`ryvcr.com`

DNSSEC	⚠️ Not signed
A	2803:c940:0:1::13^{🇨🇷 AS229272000::/3}
		PTR	`mail03.itocr.com`
NS	`mail.ryvcr.com` ⭐
		A	2803:c940:0:1::13^{🇨🇷 AS229272000::/3}
			PTR	`mail03.itocr.com`
		A	143.255.28.13^{🇨🇷 AS264644143.255.28.0/24}
			PTR	`mail03.itocr.com`
NS	`ns1.itocr.com` ⚠️ Not in zone NS records
		A	2803:c940:0:1::2^{🇨🇷 AS229272000::/3}
			PTR	`ns1.itocr.com`
		A	143.255.28.2^{🇨🇷 AS264644143.255.28.0/24}
			PTR	`ns1.itocr.com`
NS	`ns2.itocr.com` ⚠️ Not in zone NS records
		A	2803:c940:0:1::3^{🇨🇷 AS229272000::/3}
			PTR	`ns2.itocr.com`
		A	143.255.28.3^{🇨🇷 AS264644143.255.28.0/24}
			PTR	`ns2.itocr.com`
MX	`mail.ryvcr.com` ⭐
		A	2803:c940:0:1::13^{🇨🇷 AS229272000::/3}
			PTR	`mail03.itocr.com`
		A	143.255.28.13^{🇨🇷 AS264644143.255.28.0/24}
			PTR	`mail03.itocr.com`
SOA	`mail.ryvcr.com`webmaster@ryvcr.com 2021-03-19 #0

`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=1775966497

Subdomains

mail.ryvcr.com

Same first word

ryvcr.com

Similar names

rcryv.com

DNS History

8 records (5 active, 3 former)

●NSmail.ryvcr.com2016-05-04 → 2026-04-12 · 5 obs

○ 2016-02-03 01:12:32
● 2016-05-04 03:48:06
● 2026-03-27 05:29:54
○ 2026-03-27 19:52:22
● 2026-04-12 04:05:18

○NSns.ryvcr.com2015-07-03 → 2016-02-03 · 4 obs

● 2015-07-03 20:44:38
● 2016-02-03 01:12:32
○ 2016-05-04 03:48:06
○ 2026-04-12 04:05:18

●NSns1.itocr.com2015-07-03 → 2026-04-12 · 2 obs

● 2015-07-03 20:44:38
● 2026-04-12 04:05:18

●NSns2.itocr.com2015-07-03 → 2026-04-12 · 2 obs

● 2015-07-03 20:44:38
● 2026-04-12 04:05:18

●MXmail.ryvcr.com2015-07-03 → 2026-04-12 · 5 obs

● 2015-07-03 20:44:38
● 2019-04-14 21:55:34
○ 2026-03-27 05:29:54
○ 2026-03-27 19:52:22
● 2026-04-12 04:05:18

○A143.255.28.132016-05-04 → 2026-03-27 · 6 obs

○ 2016-02-03 01:12:32
● 2016-05-04 03:48:06
● 2019-04-14 21:55:34
○ 2026-03-27 05:29:54
● 2026-03-27 19:52:22
○ 2026-04-12 04:05:18

○A186.176.4.1372015-07-03 → 2016-02-03 · 4 obs

● 2015-07-03 20:44:38
● 2016-02-03 01:12:32
○ 2016-05-04 03:48:06
○ 2026-04-12 04:05:18

●A2803:c940:0:1::132017-03-14 → 2026-04-12 · 5 obs

○ 2016-05-04 03:48:06
● 2017-03-14 13:45:14
● 2026-03-27 05:29:54
○ 2026-03-27 19:52:22
● 2026-04-12 04:05:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ryvcr.com	ns1.itocr.com, ns2.itocr.com	2 records

✅ Authoritative Response

Server:143.255.28.3

NS records: ns1.itocr.com, ns2.itocr.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ryvcr.com (unsigned zone)

⏱️ Timing

Total: 257ms | Queries: -

📄 Records

Type	Count	Sample Data
MX	1	`mail.ryvcr.com (pri: 10)`
SOA	1	`mail.ryvcr.com webmaster.ryvcr.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.itocr.com, ns2.itocr.com)

Analysis

Hierarchy

The parent of mail.ryvcr.com is ryvcr.com.

IP Addresses

ryvcr.com points to IP number: 2803:c940:0:1::13.

Other host names such as sm.co.cr, mail.mail03.itocr.com, mail.incsrv.com, mail.electrobikecr.net and mail.sm.co.cr share IPs with ryvcr.com.

Name Servers

ryvcr.com is delegated to three name servers: ns1.itocr.com, ns2.itocr.com and mail.ryvcr.com.

ryvcr.com at least partially shares name servers with other domains, for instance equilibriovital.com, skinworkscr.com, softskil-logic.com, hopegala.cr and itocr.com.

These name servers are commonly used together with ns3.itocr.com, mail.equilibriovital.com and mail.

Host ns1.itocr.com points to 2803:c940:0:1::2 and 143.255.28.2; Host ns2.itocr.com points to 2803:c940:0:1::3 and 143.255.28.3; Host mail.ryvcr.com points to 2803:c940:0:1::13 and 143.255.28.13.

Mail Servers

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

ryvcr.com - robtex.com

ryvcr.com

com