`masterbuild-bg.com`

DNSSEC	⚠️ Not signed
A	185.45.67.217^{🇧🇬 SUPERHOSTING_AS185.45.66.0/23 SUPERHOSTINGBG ROUTE OBJECT}
		PTR	`host-185-45-67-217.superhosting.bg`
NS	`ns157.superhosting.bg` ⭐ ⚠️ Not in parent delegation
		A	164.138.218.11^{🇧🇬 SUPERHOSTING_AS164.138.218.0/23 SUPERHOSTINGBG ROUTE OBJECT}
			PTR	`ns157.superhosting.bg`
NS	`ns1.zen.r1servers.com` ⚠️ Not in zone NS records
		A	164.138.218.11^{🇧🇬 SUPERHOSTING_AS164.138.218.0/23 SUPERHOSTINGBG ROUTE OBJECT}
			PTR	`ns157.superhosting.bg`
NS	`ns158.superhosting.bg` ⚠️ Not in parent delegation
		A	164.138.219.11^{🇧🇬 SUPERHOSTING_AS164.138.218.0/23 SUPERHOSTINGBG ROUTE OBJECT}
			PTR	`zenhb.superhosting.bg`
NS	`ns2.zen.r1servers.com` ⚠️ Not in zone NS records
		A	164.138.219.11^{🇧🇬 SUPERHOSTING_AS164.138.218.0/23 SUPERHOSTINGBG ROUTE OBJECT}
			PTR	`zenhb.superhosting.bg`
MX	`masterbuild-bg.com` ⭐
		A	185.45.67.217^{🇧🇬 SUPERHOSTING_AS185.45.66.0/23 SUPERHOSTINGBG ROUTE OBJECT}
			PTR	`host-185-45-67-217.superhosting.bg`
TXT	`v=spf1 +a +mx +ip4:164.138.218.11 +ip4:164.138.219.11 +include:zenhb.spf.supe...`
SOA	`ns157.superhosting.bg`monitoring@superhosting.bg 2026-02-26 #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=1774531507

MX for

masterbuild-bg.com

Same first word

masterbuild-bg.com

DNS History

7 records (6 active, 1 former)

●NSns1.zen.r1servers.com2015-05-23 → 2026-03-26 · 5 obs

● 2015-05-23 14:10:30
● 2017-04-09 07:23:44
○ 2020-03-12 09:14:54
● 2026-03-26 13:38:02
● 2026-03-26 13:38:04

●NSns157.superhosting.bg2020-03-12 → 2026-03-26 · 3 obs

○ 2017-04-09 07:23:44
● 2020-03-12 09:14:54
● 2026-03-26 13:38:04

●NSns158.superhosting.bg2020-03-12 → 2026-03-26 · 3 obs

○ 2017-04-09 07:23:44
● 2020-03-12 09:14:54
● 2026-03-26 13:38:04

●NSns2.zen.r1servers.com2015-05-23 → 2026-03-26 · 5 obs

● 2015-05-23 14:10:30
● 2017-04-09 07:23:44
○ 2020-03-12 09:14:54
● 2026-03-26 13:38:02
● 2026-03-26 13:38:04

●MXmasterbuild-bg.com2015-05-23 → 2026-03-26 · 2 obs

● 2015-05-23 14:10:30
● 2026-03-26 13:38:04

●A185.45.67.2172020-03-12 → 2026-03-26 · 3 obs

○ 2017-04-09 07:23:44
● 2020-03-12 09:14:54
● 2026-03-26 13:38:04

○A82.119.92.22015-05-23 → 2017-04-09 · 4 obs

● 2015-05-23 14:10:30
● 2017-04-09 07:23:44
○ 2020-03-12 09:14:54
○ 2026-03-26 13:38:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, l.gtld-servers.net, i.gtld-servers.net, a.gtld-servers.net...	-
masterbuild-bg.com	ns1.zen.r1servers.com, ns2.zen.r1servers.com	2 records

✅ Authoritative Response

Server:164.138.218.11

NS records: ns1.zen.r1servers.com, ns2.zen.r1servers.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for masterbuild-bg.com (unsigned zone)

⏱️ Timing

Total: 420ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.45.67.217`
NS	2	`ns157.superhosting.bg, ns158.superhosting.bg`
MX	1	`masterbuild-bg.com (pri: 0)`
TXT	1	`v=spf1 +a +mx +ip4:164.138.218.11 +ip4:1`
SOA	1	`ns157.superhosting.bg monitoring.superho`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.zen.r1servers.com, ns2.zen.r1servers.com)

Analysis

Mail Server Role

masterbuild-bg.com is the mail server for masterbuild-bg.com.

IP Addresses

masterbuild-bg.com resolves to a single IP: 185.45.67.217.

Other host names, for instance mail.zerodegreezdesign.com, pijami.eu, penelopagroup.com, silviachaneva.eu and mail.sassin-bg.com share IP numbers with masterbuild-bg.com.

Name Servers

masterbuild-bg.com is delegated to four name servers: ns157.superhosting.bg, ns158.superhosting.bg, ns1.zen.r1servers.com and ns2.zen.r1servers.com.

masterbuild-bg.com shares some name servers with other domains, for example leticity.com, central-finance.eu, bodrost.com, travelive.eu and sandanski-4ou.com.

These name servers are commonly used together with ns1.chi.r1servers.com and ns2.chi.r1servers.com.

Host names with a single IP:

ns157.superhosting.bg points to 164.138.218.11

ns158.superhosting.bg points to 164.138.219.11

ns1.zen.r1servers.com points to 164.138.218.11

ns2.zen.r1servers.com points to 164.138.219.11

Host names pointing to 164.138.218.11: ns157.superhosting.bg and ns1.zen.r1servers.com

Host names pointing to 164.138.219.11: ns158.superhosting.bg and ns2.zen.r1servers.com

Mail Servers

One mail server handles masterbuild-bg.com.

Host name masterbuild-bg.com points to IP 185.45.67.217.

masterbuild-bg.com - robtex.com