itsudoco.com - dns.ninja

`itsudoco.com`

DNSSEC	⚠️ Not signed
A	18.181.123.243^{🇯🇵 Amazon18.180.0.0/15 EC2 NRT prefix}
		PTR	`ec2-18-181-123-243.ap-northeast-1.compute.amazonaws.com`
NS	`ns-1363.awsdns-42.org` ⭐
		A	2600:9000:5305:5300::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1363.awsdns-42.org`
		A	205.251.197.83^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1363.awsdns-42.org`
NS	`ns-1865.awsdns-41.co.uk`
		A	2600:9000:5307:4900::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1865.awsdns-41.co.uk`
		A	205.251.199.73^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1865.awsdns-41.co.uk`
NS	`ns-314.awsdns-39.com`
		A	2600:9000:5301:3a00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-314.awsdns-39.com`
		A	205.251.193.58^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-314.awsdns-39.com`
NS	`ns-741.awsdns-28.net`
		A	2600:9000:5302:e500::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-741.awsdns-28.net`
		A	205.251.194.229^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-741.awsdns-28.net`
MX	`mail.sd.mdcms.info` ⭐
		A	54.168.223.121^{🇯🇵 Amazon54.168.0.0/16 EC2 NRT prefix}
			PTR	`ec2-54-168-223-121.ap-northeast-1.compute.amazonaws.com`
TXT	`v=spf1 include:_spf.mdcms.info +ip4:49.212.235.190/32 +ip4:210.188.240.5/32 +...`
SOA	`ns-1363.awsdns-42.org`awsdns-hostmaster@amazon.com serial=1

`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=1786271454

📈 Tranco rank: #521,235

Same first word

itsudoco.com

Similar names

DNS History

12 records (6 active, 6 former)

●NSns-1363.awsdns-42.org2026-03-04 → 2026-08-09 · 3 obs

○ 2017-06-08 17:56:50
● 2026-03-04 14:44:38
● 2026-08-09 10:41:48

●NSns-1865.awsdns-41.co.uk2026-03-04 → 2026-08-09 · 3 obs

○ 2017-06-08 17:56:50
● 2026-03-04 14:44:38
● 2026-08-09 10:41:48

●NSns-314.awsdns-39.com2026-03-04 → 2026-08-09 · 3 obs

○ 2017-06-08 17:56:50
● 2026-03-04 14:44:38
● 2026-08-09 10:41:48

●NSns-741.awsdns-28.net2026-03-04 → 2026-08-09 · 3 obs

○ 2017-06-08 17:56:50
● 2026-03-04 14:44:38
● 2026-08-09 10:41:48

○NSns001.md-dc.jp2015-05-14 → 2016-07-25 · 4 obs

● 2015-05-14 22:10:34
● 2016-07-25 00:16:02
○ 2017-06-08 17:56:50
○ 2026-08-09 10:41:48

○NSns002.mediado.info2015-05-14 → 2016-07-25 · 4 obs

● 2015-05-14 22:10:34
● 2016-07-25 00:16:02
○ 2017-06-08 17:56:50
○ 2026-08-09 10:41:48

○NSns1.softlayer.com2017-06-08 → 2017-06-08 · 4 obs

○ 2016-07-25 00:16:02
● 2017-06-08 17:56:50
○ 2026-03-04 14:44:38
○ 2026-08-09 10:41:48

○NSns2.softlayer.com2017-06-08 → 2017-06-08 · 4 obs

○ 2016-07-25 00:16:02
● 2017-06-08 17:56:50
○ 2026-03-04 14:44:38
○ 2026-08-09 10:41:48

●MXmail.sd.mdcms.info2015-05-14 → 2026-08-09 · 2 obs

● 2015-05-14 22:10:34
● 2026-08-09 10:41:48

●A18.181.123.2432026-03-04 → 2026-08-09 · 3 obs

○ 2017-06-08 17:56:50
● 2026-03-04 14:44:38
● 2026-08-09 10:41:48

○A202.124.212.1072015-05-14 → 2015-10-16 · 4 obs

● 2015-05-14 22:10:34
● 2015-10-16 10:44:40
○ 2015-12-17 01:53:36
○ 2026-08-09 10:41:48

○A202.124.212.1242015-12-17 → 2017-06-08 · 5 obs

○ 2015-10-16 10:44:40
● 2015-12-17 01:53:36
● 2017-06-08 17:56:50
○ 2026-03-04 14:44:38
○ 2026-08-09 10:41:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, e.gtld-servers.net, a.gtld-servers.net, k.gtld-servers.net...	-
itsudoco.com	ns-741.awsdns-28.net, ns-314.awsdns-39.com, ns-1865.awsdns-41.co.uk, ns-1363.awsdns-42.org	2 records

✅ Authoritative Response

Server:205.251.199.73

NS records: ns-741.awsdns-28.net, ns-314.awsdns-39.com, ns-1865.awsdns-41.co.uk, ns-1363.awsdns-42.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for itsudoco.com (unsigned zone)

⏱️ Timing

Total: 450ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`18.181.123.243`
NS	4	`ns-1363.awsdns-42.org, ns-1865.awsdns-41.co.uk...`
MX	1	`mail.sd.mdcms.info (pri: 10)`
TXT	1	`v=spf1 include:_spf.mdcms.info +ip4:49.2`
SOA	1	`ns-1363.awsdns-42.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-314.awsdns-39.com, ns-314.awsdns-39.com)

Analysis

IP Addresses

itsudoco.com resolves to just one IP address, 18.181.123.243.

Two other host names, along with ec2-18-181-123-243.ap-northeast-1.compute.amazonaws.com, sp.pun-c.jp and comic.crank-in.net, also share IP numbers with itsudoco.com.

Name Servers

The NS records for itsudoco.com point to four name servers: ns-314.awsdns-39.com, ns-741.awsdns-28.net, ns-1363.awsdns-42.org and ns-1865.awsdns-41.co.uk.

At least some of itsudoco.com's name servers are shared with other domains, for example rm-u.com, jeugdmaps.be, watchmedia.de and two more.

Four hostnames, each resolving to a pair of IP addresses: ns-314.awsdns-39.com directs to 205.251.193.58 and 2600:9000:5301:3a00::1; ns-741.awsdns-28.net directs to 205.251.194.229 and 2600:9000:5302:e500::1; ns-1363.awsdns-42.org directs to 205.251.197.83 and 2600:9000:5305:5300::1; ns-1865.awsdns-41.co.uk directs to 205.251.199.73 and 2600:9000:5307:4900::1.

Mail Servers

The sole mail server for itsudoco.com is mail.sd.mdcms.info.

Among the domains sharing a mail server setup with itsudoco.com are comicweek.jp, galcomi.jp, mangaseikatu.jp and two others.

mail.sd.mdcms.info resolves to a single IP number: 54.168.223.121.