`smart2biz.com`

DNSSEC	⚠️ Not signed
A	213.157.14.85^{🇩🇪 ENTEGAMEDIANET213.157.0.0/19 ENTEGA Medianet GmbH}
		PTR	`kundenserver.all4net.de`
NS	`ns2.all4net.de` ⭐
		A	92.79.40.213^{🇩🇪 VODANET92.72.0.0/13 ARCOR-IP}
NS	`ns1.all4net.de`
		A	213.157.14.85^{🇩🇪 ENTEGAMEDIANET213.157.0.0/19 ENTEGA Medianet GmbH}
			PTR	`kundenserver.all4net.de`
MX	`mail.smart2biz.com` ⭐
		A	213.157.14.85^{🇩🇪 ENTEGAMEDIANET213.157.0.0/19 ENTEGA Medianet GmbH}
			PTR	`kundenserver.all4net.de`
SOA	`ns2.all4net.de`kunde\@a4n-domains.all4net.de 2022-01-18 #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=1775964677

Subdomains

mail.smart2biz.com

Same first word

smart2biz.eu

smart2biz.com

smart2biz.de

DNS History

8 records (4 active, 4 former)

●NSns1.all4net.de2015-07-26 → 2026-04-12 · 2 obs

● 2015-07-26 07:35:26
● 2026-04-12 03:44:42

●NSns2.all4net.de2015-07-26 → 2026-04-12 · 2 obs

● 2015-07-26 07:35:26
● 2026-04-12 03:44:42

●MXmail.smart2biz.com2026-03-04 → 2026-04-12 · 3 obs

○ 2017-03-25 15:23:10
● 2026-03-04 17:40:38
● 2026-04-12 03:44:42

○MXmailer.all4net.de2017-03-25 → 2017-03-25 · 4 obs

○ 2016-06-30 14:56:34
● 2017-03-25 15:23:10
○ 2026-03-04 17:40:38
○ 2026-04-12 03:44:42

○MXmailfilter.all4net.de2015-07-26 → 2016-06-30 · 4 obs

● 2015-07-26 07:35:26
● 2016-06-30 14:56:34
○ 2017-03-25 15:23:10
○ 2026-04-12 03:44:42

○A145.253.246.1152017-03-25 → 2017-03-25 · 4 obs

○ 2016-06-30 14:56:34
● 2017-03-25 15:23:10
○ 2026-03-04 17:40:38
○ 2026-04-12 03:44:42

●A213.157.14.852026-03-04 → 2026-04-12 · 3 obs

○ 2017-03-25 15:23:10
● 2026-03-04 17:40:38
● 2026-04-12 03:44:42

○A62.55.180.2342015-07-26 → 2016-06-30 · 4 obs

● 2015-07-26 07:35:26
● 2016-06-30 14:56:34
○ 2017-03-25 15:23:10
○ 2026-04-12 03:44:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, f.gtld-servers.net, e.gtld-servers.net, b.gtld-servers.net...	-
smart2biz.com	ns1.all4net.de, ns2.all4net.de	-

✅ Authoritative Response

Server:213.157.14.85

NS records: ns1.all4net.de, ns2.all4net.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for smart2biz.com (unsigned zone)

⏱️ Timing

Total: 616ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`213.157.14.85`
NS	2	`ns1.all4net.de, ns2.all4net.de`
MX	1	`mail.smart2biz.com (pri: 10)`
SOA	1	`ns2.all4net.de kunde\.a4n-domains.all4ne`

Analysis

Hierarchy

The parent of mail.smart2biz.com is smart2biz.com.

IP Addresses

smart2biz.com points to a single IP: 213.157.14.85.

Other host names, for instance mail.blickts.de, mail.patmai.de, mail.yamai.de, all4net.de and mail.siframo.com share IP numbers with smart2biz.com.

Name Servers

Two name servers ns1.all4net.de and ns2.all4net.de handle delegation for smart2biz.com.

smart2biz.com uses the same name server setup as other domains, for example sikla.com, all4net.de, futurenight.de, sikla.eu and kleinert-hydro.de.

Host names with one IP number: The host name ns1.all4net.de points to 213.157.14.85 and the host name ns2.all4net.de points to 92.79.40.213.

Mail Servers

smart2biz.com is handled by a single mail server, mail.smart2biz.com.

mail.smart2biz.com points to a single IP: 213.157.14.85.

smart2biz.com - robtex.com

smart2biz.com

com