sp-tec.com - dns.ninja

`sp-tec.com`

DNSSEC	⚠️ Not signed
A	85.131.221.28^{🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc.}
		PTR	`sv17067.xserver.jp`
NS	`ns1.xserver.jp` ⭐
		A	202.226.36.164^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
		A	202.226.36.170^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
		A	202.226.36.246^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns1.xserver.jp`
NS	`ns2.xserver.jp`
		A	35.72.43.26^{🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix}
			PTR	`ns2.xserver.jp`
NS	`ns3.xserver.jp`
		A	202.226.36.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns3.xserver.jp`
NS	`ns4.xserver.jp`
		A	183.90.224.226^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
		A	183.90.224.230^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
		A	202.226.39.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns4.xserver.jp`
NS	`ns5.xserver.jp`
		A	157.112.182.218^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	157.112.182.220^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	202.226.37.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns5.xserver.jp`
MX	`sp-tec.com` ⭐
		A	85.131.221.28^{🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc.}
			PTR	`sv17067.xserver.jp`
TXT	`v=spf1 +a:sv17067.xserver.jp +a:sp-tec.com +mx include:spf.sender.xserver.jp ...`
SOA	`ns1.xserver.jp`root@xserver.jp serial=0

`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=1786257434

MX for

sp-tec.com

Same first word

sp-tec.com

sp-tec.ru

sp-tec.de

Similar names

t-spec.eu

c-step.com

ps-tec.ch

ps-tec.com

ps-tec.de

sc-pet.com

es-tcp.com

stp-ec.com

spec-t.ru

pc-set.de

cs-tep.org

spec-t.com

step-c.com

pc-set.com

tp-sec.de

spe-tc.fr

ec-pts.ru

c-step.jp

tec-ps.com

pc-set.ru

t-spec.com

t-spec.ru

DNS History

15 records (7 active, 8 former)

○NSns1.rsshserver.net2016-01-18 → 2016-12-27 · 5 obs

○ 2015-12-02 22:42:08
● 2016-01-18 14:02:38
● 2016-12-27 21:49:04
○ 2026-03-22 19:23:10
○ 2026-08-09 06:56:34

○NSns1.secure.net2015-07-25 → 2015-12-02 · 4 obs

● 2015-07-25 12:49:06
● 2015-12-02 22:42:08
○ 2016-01-18 14:02:38
○ 2026-08-09 06:56:34

●NSns1.xserver.jp2026-03-22 → 2026-08-09 · 3 obs

○ 2016-12-27 21:49:04
● 2026-03-22 19:23:10
● 2026-08-09 06:56:34

○NSns2.rsshserver.net2016-01-18 → 2016-12-27 · 5 obs

○ 2015-12-02 22:42:08
● 2016-01-18 14:02:38
● 2016-12-27 21:49:04
○ 2026-03-22 19:23:10
○ 2026-08-09 06:56:34

○NSns2.secure.net2015-07-25 → 2015-12-02 · 4 obs

● 2015-07-25 12:49:06
● 2015-12-02 22:42:08
○ 2016-01-18 14:02:38
○ 2026-08-09 06:56:34

●NSns2.xserver.jp2026-03-22 → 2026-08-09 · 3 obs

○ 2016-12-27 21:49:04
● 2026-03-22 19:23:10
● 2026-08-09 06:56:34

●NSns3.xserver.jp2026-03-22 → 2026-08-09 · 3 obs

○ 2016-12-27 21:49:04
● 2026-03-22 19:23:10
● 2026-08-09 06:56:34

●NSns4.xserver.jp2026-03-22 → 2026-08-09 · 3 obs

○ 2016-12-27 21:49:04
● 2026-03-22 19:23:10
● 2026-08-09 06:56:34

●NSns5.xserver.jp2026-03-22 → 2026-08-09 · 3 obs

○ 2016-12-27 21:49:04
● 2026-03-22 19:23:10
● 2026-08-09 06:56:34

○MXmx.sp-tec.com2016-01-18 → 2016-12-27 · 5 obs

○ 2015-12-02 22:42:08
● 2016-01-18 14:02:38
● 2016-12-27 21:49:04
○ 2026-03-22 19:23:10
○ 2026-08-09 06:56:34

●MXsp-tec.com2015-07-25 → 2026-08-09 · 6 obs

● 2015-07-25 12:49:06
● 2015-12-02 22:42:08
○ 2016-01-18 14:02:38
○ 2016-12-27 21:49:04
● 2026-03-22 19:23:10
● 2026-08-09 06:56:34

○A162.43.121.1142026-03-22 → 2026-03-22 · 3 obs

○ 2016-12-27 21:49:04
● 2026-03-22 19:23:10
○ 2026-08-09 06:56:34

○A205.212.163.2142015-07-25 → 2015-12-02 · 4 obs

● 2015-07-25 12:49:06
● 2015-12-02 22:42:08
○ 2016-01-18 14:02:38
○ 2026-08-09 06:56:34

○A211.13.196.1562016-01-18 → 2016-12-27 · 5 obs

○ 2015-12-02 22:42:08
● 2016-01-18 14:02:38
● 2016-12-27 21:49:04
○ 2026-03-22 19:23:10
○ 2026-08-09 06:56:34

●A85.131.221.282026-08-09 → 2026-08-09 · 2 obs

○ 2026-03-22 19:23:10
● 2026-08-09 06:56:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sp-tec.com	ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...	-

✅ Authoritative Response

Server:183.90.224.226

NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sp-tec.com (unsigned zone)

⏱️ Timing

Total: 1148ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.131.221.28`
NS	5	`ns2.xserver.jp, ns4.xserver.jp...`
MX	1	`sp-tec.com (pri: 0)`
TXT	1	`v=spf1 +a:sv17067.xserver.jp +a:sp-tec.c`
SOA	1	`ns1.xserver.jp root.xserver.jp`

Analysis

Mail Server Role

sp-tec.com handles its own mail, functioning as its own mail server.

IP Addresses

sp-tec.com resolves to just one IP address, 85.131.221.28.

Two other host names, along with tegonavi.com, gdrr.org and sv17067.xserver.jp, also share IP numbers with sp-tec.com.

Name Servers

sp-tec.com delegates to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

sp-tec.com shares at least some of its name servers with other domains, including uchikuru-k.com, liver-venus.com, hedgefund-direct.net and two others.

These name servers are frequently paired with the name servers ns4.xserver.jp and ns5.xserver.jp.

Hostnames that map to three IP numbers:

ns1.xserver.jp resolves to three addresses: 202.226.36.164, 202.226.36.170 and 202.226.36.246.

ns4.xserver.jp resolves to three addresses: 183.90.224.226, 183.90.224.230 and 202.226.39.247.

ns5.xserver.jp resolves to three addresses: 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Host names that point to one IP address:

ns2.xserver.jp points to the IP address 35.72.43.26.

ns3.xserver.jp points to the IP address 202.226.36.247.

Mail Servers

sp-tec.com is served by just one mail server: sp-tec.com.

There is one IP number for sp-tec.com: 85.131.221.28.