serwitech.com - dns.ninja

`serwitech.com`

DNSSEC	⚠️ Not signed
A	83.13.252.226^{🇵🇱 TPNET83.8.0.0/13 for abuse: abuse@tpnet.pl}
		PTR	`gandalf.serwitech.com`
NS	`isaac.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bb1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isaac.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1b1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`isaac.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21b1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`isaac.ns.cloudflare.com`
		A	108.162.193.177^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isaac.ns.cloudflare.com`
		A	172.64.33.177^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isaac.ns.cloudflare.com`
		A	173.245.59.177^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isaac.ns.cloudflare.com`
NS	`vera.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a93^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vera.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c093^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`vera.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2093^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`vera.ns.cloudflare.com`
		A	108.162.192.147^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vera.ns.cloudflare.com`
		A	172.64.32.147^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vera.ns.cloudflare.com`
		A	173.245.58.147^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vera.ns.cloudflare.com`
MX	`poczta.grzelewski.net` ⭐
		A	45.130.104.68^{🇩🇪 CONTABO45.130.104.0/24}
			PTR	`poczta.grzelewski.net`
TXT	`v=spf1 a mx ip4:45.130.104.68~all`
SOA	`isaac.ns.cloudflare.com`dns@cloudflare.com serial=2405731880

`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=1782842886

Subdomains

bilbo.serwitech.com

jmdi-s.serwitech.com

jmdi.serwitech.com

gandalf.serwitech.com

ssl.serwitech.com

Same first word

serwitech.net

serwitech.com

serwitech.pl

Similar names

DNS History

12 records (4 active, 8 former)

○NSdns.home.pl2015-07-15 → 2016-06-26 · 4 obs

● 2015-07-15 23:01:10
● 2016-06-26 06:28:44
○ 2017-03-14 09:32:58
○ 2026-06-30 18:20:40

○NSdns2.home.pl2015-07-15 → 2016-06-26 · 4 obs

● 2015-07-15 23:01:10
● 2016-06-26 06:28:44
○ 2017-03-14 09:32:58
○ 2026-06-30 18:20:40

○NSdns3.home.pl2015-07-15 → 2016-06-26 · 4 obs

● 2015-07-15 23:01:10
● 2016-06-26 06:28:44
○ 2017-03-14 09:32:58
○ 2026-06-30 18:20:40

●NSisaac.ns.cloudflare.com2026-03-30 → 2026-06-30 · 3 obs

○ 2017-03-14 09:32:58
● 2026-03-30 20:19:42
● 2026-06-30 18:20:40

○NSns0.unlimited.uk.net2017-03-14 → 2017-03-14 · 4 obs

○ 2016-06-26 06:28:44
● 2017-03-14 09:32:58
○ 2026-03-30 20:19:42
○ 2026-06-30 18:20:40

○NSns1.unlimited.uk.net2017-03-14 → 2017-03-14 · 4 obs

○ 2016-06-26 06:28:44
● 2017-03-14 09:32:58
○ 2026-03-30 20:19:42
○ 2026-06-30 18:20:40

●NSvera.ns.cloudflare.com2026-03-30 → 2026-06-30 · 3 obs

○ 2017-03-14 09:32:58
● 2026-03-30 20:19:42
● 2026-06-30 18:20:40

○MXdroid.serwitech.com2015-07-15 → 2015-11-16 · 4 obs

● 2015-07-15 23:01:10
● 2015-11-16 17:11:48
○ 2016-03-05 03:33:26
○ 2026-06-30 18:20:40

○MXgandalf.serwitech.com2015-07-15 → 2017-03-14 · 4 obs

● 2015-07-15 23:01:10
● 2017-03-14 09:32:58
○ 2026-03-30 20:19:42
○ 2026-06-30 18:20:40

○MXmail.plexsound.com2016-03-05 → 2017-03-14 · 5 obs

○ 2015-11-16 17:11:48
● 2016-03-05 03:33:26
● 2017-03-14 09:32:58
○ 2026-03-30 20:19:42
○ 2026-06-30 18:20:40

●MXpoczta.grzelewski.net2026-03-30 → 2026-06-30 · 3 obs

○ 2017-03-14 09:32:58
● 2026-03-30 20:19:42
● 2026-06-30 18:20:40

●A83.13.252.2262015-07-15 → 2026-06-30 · 2 obs

● 2015-07-15 23:01:10
● 2026-06-30 18:20:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, h.gtld-servers.net, l.gtld-servers.net, j.gtld-servers.net...	-
serwitech.com	vera.ns.cloudflare.com, isaac.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.177

NS records: vera.ns.cloudflare.com, isaac.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for serwitech.com (unsigned zone)

⏱️ Timing

Total: 147ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`83.13.252.226`
NS	2	`isaac.ns.cloudflare.com, vera.ns.cloudflare.com`
MX	1	`poczta.grzelewski.net (pri: 10)`
TXT	1	`v=spf1 a mx ip4:45.130.104.68~all`
SOA	1	`isaac.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

serwitech.com has five child domains: bilbo.serwitech.com, jmdi-s.serwitech.com, jmdi.serwitech.com, gandalf.serwitech.com and ssl.serwitech.com.

IP Addresses

serwitech.com directs to one IP number, which is 83.13.252.226.

fjs226.internetdsl.tpnet.pl is an example of another host name that shares IP numbers with serwitech.com.

Name Servers

serwitech.com has two authoritative name servers — isaac.ns.cloudflare.com and vera.ns.cloudflare.com.

serwitech.com has the same name server delegation as a number of other domains, such as loix.net, transcribe-it.com, construent.com and two more.

There is at least partial name server overlap between serwitech.com and other domains — 2freeproxy.com, 709hs.com, christmass-hotsale.shop and two more among them.

Host names resolving to 6 IP numbers:

isaac.ns.cloudflare.com points to 108.162.193.177, 172.64.33.177, 173.245.59.177 and 3 other IP addresses.

vera.ns.cloudflare.com points to 108.162.192.147, 172.64.32.147, 173.245.58.147 and 3 other IP addresses.

Mail Servers

serwitech.com routes its mail through a single mail server, poczta.grzelewski.net.

serwitech.com and domains like stormshield.edu.pl share an identical mail server configuration.

serwitech.com and other domains — grzelewski.net for instance — share at least some mail servers.

poczta.grzelewski.net points to one IP number — 45.130.104.68.