`expert-estimates.com`

DNSSEC	⚠️ Not signed
A	144.76.85.240^{🇩🇪 Hetzner144.76.0.0/16 HETZNER-RZ-BLK-ERX1}
		PTR	`server3.bisnet-dns.net`
NS	`master.bisnet-dns.net` ⭐
		A	95.216.149.58^{🇫🇮 Hetzner95.216.0.0/16 HETZNER-DC}
			PTR	`smtp5.bisnet.co.za`
NS	`slave.bisnet-dns.net`
		A	88.198.154.19^{🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4}
			PTR	`smtp4.bisnet.co.za`
TXT	`v=spf1 a mx a:expert-estimates.com a:smtp.bisnet.co.za ip4:144.76.85.240 -all`
SOA	`master.bisnet-dns.net`root@master.bisnet-dns.net serial=1664277069

`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=1774505977

Subdomains

mail.expert-estimates.com

DNS History

5 records (3 active, 2 former)

●NSmaster.bisnet-dns.net2015-07-14 → 2026-03-26 · 2 obs

● 2015-07-14 05:46:00
● 2026-03-26 06:27:34

●NSslave.bisnet-dns.net2015-07-14 → 2026-03-26 · 2 obs

● 2015-07-14 05:46:00
● 2026-03-26 06:27:34

○MXmail.expert-estimates.com2015-07-14 → 2019-02-22 · 3 obs

● 2015-07-14 05:46:00
● 2019-02-22 11:49:08
○ 2026-03-26 06:27:34

●A144.76.85.2402026-03-26 → 2026-03-26 · 2 obs

○ 2019-02-22 11:49:08
● 2026-03-26 06:27:34

○A78.46.98.512015-07-14 → 2019-02-22 · 3 obs

● 2015-07-14 05:46:00
● 2019-02-22 11:49:08
○ 2026-03-26 06:27:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, k.gtld-servers.net, m.gtld-servers.net, i.gtld-servers.net...	-
expert-estimates.com	slave.bisnet-dns.net, master.bisnet-dns.net	-

✅ Authoritative Response

Server:88.198.154.19

NS records: slave.bisnet-dns.net, master.bisnet-dns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for expert-estimates.com (unsigned zone)

⏱️ Timing

Total: 731ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`144.76.85.240`
NS	2	`slave.bisnet-dns.net, master.bisnet-dns.net`
TXT	1	`v=spf1 a mx a:expert-estimates.com a:smt`
SOA	1	`master.bisnet-dns.net root.master.bisnet`

Analysis

Hierarchy

mail.expert-estimates.com has expert-estimates.com as its parent.

IP Addresses

expert-estimates.com maps to IP address 144.76.85.240.

Other host names, for instance blamich.co.za, mail.eclindustries.co.za, mail.capeflats.org.za, ourlifeinkruger.co.za and skillsmatters.com share IP numbers with expert-estimates.com.

Name Servers

Two name servers master.bisnet-dns.net and slave.bisnet-dns.net are delegated to expert-estimates.com.

expert-estimates.com uses the same name server configuration as other domains, such as peakerstrust.com, ricotrailers.co.za, ldsw.co.za, rosesinn.co.za and fastinfo.co.za.

expert-estimates.com at least partially shares name servers with other domains such as bisnet-dns.com, sardiwalla.co.za, wildtrail.co.za, afda.co.za and marxpipes.co.za.

These name servers are commonly used with otherns.bisnet-dns.com, otherns2.bisnet-dns.com, server3.bisnet-dns.net and server5.bisnet-dns.net.

Host names with a single IP address:

master.bisnet-dns.net points to 95.216.149.58

slave.bisnet-dns.net points to 88.198.154.19

expert-estimates.com - robtex.com