`mcbook.net`

DNSSEC	⚠️ Not signed
A	2a01:238:20a:202:1163::^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
		PTR	`wa3.rzone.de`
A	81.169.145.163^{🇩🇪 STRATO81.169.144.0/22 AG}
NS	`ns1.webmailer.de` ⭐
		A	2607:f1c0:fe:53:185:132:34:158^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns1.webmailer.de`
		A	185.132.34.158^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1.webmailer.de`
NS	`ns2.webmailer.de`
		A	217.160.80.158^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns2.webmailer.de`
MX	`smtpin.rzone.de` ⭐
		A	2a01:238:20a:202:50f0::1097^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
		A	81.169.145.97^{🇩🇪 STRATO81.169.144.0/22 AG}
			PTR	`smtpin.rzone.de`
SOA	`ns1.webmailer.de`hostmaster@strato-rz.de 2020-07-11 #13

`net`

	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=1774405127

Same first word

mcbook.biz

mcbook.mobi

mcbook.cn

mcbook.org

mcbook.eu

mcbook.co

mcbook.com

mcbook.net

mcbook.dk

mcbook.it

mcbook.de

Similar names

kbocom.com

mbcook.co.nz

cmbook.org

bookcm.com

bokcom.com

bookmc.com

mbocko.sk

bmcook.com

cmbook.com

kcboom.com

mbcook.net

mbcook.com

DNS History

8 records (5 active, 3 former)

●NSns1.webmailer.de2007-09-23 → 2026-03-25 · 2 obs

● 2007-09-23 05:34:14
● 2026-03-25 02:19:12

●NSns2.webmailer.de2007-09-23 → 2026-03-25 · 2 obs

● 2007-09-23 05:34:14
● 2026-03-25 02:19:12

○MXmailin.rzone.de2007-09-23 → 2007-09-23 · 3 obs

● 2007-09-23 05:34:14
○ 2015-07-22 10:06:26
○ 2026-03-25 02:19:12

○MXsmtp.rzone.de2015-07-22 → 2016-07-10 · 5 obs

○ 2007-09-23 05:34:14
● 2015-07-22 10:06:26
● 2016-07-10 11:38:08
○ 2026-03-01 00:09:04
○ 2026-03-25 02:19:12

●MXsmtpin.rzone.de2026-03-01 → 2026-03-25 · 3 obs

○ 2016-07-10 11:38:08
● 2026-03-01 00:09:04
● 2026-03-25 02:19:12

●A2a01:238:20a:202:1163::2015-07-22 → 2026-03-25 · 3 obs

○ 2007-09-23 05:34:14
● 2015-07-22 10:06:26
● 2026-03-25 02:19:12

●A81.169.145.1632015-07-22 → 2026-03-25 · 3 obs

○ 2007-09-23 05:34:14
● 2015-07-22 10:06:26
● 2026-03-25 02:19:12

○A81.169.145.752007-09-23 → 2007-09-23 · 3 obs

● 2007-09-23 05:34:14
○ 2015-07-22 10:06:26
○ 2026-03-25 02:19:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net...	-
mcbook.net	ns2.webmailer.de, ns1.webmailer.de	-

✅ Authoritative Response

Server:185.132.34.158

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mcbook.net (unsigned zone)

⏱️ Timing

Total: 755ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.169.145.163`
AAAA	1	`2a01:238:20a:202:1163::`
NS	2	`ns2.webmailer.de, ns1.webmailer.de`
MX	1	`smtpin.rzone.de (pri: 5)`
SOA	1	`ns1.webmailer.de hostmaster.strato-rz.de`

Analysis

IP Addresses

mcbook.net resolves to two IP numbers: 2a01:238:20a:202:1163:: and 81.169.145.163.

other host names including gribb.de, kirstin-roth.de, goldsari.de, vet-dok.de and schiminski.de share IP numbers with mcbook.net.

Name Servers

mcbook.net is delegated to two name servers ns1.webmailer.de and ns2.webmailer.de.

mcbook.net shares the same name server setup as other domains, for instance moebelstoff.com, etopy.com, sdt-gmbh.com, ponitka.net and brustop.com.

mcbook.net at least partially shares name servers with other domains, for instance ausbauhaus.org.

Two IP numbers for a host: ns1.webmailer.de points to 2607:f1c0:fe:53:185:132:34:158 and 185.132.34.158.

One IP number for a host: ns2.webmailer.de points to 217.160.80.158.

Mail Servers

mcbook.net is handled by a single mail server, smtpin.rzone.de.

mcbook.net shares the same mail server setup as other domains, for instance plugin-web.de, etow.de, ns3.fallentime.com, storage.torben-runge.de and eurotarget.de.

smtpin.rzone.de resolves to two IP numbers: 2a01:238:20a:202:50f0::1097 and 81.169.145.97.

mcbook.net - robtex.com

mcbook.net

net