`crew81.com`

DNSSEC	⚠️ Not signed
A	2600:1901:0:609::^{🇺🇸 Google2600:1901::/32}
A	35.190.27.135^{🇺🇸 Google35.190.0.0/16}
NS	`ns1.systemdns.com` ⭐
		A	2604:4000:0:d:216:40:47:90^{🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000}
			PTR	`ns1.systemdns.com`
		A	216.40.47.90^{🇨🇦 TUCOWS216.40.47.0/24 -BRA-BLK1.4/NET-216-40-47-0}
			PTR	`ns1.systemdns.com`
NS	`ns2.systemdns.com`
		A	2604:4000:2800:d:64:99:148:16^{🇨🇦 TUCOWS-32604:4000:2800::/37 Tucows.com Co.}
			PTR	`ns2.systemdns.com`
		A	64.98.148.16^{🇨🇦 TUCOWS-364.98.144.0/20 Tucows.com Co.}
			PTR	`ns2.systemdns.com`
NS	`ns3.systemdns.com`
		A	2604:4000:0:d:64:99:96:36^{🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000}
			PTR	`ns3.systemdns.com`
		A	64.99.96.36^{🇨🇦 TUCOWS64.99.96.0/24 -BRA-BLK2.7.2}
			PTR	`ns3.systemdns.com`
MX	`mailbuilderbuilder.com` ⭐
		A	34.154.74.85^{🇮🇹 Google34.154.0.0/17}
			PTR	`85.74.154.34.bc.googleusercontent.com`
TXT	`v=spf1 include:_spf.mailbuilderbuilder.com ~all`
SOA	`ns1.systemdns.com`hostmaster@systemdns.com serial=1724968509

`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=1777574471

Same first word

crew81.com

DNS History

22 records (6 active, 16 former)

○NSdns.technorail.com2016-12-16 → 2016-12-16 · 3 obs

● 2016-12-16 23:03:36
○ 2019-04-23 02:59:50
○ 2026-04-30 18:45:22

○NSdns2.technorail.com2016-12-16 → 2016-12-16 · 3 obs

● 2016-12-16 23:03:36
○ 2019-04-23 02:59:50
○ 2026-04-30 18:45:22

○NSdns3.arubadns.net2016-12-16 → 2016-12-16 · 3 obs

● 2016-12-16 23:03:36
○ 2019-04-23 02:59:50
○ 2026-04-30 18:45:22

○NSdns4.arubadns.cz2016-12-16 → 2016-12-16 · 3 obs

● 2016-12-16 23:03:36
○ 2019-04-23 02:59:50
○ 2026-04-30 18:45:22

○NSns1.renewyourname.net2019-04-23 → 2019-04-23 · 4 obs

○ 2016-12-16 23:03:36
● 2019-04-23 02:59:50
○ 2026-04-30 05:59:04
○ 2026-04-30 18:45:22

●NSns1.systemdns.com2026-04-30 → 2026-04-30 · 3 obs

○ 2019-04-23 02:59:50
● 2026-04-30 05:59:04
● 2026-04-30 18:45:22

○NSns2.renewyourname.net2019-04-23 → 2019-04-23 · 4 obs

○ 2016-12-16 23:03:36
● 2019-04-23 02:59:50
○ 2026-04-30 05:59:04
○ 2026-04-30 18:45:22

●NSns2.systemdns.com2026-04-30 → 2026-04-30 · 3 obs

○ 2019-04-23 02:59:50
● 2026-04-30 05:59:04
● 2026-04-30 18:45:22

●NSns3.systemdns.com2026-04-30 → 2026-04-30 · 3 obs

○ 2019-04-23 02:59:50
● 2026-04-30 05:59:04
● 2026-04-30 18:45:22

●MXmailbuilderbuilder.com2026-04-30 → 2026-04-30 · 3 obs

○ 2019-04-23 02:59:50
● 2026-04-30 05:59:04
● 2026-04-30 18:45:22

○MXmx.crew81.com2016-12-16 → 2016-12-16 · 3 obs

● 2016-12-16 23:03:36
○ 2019-04-23 02:59:50
○ 2026-04-30 18:45:22

●A2600:1901:0:609::2026-04-30 → 2026-04-30 · 3 obs

○ 2019-04-23 02:59:50
● 2026-04-30 05:59:04
● 2026-04-30 18:45:22

●A35.190.27.1352026-04-30 → 2026-04-30 · 3 obs

○ 2019-04-23 02:59:50
● 2026-04-30 05:59:04
● 2026-04-30 18:45:22

○A62.149.128.1512016-12-16 → 2016-12-16 · 3 obs

● 2016-12-16 23:03:36
○ 2019-04-23 02:59:50
○ 2026-04-30 18:45:22

○A62.149.128.1542016-12-16 → 2016-12-16 · 3 obs

● 2016-12-16 23:03:36
○ 2019-04-23 02:59:50
○ 2026-04-30 18:45:22

○A62.149.128.1572016-12-16 → 2016-12-16 · 3 obs

● 2016-12-16 23:03:36
○ 2019-04-23 02:59:50
○ 2026-04-30 18:45:22

○A62.149.128.1602016-12-16 → 2016-12-16 · 3 obs

● 2016-12-16 23:03:36
○ 2019-04-23 02:59:50
○ 2026-04-30 18:45:22

○A62.149.128.1632016-12-16 → 2016-12-16 · 3 obs

● 2016-12-16 23:03:36
○ 2019-04-23 02:59:50
○ 2026-04-30 18:45:22

○A62.149.128.1662016-12-16 → 2016-12-16 · 3 obs

● 2016-12-16 23:03:36
○ 2019-04-23 02:59:50
○ 2026-04-30 18:45:22

○A62.149.128.722016-12-16 → 2016-12-16 · 3 obs

● 2016-12-16 23:03:36
○ 2019-04-23 02:59:50
○ 2026-04-30 18:45:22

○A62.149.128.742016-12-16 → 2016-12-16 · 3 obs

● 2016-12-16 23:03:36
○ 2019-04-23 02:59:50
○ 2026-04-30 18:45:22

○A91.195.240.1172019-04-23 → 2019-04-23 · 4 obs

○ 2016-12-16 23:03:36
● 2019-04-23 02:59:50
○ 2026-04-30 05:59:04
○ 2026-04-30 18:45:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
crew81.com	ns1.systemdns.com, ns2.systemdns.com, ns3.systemdns.com	6 records

✅ Authoritative Response

Server:64.98.148.16

NS records: ns1.systemdns.com, ns2.systemdns.com, ns3.systemdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crew81.com (unsigned zone)

⏱️ Timing

Total: 230ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`35.190.27.135`
AAAA	1	`2600:1901:0:609::`
NS	3	`ns3.systemdns.com, ns1.systemdns.com...`
MX	1	`mailbuilderbuilder.com (pri: 1)`
TXT	1	`v=spf1 include:_spf.mailbuilderbuilder.c`
SOA	1	`ns1.systemdns.com hostmaster.systemdns.c`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns1.systemdns.com, ns1.systemdns.com, ns2.systemdns.com...)

Analysis

IP Addresses

crew81.com points to two IP numbers: 2600:1901:0:609:: and 35.190.27.135.

Other host names such as immobilinapoli.it, werestart.it, technait.com, consunitp.it and web-uphold--login-auth.flazio.com share IPs with crew81.com.

Name Servers

crew81.com is delegated to three name servers: ns1.systemdns.com, ns2.systemdns.com and ns3.systemdns.com.

crew81.com at least partially shares name servers with other domains, for instance lillipink.com, rules-of-work.com, fasmore.com, actuniverse.com and mccanines.com.

Host ns1.systemdns.com points to 2604:4000:0:d:216:40:47:90 and 216.40.47.90; Host ns2.systemdns.com points to 2604:4000:2800:d:64:99:148:16 and 64.98.148.16; Host ns3.systemdns.com points to 2604:4000:0:d:64:99:96:36 and 64.99.96.36.

Mail Servers

crew81.com is handled by a single mail server, mailbuilderbuilder.com.

The mail server setup for crew81.com matches that of other domains, for instance pubblipiu.it, cadelsanto.it, msap.it, paoloferraina.com and xepros.com.

crew81.com shares some mail servers with other domains, for instance calcioshopping.it, avvocatinrete.it and loft88.it.

mailbuilderbuilder.com points to a single IP: 34.154.74.85.

crew81.com - robtex.com

crew81.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`crew81.com`

`com`