`rnicrosoftsecurity.com`

DNSSEC	⚠️ Not signed
A	144.91.70.75^{🇩🇪 CONTABO144.91.70.0/23}
		PTR	`vmi3024488.contaboserver.net`
NS	`ns1.contabo.net` ⭐
		A	2a02:c207:ff00:1200::1^{🇩🇪 CONTABO2a02:c207::/32}
		A	5.180.150.13^{🇺🇸 CONTABO5.180.150.0/24}
			PTR	`ns1.contabo.net`
NS	`ns2.contabo.net`
		A	2a02:c202:5028:1200::1^{🇩🇪 CONTABO2a02:c202::/32}
		A	195.179.224.10^{🇩🇪 CONTABO195.179.224.0/21}
			PTR	`ns2.contabo.net`
NS	`ns3.contabo.net`
		A	2605:a140:5028:1200::1^{🇺🇸 CONTABO-USA2605:a140::/32 710 N Tucker Blvd. STE 400A St. Louis MO 63101 United States}
		A	209.126.15.15^{🇺🇸 CONTABO-USA209.126.0.0/20 710 N Tucker Blvd. STE 400A St. Louis MO 63101 United States}
			PTR	`ns3.contabo.net`
MX	`mail.rnicrosoftsecurity.com` ⭐
		A	144.91.70.75^{🇩🇪 CONTABO144.91.70.0/23}
			PTR	`vmi3024488.contaboserver.net`
TXT	`v=spf1 mx ip4:144.91.70.75 -all`
SOA	`ns1.contabo.net`hostmaster@contabo.de serial=1774773994

`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=1774772427

⚠️ On DNS blocklist: tif

Subdomains

www.rnicrosoftsecurity.com

Same first word

rnicrosoftsecurity.com

DNS History

10 records (5 active, 5 former)

●NSns1.contabo.net2026-03-06 → 2026-03-29 · 3 obs

○ 2018-07-21 19:57:18
● 2026-03-06 02:43:08
● 2026-03-29 08:46:34

●NSns2.contabo.net2026-03-06 → 2026-03-29 · 3 obs

○ 2018-07-21 19:57:18
● 2026-03-06 02:43:08
● 2026-03-29 08:46:34

●NSns3.contabo.net2026-03-06 → 2026-03-29 · 3 obs

○ 2018-07-21 19:57:18
● 2026-03-06 02:43:08
● 2026-03-29 08:46:34

○NSns43.domaincontrol.com2016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 22:47:24
○ 2018-07-21 19:57:18
○ 2026-03-29 08:46:34

○NSns44.domaincontrol.com2016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 22:47:24
○ 2018-07-21 19:57:18
○ 2026-03-29 08:46:34

●MXmail.rnicrosoftsecurity.com2026-03-06 → 2026-03-29 · 3 obs

○ 2018-07-21 19:57:18
● 2026-03-06 02:43:08
● 2026-03-29 08:46:34

○MXmailstore1.secureserver.net2016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 22:47:24
○ 2018-07-21 19:57:18
○ 2026-03-29 08:46:34

○MXsmtp.secureserver.net2016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 22:47:24
○ 2018-07-21 19:57:18
○ 2026-03-29 08:46:34

●A144.91.70.752026-03-06 → 2026-03-29 · 3 obs

○ 2018-07-21 19:57:18
● 2026-03-06 02:43:08
● 2026-03-29 08:46:34

○A184.168.221.372016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 22:47:24
○ 2018-07-21 19:57:18
○ 2026-03-29 08:46:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, b.gtld-servers.net, m.gtld-servers.net, d.gtld-servers.net...	-
rnicrosoftsecurity.com	ns1.contabo.net, ns2.contabo.net, ns3.contabo.net	-

✅ Authoritative Response

Server:5.180.150.13

NS records: ns1.contabo.net, ns2.contabo.net, ns3.contabo.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rnicrosoftsecurity.com (unsigned zone)

⏱️ Timing

Total: 471ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`144.91.70.75`
NS	3	`ns1.contabo.net, ns3.contabo.net...`
MX	1	`mail.rnicrosoftsecurity.com (pri: 10)`
TXT	1	`v=spf1 mx ip4:144.91.70.75 -all`
SOA	1	`ns1.contabo.net hostmaster.contabo.de`

Analysis

Hierarchy

www.rnicrosoftsecurity.com is a child of rnicrosoftsecurity.com.

IP Addresses

rnicrosoftsecurity.com resolves to one IP number: 144.91.70.75.

Other host names, for example www.rnicrosoftsecurity.com, share IP numbers with rnicrosoftsecurity.com.

Name Servers

rnicrosoftsecurity.com is delegated to three name servers: ns1.contabo.net, ns2.contabo.net and ns3.contabo.net.

rnicrosoftsecurity.com at least partially shares name servers with other domains, including vastore.nl, christoph-scheiner.de, bytual.com, 223.202.185.in-addr.arpa and euroset.by.

Host names with two IP numbers:

ns1.contabo.net: 2a02:c207:ff00:1200::1 and 5.180.150.13

ns2.contabo.net: 2a02:c202:5028:1200::1 and 195.179.224.10

ns3.contabo.net: 2605:a140:5028:1200::1 and 209.126.15.15

Mail Servers

A single mail server handles rnicrosoftsecurity.com, mail.rnicrosoftsecurity.com.

Host name mail.rnicrosoftsecurity.com resolves to a single IP: 144.91.70.75.

rnicrosoftsecurity.com - robtex.com