`inos1.com`

DNSSEC	⚠️ Not signed
A	87.120.200.45^{🇧🇬 NETERRA-AS87.120.200.0/24}
		PTR	`serdi.inos1.com`
NS	`purgatory.spnet.net` ⭐ ⚠️ Not in zone NS records
		A	212.50.0.15^{🇧🇬 A1BG212.50.0.0/19 Spectrum NET PA space}
			PTR	`ns2.a1hosting.bg`
NS	`ns.spnet.net` ⚠️ Not in zone NS records
		A	212.50.0.10^{🇧🇬 A1BG212.50.0.0/19 Spectrum NET PA space}
			PTR	`ns1.a1hosting.bg`
NS	`ns1.a1hosting.bg` ⚠️ Not in parent delegation
		A	212.50.0.10^{🇧🇬 A1BG212.50.0.0/19 Spectrum NET PA space}
			PTR	`ns1.a1hosting.bg`
NS	`ns2.a1hosting.bg` ⚠️ Not in parent delegation
		A	212.50.0.15^{🇧🇬 A1BG212.50.0.0/19 Spectrum NET PA space}
			PTR	`ns2.a1hosting.bg`
MX	`mail.inos1.com` ⭐
		A	87.120.200.45^{🇧🇬 NETERRA-AS87.120.200.0/24}
			PTR	`serdi.inos1.com`
TXT	`v=spf1 +a +mx a:mail.inos1.com ip4:87.120.200.45 ~all`
SOA	`purgatory.spnet.net`sysadmin@spnet.net 2026-04-13 #1

`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=1778815561

WOT: SAFE (60/100)

Subdomains

serdi.inos1.com

mail.inos1.com

Same first word

inos1.com

Similar names

sino1.com.tw

soni1.cl

DNS History

10 records (6 active, 4 former)

●NSns.spnet.net2015-06-30 → 2026-05-15 · 2 obs

● 2015-06-30 16:28:20
● 2026-05-15 03:56:06

●NSns1.a1hosting.bg2026-02-15 → 2026-05-15 · 3 obs

○ 2015-06-30 16:28:20
● 2026-02-15 01:48:44
● 2026-05-15 03:56:06

●NSns2.a1hosting.bg2026-02-15 → 2026-05-15 · 3 obs

○ 2015-06-30 16:28:20
● 2026-02-15 01:48:44
● 2026-05-15 03:56:06

●NSpurgatory.spnet.net2015-06-30 → 2026-05-15 · 2 obs

● 2015-06-30 16:28:20
● 2026-05-15 03:56:06

○MXinos-1.inos1.com2015-06-30 → 2016-10-28 · 4 obs

● 2015-06-30 16:28:20
● 2016-10-28 01:51:00
○ 2026-02-15 01:48:44
○ 2026-05-15 03:56:06

●MXmail.inos1.com2026-02-15 → 2026-05-15 · 3 obs

○ 2016-10-28 01:51:00
● 2026-02-15 01:48:44
● 2026-05-15 03:56:06

○MXmx2.inos1.com2015-06-30 → 2016-04-19 · 4 obs

● 2015-06-30 16:28:20
● 2016-04-19 10:39:18
○ 2016-10-28 01:51:00
○ 2026-05-15 03:56:06

○A195.149.254.822015-06-30 → 2016-10-28 · 4 obs

● 2015-06-30 16:28:20
● 2016-10-28 01:51:00
○ 2026-02-15 01:48:44
○ 2026-05-15 03:56:06

○A195.34.100.212026-02-15 → 2026-02-16 · 5 obs

○ 2016-10-28 01:51:00
● 2026-02-15 01:48:44
● 2026-02-16 08:26:26
○ 2026-03-23 21:01:24
○ 2026-05-15 03:56:06

●A87.120.200.452026-03-23 → 2026-05-15 · 3 obs

○ 2026-02-16 08:26:26
● 2026-03-23 21:01:24
● 2026-05-15 03:56:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, a.gtld-servers.net, l.gtld-servers.net, h.gtld-servers.net...	-
inos1.com	ns.spnet.net, purgatory.spnet.net	-

✅ Authoritative Response

Server:212.50.0.10

NS records: ns.spnet.net, purgatory.spnet.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for inos1.com (unsigned zone)

⏱️ Timing

Total: 667ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`87.120.200.45`
NS	2	`ns1.a1hosting.bg, ns2.a1hosting.bg`
MX	1	`mail.inos1.com (pri: 1)`
TXT	1	`v=spf1 +a +mx a:mail.inos1.com ip4:87.12`
SOA	1	`purgatory.spnet.net sysadmin.spnet.net`

Analysis

Hierarchy

inos1.com is parent of serdi.inos1.com and mail.inos1.com.

IP Addresses

inos1.com points to a single IP: 87.120.200.45.

Other host names, for instance mail.inos1.com, share IP numbers with inos1.com.

Name Servers

inos1.com is delegated to four name servers: ns1.a1hosting.bg, ns2.a1hosting.bg, ns.spnet.net and purgatory.spnet.net.

inos1.com at least partially shares its name servers with other domains, for instance 31.12.176.in-addr.arpa, 14.12.176.in-addr.arpa, 12.34.194.in-addr.arpa, 59.169.213.in-addr.arpa and 86.247.92.in-addr.arpa.

These name servers are commonly used with ns1.btc-net.bg, ns1.nug.bg, ns2.nug.bg, ns1.bulgartel.bg, ns2.evolink.net, enterprise.tu-sofia.bg and ns.tu-sofia.bg.

Host names with a single IP address:

ns1.a1hosting.bg and ns.spnet.net point to 212.50.0.10; ns2.a1hosting.bg and purgatory.spnet.net point to 212.50.0.15.

Mail Servers

inos1.com is served by a single mail server, mail.inos1.com.

mail.inos1.com points to IP number 87.120.200.45.

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