgen.ns.cloudflare.com has IP addresses 108.162.195.223, 162.159.44.223 and 172.64.35.223, plus 3 other.

Mail Servers

programalf.cz has two mail servers: wes1-mx1.wedos.net and wes1-mx2.wedos.net.

programalf.cz shares the same mail server setup as other domains, including bianca.cz, renfri.cz, alijan.cz and two others.

programalf.cz shares mail servers — at least in part — with other domains, including hjn.cz, fidespopuli.cz, naamkyun.com and two others.

These mail servers are frequently seen alongside the mail servers wes1-mx-backup.wedos.net.

wes1-mx1.wedos.net → 46.28.106.11 and wes1-mx2.wedos.net → 46.28.106.12: one IP number per host name.