`crescotec.com`

DNSSEC	⚠️ Not signed
A	2606:4700:7::a29f:8836^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	2606:4700:7::a29f:8936^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	162.159.136.54^{Cloudflare162.159.128.0/19 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	162.159.137.54^{Cloudflare162.159.128.0/19 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`dolly.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a62^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dolly.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c062^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dolly.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2062^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dolly.ns.cloudflare.com`
		A	108.162.192.98^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dolly.ns.cloudflare.com`
		A	172.64.32.98^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dolly.ns.cloudflare.com`
		A	173.245.58.98^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dolly.ns.cloudflare.com`
NS	`eric.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b70^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eric.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c170^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`eric.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2170^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`eric.ns.cloudflare.com`
		A	108.162.193.112^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eric.ns.cloudflare.com`
		A	172.64.33.112^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eric.ns.cloudflare.com`
		A	173.245.59.112^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eric.ns.cloudflare.com`
MX	`crescotec-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc2f::^{🇦🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-au1p273cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:cc30::^{🇦🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-dx1p273cu00300.inbound.protection.outlook.com`
		A	2a01:111:f403:cc30::1^{🇦🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-dx3p273cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:cc30::3^{🇦🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-dx2p273cu00203.inbound.protection.outlook.com`
		A	52.101.147.1^{🇦🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-au1p273cu00101.inbound.protection.outlook.com`
		A	52.101.148.1^{🇦🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dx1p273cu00301.inbound.protection.outlook.com`
		A	52.101.148.3^{🇦🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dx3p273cu00103.inbound.protection.outlook.com`
		A	52.101.148.13^{🇦🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dx2p273cu00205.inbound.protection.outlook.com`
TXT	`MS=591791703D0F1DF078283FFC04386197EDDD74DA`
TXT	`MS=ms63986467`
TXT	`apple-domain-verification=YQluLW8Sq0TPSDFM`
TXT	`ca3-badcf5df2b8543a89b2ce29e545d40fc`
TXT	`google-site-verification=x2-B-tDKbtoOoUWpZEuWrzj75af0ZcXyGe5x140zuUc`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`dolly.ns.cloudflare.com`dns@cloudflare.com serial=2401425201

`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=1775977587

Same first word

crescotec.com

DNS History

15 records (7 active, 8 former)

○NSdns0.oemsites.net2015-12-02 → 2018-08-11 · 4 obs

● 2015-12-02 08:50:12
● 2018-08-11 18:10:08
○ 2026-04-03 21:09:46
○ 2026-04-12 07:20:34

○NSdns51.oemsites.net2015-12-02 → 2018-08-11 · 4 obs

● 2015-12-02 08:50:12
● 2018-08-11 18:10:08
○ 2026-04-03 21:09:46
○ 2026-04-12 07:20:34

○NSdns6.oemsites.net2015-12-02 → 2018-08-11 · 4 obs

● 2015-12-02 08:50:12
● 2018-08-11 18:10:08
○ 2026-04-03 21:09:46
○ 2026-04-12 07:20:34

●NSdolly.ns.cloudflare.com2026-04-03 → 2026-04-12 · 3 obs

○ 2018-08-11 18:10:08
● 2026-04-03 21:09:46
● 2026-04-12 07:20:34

●NSeric.ns.cloudflare.com2026-04-03 → 2026-04-12 · 3 obs

○ 2018-08-11 18:10:08
● 2026-04-03 21:09:46
● 2026-04-12 07:20:34

●MXcrescotec-com.mail.protection.outlook.com2026-04-03 → 2026-04-12 · 3 obs

○ 2018-08-11 18:10:08
● 2026-04-03 21:09:46
● 2026-04-12 07:20:34

○MXmail.crescotec.com2015-12-02 → 2015-12-02 · 3 obs

● 2015-12-02 08:50:12
○ 2016-02-25 20:09:26
○ 2026-04-12 07:20:34

○MXmxbackup1.junkemailfilter.com2016-02-25 → 2018-08-11 · 5 obs

○ 2015-12-02 08:50:12
● 2016-02-25 20:09:26
● 2018-08-11 18:10:08
○ 2026-04-03 21:09:46
○ 2026-04-12 07:20:34

○MXmxbackup2.junkemailfilter.com2016-02-25 → 2018-08-11 · 5 obs

○ 2015-12-02 08:50:12
● 2016-02-25 20:09:26
● 2018-08-11 18:10:08
○ 2026-04-03 21:09:46
○ 2026-04-12 07:20:34

○MXsmtp.polymill.ch2016-02-25 → 2018-08-11 · 5 obs

○ 2015-12-02 08:50:12
● 2016-02-25 20:09:26
● 2018-08-11 18:10:08
○ 2026-04-03 21:09:46
○ 2026-04-12 07:20:34

●A162.159.136.542026-04-03 → 2026-04-12 · 3 obs

○ 2018-08-11 18:10:08
● 2026-04-03 21:09:46
● 2026-04-12 07:20:34

●A162.159.137.542026-04-03 → 2026-04-12 · 3 obs

○ 2018-08-11 18:10:08
● 2026-04-03 21:09:46
● 2026-04-12 07:20:34

●A2606:4700:7::a29f:88362026-04-03 → 2026-04-12 · 3 obs

○ 2018-08-11 18:10:08
● 2026-04-03 21:09:46
● 2026-04-12 07:20:34

●A2606:4700:7::a29f:89362026-04-03 → 2026-04-12 · 3 obs

○ 2018-08-11 18:10:08
● 2026-04-03 21:09:46
● 2026-04-12 07:20:34

○A37.59.242.332015-12-02 → 2018-08-11 · 4 obs

● 2015-12-02 08:50:12
● 2018-08-11 18:10:08
○ 2026-04-03 21:09:46
○ 2026-04-12 07:20:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
crescotec.com	eric.ns.cloudflare.com, dolly.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.112

NS records: eric.ns.cloudflare.com, dolly.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crescotec.com (unsigned zone)

⏱️ Timing

Total: 170ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`162.159.137.54, 162.159.136.54`
AAAA	2	`2606:4700:7::a29f:8836, 2606:4700:7::a29f:8936`
NS	2	`dolly.ns.cloudflare.com, eric.ns.cloudflare.com`
MX	1	`crescotec-com.mail.protection.outlook.co`
TXT	6	`MS=591791703D0F1DF078283FFC04386197EDDD7, MS=ms63986467...`
SOA	1	`dolly.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (eric.ns.cloudflare.com, eric.ns.cloudflare.com, eric.ns.cloudflare.com...)

Analysis

IP Addresses

crescotec.com resolves to four IP numbers: 2606:4700:7::a29f:8836, 2606:4700:7::a29f:8936, 162.159.136.54 and 162.159.137.54.

other host names for instance rescotec.com, gilfordnh.gov, bcworldcup.com, sfbtax.com and ah-arch.com share IP numbers with crescotec.com.

Name Servers

crescotec.com is delegated to two name servers: dolly.ns.cloudflare.com and eric.ns.cloudflare.com.

crescotec.com shares the same name server setup as other domains, for example askdrbarry.com, bishopgstudentpad.co.uk, benefitsofaginginplace.com, crescoholding.com and waechter.ch.

crescotec.com at least partially shares name servers with other domains, for instance faceandjawsurgery.com, lddr.com.cn, eepu.shop, sidsallamerican.com and agribank.me.

These name servers are commonly used with hank.ns.cloudflare.com, pam.ns.cloudflare.com, dom.ns.cloudflare.com and kay.ns.cloudflare.com.

Host names with six IP numbers:

dolly.ns.cloudflare.com points to: 2606:4700:50::adf5:3a62, 2803:f800:50::6ca2:c062, 2a06:98c1:50::ac40:2062, 108.162.192.98, 172.64.32.98 and 173.245.58.98; eric.ns.cloudflare.com points to: 2606:4700:58::adf5:3b70, 2803:f800:50::6ca2:c170, 2a06:98c1:50::ac40:2170, 108.162.193.112, 172.64.33.112 and 173.245.59.112.

Mail Servers

crescotec.com is handled by a single mail server, crescotec-com.mail.protection.outlook.com.

Host name crescotec-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:cc2f::, 2a01:111:f403:cc30::, 2a01:111:f403:cc30::1, 2a01:111:f403:cc30::3, 52.101.147.1, 52.101.148.1, 52.101.148.3 and 52.101.148.13.

crescotec.com - robtex.com

crescotec.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

`crescotec.com`

`com`