`simplexsystems.bg`

DNSSEC	⚠️ Not signed
A	185.45.67.80^{🇧🇬 SUPERHOSTING_AS185.45.66.0/23 SUPERHOSTINGBG ROUTE OBJECT}
		PTR	`host-185-45-67-80.superhosting.bg`
NS	`redirns1.bgdns.net` ⭐
		A	87.120.40.31^{🇧🇬 SUPERHOSTING_AS87.120.40.0/24 SuperHosting.BG Ltd.}
			PTR	`redirns1.bgdns.net`
NS	`redirns2.bgdns.net`
		A	37.58.63.210^{🇩🇪 LEASEWEB-DE-FRA-1037.58.48.0/20 routed via LeaseWeb DE}
MX	`mx1.mtaroutes.com` ⭐
		A	2001:550:2:78::ca:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
			PTR	`fe3-r2-in.atl06.l.antispamcloud.com`
		A	38.89.254.156^{🇺🇸 AS1663338.89.254.0/23}
			PTR	`fe1-r2-in.ch03.l.antispamcloud.com`
MX	`mx2.mtaroutes.com`⁽²⁰⁾
		A	2001:550:2:61::2fc:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
		A	38.89.254.156^{🇺🇸 AS1663338.89.254.0/23}
			PTR	`fe1-r2-in.ch03.l.antispamcloud.com`
MX	`mx3.mtaroutes.com`⁽³⁰⁾
		A	2001:550:2:3::62:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
			PTR	`fe2-r2-in.la10.l.antispamcloud.com`
		A	38.71.16.244^{🇺🇸 AS1663338.71.16.0/24}
			PTR	`fe2-r2-in.la10.l.antispamcloud.com`
MX	`mx4.mtaroutes.com`⁽⁴⁰⁾
		A	2001:550:2:78::ca:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
			PTR	`fe3-r2-in.atl06.l.antispamcloud.com`
		A	38.101.250.150^{🇺🇸 AS1663338.101.250.0/24}
			PTR	`fe3-r2-in.atl06.l.antispamcloud.com`
TXT	`MS=0C37734650DAA43DA51A1668A6CA2970B4EA34D0`
TXT	`nf5pgzd0p3mlrxjmgz37t5wxtb51pdgd`
TXT	`google-site-verification=o8N47HYEmGDOaxdZrFVXXuAMkwb2ANE9rnFE7K_8Xb4`
TXT	`v=spf1 mx a:mail.simplexsystems.bg ip4:31.13.228.56 -all`
SOA	`redirns1.bgdns.net`hostmaster@superhosting.bg 2018-02-27 #59

`bg`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nic.bg` ⭐
	NS	`b.nic.bg`
	NS	`c.nic.bg`
	NS	`d.nic.bg`
	NS	`e.nic.bg`
	NS	`p.nic.bg`
	SOA	`a.nic.bg`hostmaster@register.bg 2026-03-27 #4

Subdomains

mail.simplexsystems.bg

Same first word

simplexsystems.bg

simplexsystems.cn

DNS History

7 records (7 active, 0 former)

●NSredirns1.bgdns.net2026-02-27 → 2026-03-27 · 2 obs

● 2026-02-27 10:21:06
● 2026-03-27 04:31:16

●NSredirns2.bgdns.net2026-02-27 → 2026-03-27 · 2 obs

● 2026-02-27 10:21:06
● 2026-03-27 04:31:16

●MXmx1.mtaroutes.com2026-02-27 → 2026-03-27 · 2 obs

● 2026-02-27 10:21:06
● 2026-03-27 04:31:16

●MXmx2.mtaroutes.com2026-02-27 → 2026-03-27 · 2 obs

● 2026-02-27 10:21:06
● 2026-03-27 04:31:16

●MXmx3.mtaroutes.com2026-02-27 → 2026-03-27 · 2 obs

● 2026-02-27 10:21:06
● 2026-03-27 04:31:16

●MXmx4.mtaroutes.com2026-02-27 → 2026-03-27 · 2 obs

● 2026-02-27 10:21:06
● 2026-03-27 04:31:16

●A185.45.67.802026-02-27 → 2026-03-27 · 2 obs

● 2026-02-27 10:21:06
● 2026-03-27 04:31:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
bg	a.nic.bg, b.nic.bg, c.nic.bg, d.nic.bg...	12 records
simplexsystems.bg	redirns2.bgdns.net, redirns1.bgdns.net	-

✅ Authoritative Response

Server:87.120.40.31

NS records: redirns2.bgdns.net, redirns1.bgdns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simplexsystems.bg (unsigned zone)

⏱️ Timing

Total: 972ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.45.67.80`
NS	2	`redirns1.bgdns.net, redirns2.bgdns.net`
MX	4	`mx1.mtaroutes.com (pri: 10), mx2.mtaroutes.com (pri: 20)...`
TXT	4	`nf5pgzd0p3mlrxjmgz37t5wxtb51pdgd, google-site-verification=o8N47HYEmGDOaxd...`
SOA	1	`redirns1.bgdns.net hostmaster.superhosti`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (a.nic.bg, a.nic.bg, b.nic.bg...)

Analysis

Hierarchy

simplexsystems.bg is the parent of mail.simplexsystems.bg.

IP Addresses

simplexsystems.bg resolves to one IP number: 185.45.67.80.

other host names including avioaid.com, metamorfica.net, pografik.com, alexandersabanov.bg and globalanalytics-bg.org share IP numbers with simplexsystems.bg.

Name Servers

simplexsystems.bg is delegated to two name servers redirns1.bgdns.net and redirns2.bgdns.net.

simplexsystems.bg shares the same name server setup as other domains, for instance e-rollplast.com, audioarte.eu, tsr.bg, kampusm.com and velkomiloev.com.