sr-tech.com - dns.ninja

`sr-tech.com`

DNSSEC	⚠️ Not signed
A	50.116.56.88^{🇺🇸 AKAMAI-LINODE-AP50.116.48.0/20 Akamai Technologies}
		PTR	`ns1.sr-tech.com`
NS	`ns1.sr-tech.com` ⭐
		A	50.116.56.88^{🇺🇸 AKAMAI-LINODE-AP50.116.48.0/20 Akamai Technologies}
			PTR	`ns1.sr-tech.com`
NS	`ns2.sr-tech.com`
		A	45.79.168.59^{🇺🇸 AKAMAI-LINODE-AP45.79.160.0/20 Akamai Technologies}
			PTR	`ns2.sr-tech.com`
NS	`ns3.sr-tech.com` ⚠️ Not in zone NS records
		A	85.90.245.180^{🇩🇪 AKAMAI-LINODE-AP85.90.244.0/22 Akamai Technologies}
			PTR	`ns3.sr-tech.com`
MX	`smtp3.sr-tech.com` ⭐
		A	45.33.94.250^{🇺🇸 AKAMAI-LINODE-AP45.33.64.0/19 Akamai Technologies}
			PTR	`smtp3.sr-tech.com`
TXT	`v=spf1 ip4:10.20.0.110 ip4:45.33.94.250 ip4:172.104.10.117 a mx -all`
SOA	`ns1.sr-tech.com`hostmaster@sr-tech.com serial=202503438

`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=1781116168

Subdomains

ns2.sr-tech.com

ns3.sr-tech.com

dns2.sr-tech.com

dyndns.sr-tech.com

smtp3.sr-tech.com

time.sr-tech.com

www.sr-tech.com

host1.sr-tech.com

host974.sr-tech.com

host5.sr-tech.com

ns1.sr-tech.com

ns.sr-tech.com

incomming.sr-tech.com

dns.sr-tech.com

mail.sr-tech.com

Same first word

sr-tech.com

sr-tech.biz

sr-tech.eu

sr-tech.net

sr-tech.org

Similar names

s-recht.com

rs-tech.fr

rs-tech.pl

rs-tech.be

tre-sch.de

sh-cert.com

tech-sr.com

hrs-tec.com

rs-tech.eu

s-recht.de

crest-h.com

the-rcs.org

the-rsc.co.uk

sh-crte.com

rs-tech.org

het-rsc.nl

rs-tech.nl

rs-tech.info

rs-tech.net

rs-tech.com

rs-tech.at

rs-tech.ru

rs-tech.de

DNS History

11 records (5 active, 6 former)

○NSns.linuxsys.net2015-08-05 → 2016-12-04 · 5 obs

○ 2009-01-06 00:09:48
● 2015-08-05 13:59:40
● 2016-12-04 13:51:30
○ 2026-02-15 10:46:50
○ 2026-06-10 18:52:06

○NSns.sr-tech.com2009-01-06 → 2009-01-06 · 3 obs

● 2009-01-06 00:09:48
○ 2015-08-05 13:59:40
○ 2026-06-10 18:52:06

●NSns1.sr-tech.com2026-02-15 → 2026-06-10 · 3 obs

○ 2016-12-04 13:51:30
● 2026-02-15 10:46:50
● 2026-06-10 18:52:06

○NSns2.linuxsys.net2009-01-06 → 2009-01-06 · 3 obs

● 2009-01-06 00:09:48
○ 2015-08-05 13:59:40
○ 2026-06-10 18:52:06

●NSns2.sr-tech.com2026-02-15 → 2026-06-10 · 3 obs

○ 2016-12-04 13:51:30
● 2026-02-15 10:46:50
● 2026-06-10 18:52:06

●NSns3.sr-tech.com2026-02-15 → 2026-06-10 · 3 obs

○ 2016-12-04 13:51:30
● 2026-02-15 10:46:50
● 2026-06-10 18:52:06

○MXmail.sr-tech.com2009-01-06 → 2016-12-04 · 4 obs

● 2009-01-06 00:09:48
● 2016-12-04 13:51:30
○ 2026-02-15 10:46:50
○ 2026-06-10 18:52:06

○MXmail2.sr-tech.com2009-01-06 → 2016-12-04 · 4 obs

● 2009-01-06 00:09:48
● 2016-12-04 13:51:30
○ 2026-02-15 10:46:50
○ 2026-06-10 18:52:06

●MXsmtp3.sr-tech.com2026-02-15 → 2026-06-10 · 3 obs

○ 2016-12-04 13:51:30
● 2026-02-15 10:46:50
● 2026-06-10 18:52:06

●A50.116.56.882026-02-15 → 2026-06-10 · 3 obs

○ 2016-12-04 13:51:30
● 2026-02-15 10:46:50
● 2026-06-10 18:52:06

○A96.56.22.662009-01-06 → 2016-12-04 · 4 obs

● 2009-01-06 00:09:48
● 2016-12-04 13:51:30
○ 2026-02-15 10:46:50
○ 2026-06-10 18:52:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, h.gtld-servers.net, l.gtld-servers.net, j.gtld-servers.net...	-
sr-tech.com	ns1.sr-tech.com, ns2.sr-tech.com, ns3.sr-tech.com	3 records

✅ Authoritative Response

Server:45.79.168.59

NS records: ns1.sr-tech.com, ns2.sr-tech.com, ns3.sr-tech.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sr-tech.com (unsigned zone)

⏱️ Timing

Total: 486ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`50.116.56.88`
NS	2	`ns1.sr-tech.com, ns2.sr-tech.com`
MX	1	`smtp3.sr-tech.com (pri: 5)`
TXT	1	`v=spf1 ip4:10.20.0.110 ip4:45.33.94.250`
SOA	1	`ns1.sr-tech.com hostmaster.sr-tech.com`

📌 Glue Records Collected

Total: 3

In-bailiwick: 3 (ns1.sr-tech.com, ns2.sr-tech.com, ns3.sr-tech.com)

Analysis

Hierarchy

Among the subdomains of sr-tech.com are ns2.sr-tech.com, ns3.sr-tech.com, dns2.sr-tech.com, dyndns.sr-tech.com, smtp3.sr-tech.com and a few other host names.

IP Addresses

sr-tech.com resolves to one IP address: 50.116.56.88.

Other host names, for instance ns1.sr-tech.com, dns.sr-tech.com and dyndns.sr-tech.com share IP numbers with sr-tech.com.

Name Servers

DNS for sr-tech.com is handled by three authoritative name servers: ns1.sr-tech.com, ns2.sr-tech.com and ns3.sr-tech.com.

There is at least partial name server overlap between sr-tech.com and other domains — svralert.com, sr4.org, r4.io and two more among them.

These name servers are routinely deployed together with the name servers ns.sr-tech.com.

ns1.sr-tech.com, ns2.sr-tech.com and ns3.sr-tech.com all have one IP address each — ns1.sr-tech.com directs to 50.116.56.88, ns2.sr-tech.com directs to 45.79.168.59 and ns3.sr-tech.com directs to 85.90.245.180.

Mail Servers

Mail for sr-tech.com is handled by a single mail server, smtp3.sr-tech.com.

smtp3.sr-tech.com has exactly one IP number: 45.33.94.250.