`fourthblockchain.org`

DNSSEC	⚠️ Not signed
A	210.157.79.11^{🇯🇵 XSERVER-AS210.157.78.0/23 XSERVER Inc.}
		PTR	`sv3010.wpx.ne.jp`
NS	`ns1.wpx.ne.jp` ⭐
		A	157.112.145.65^{🇯🇵 XSERVER-AS157.112.144.0/21 XSERVER Inc.}
		A	157.112.145.66^{🇯🇵 XSERVER-AS157.112.144.0/21 XSERVER Inc.}
		A	157.112.145.67^{🇯🇵 XSERVER-AS157.112.144.0/21 XSERVER Inc.}
		A	157.112.145.68^{🇯🇵 XSERVER-AS157.112.144.0/21 XSERVER Inc.}
		A	157.112.145.69^{🇯🇵 XSERVER-AS157.112.144.0/21 XSERVER Inc.}
		A	157.112.145.70^{🇯🇵 XSERVER-AS157.112.144.0/21 XSERVER Inc.}
		A	157.112.145.145^{🇯🇵 XSERVER-AS157.112.144.0/21 XSERVER Inc.}
		A	157.112.145.146^{🇯🇵 XSERVER-AS157.112.144.0/21 XSERVER Inc.}
		A	157.112.145.232^{🇯🇵 XSERVER-AS157.112.144.0/21 XSERVER Inc.}
			PTR	`ns1.wpx.ne.jp`
NS	`ns2.wpx.ne.jp`
		A	120.136.10.149^{🇯🇵 XSERVER-AS120.136.8.0/22 XSERVER Inc.}
		A	120.136.10.150^{🇯🇵 XSERVER-AS120.136.8.0/22 XSERVER Inc.}
		A	120.136.10.243^{🇯🇵 XSERVER-AS120.136.8.0/22 XSERVER Inc.}
			PTR	`ns2.wpx.ne.jp`
		A	183.90.225.214^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
		A	183.90.225.215^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
		A	183.90.225.216^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
		A	183.90.225.217^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
		A	183.90.225.218^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
NS	`ns3.wpx.ne.jp`
		A	157.112.182.226^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	157.112.182.227^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	157.112.182.228^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	157.112.182.229^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	157.112.182.230^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	157.112.182.254^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	202.226.37.244^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns3.wpx.ne.jp`
MX	`fourthblockchain.org` ⭐
		A	210.157.79.11^{🇯🇵 XSERVER-AS210.157.78.0/23 XSERVER Inc.}
			PTR	`sv3010.wpx.ne.jp`
TXT	`v=spf1 +a:sv3010.wpx.ne.jp +a:fourthblockchain.org +mx include:spf.sender.xse...`
SOA	`ns1.wpx.ne.jp`root@wpx.ne.jp serial=0

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1774802155

MX for

fourthblockchain.org

Same first word

fourthblockchain.org

DNS History

9 records (5 active, 4 former)

○NSns.gabia.co.kr2018-05-07 → 2018-05-07 · 3 obs

● 2018-05-07 18:50:16
○ 2026-02-19 06:36:32
○ 2026-03-29 17:01:04

○NSns.gabia.net2018-05-07 → 2018-05-07 · 3 obs

● 2018-05-07 18:50:16
○ 2026-02-19 06:36:32
○ 2026-03-29 17:01:04

○NSns1.gabia.co.kr2018-05-07 → 2018-05-07 · 3 obs

● 2018-05-07 18:50:16
○ 2026-02-19 06:36:32
○ 2026-03-29 17:01:04

●NSns1.wpx.ne.jp2026-02-19 → 2026-03-29 · 3 obs

○ 2018-05-07 18:50:16
● 2026-02-19 06:36:32
● 2026-03-29 17:01:04

●NSns2.wpx.ne.jp2026-02-19 → 2026-03-29 · 3 obs

○ 2018-05-07 18:50:16
● 2026-02-19 06:36:32
● 2026-03-29 17:01:04

●NSns3.wpx.ne.jp2026-02-19 → 2026-03-29 · 3 obs

○ 2018-05-07 18:50:16
● 2026-02-19 06:36:32
● 2026-03-29 17:01:04

●MXfourthblockchain.org2026-02-19 → 2026-03-29 · 2 obs

● 2026-02-19 06:36:32
● 2026-03-29 17:01:04

●A210.157.79.112026-02-19 → 2026-03-29 · 3 obs

○ 2018-05-07 18:50:16
● 2026-02-19 06:36:32
● 2026-03-29 17:01:04

○A211.43.203.742018-05-07 → 2018-05-07 · 3 obs

● 2018-05-07 18:50:16
○ 2026-02-19 06:36:32
○ 2026-03-29 17:01:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	d0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org	-
fourthblockchain.org	ns1.wpx.ne.jp, ns3.wpx.ne.jp, ns2.wpx.ne.jp	-

✅ Authoritative Response

Server:157.112.145.70

NS records: ns1.wpx.ne.jp, ns3.wpx.ne.jp, ns2.wpx.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fourthblockchain.org (unsigned zone)

⏱️ Timing

Total: 989ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`210.157.79.11`
NS	3	`ns1.wpx.ne.jp, ns2.wpx.ne.jp...`
MX	1	`fourthblockchain.org (pri: 0)`
TXT	1	`v=spf1 +a:sv3010.wpx.ne.jp +a:fourthbloc`
SOA	1	`ns1.wpx.ne.jp root.wpx.ne.jp`

Analysis

Mail Server Role

fourthblockchain.org is the mail server for fourthblockchain.org.

IP Addresses

fourthblockchain.org resolves to a single IP: 210.157.79.11.

Other host names, for instance suigyokudo.com, j-kei.net, sv3010.wpx.ne.jp, mail.km-portal.com and km-portal.com share IP numbers with fourthblockchain.org.

Name Servers

fourthblockchain.org delegates to three name servers: ns1.wpx.ne.jp, ns2.wpx.ne.jp and ns3.wpx.ne.jp.

fourthblockchain.org shares some name servers with other domains, for example funza.net, nagoya-kazokusou.com, il-mostro.com, syoei-inc.com and dougo-yuuzuki.jp.

Nine IP numbers: ns1.wpx.ne.jp ->157.112.145.65, 157.112.145.66, 157.112.145.67, 157.112.145.68, 157.112.145.69, 157.112.145.70, 157.112.145.145, 157.112.145.146 and 157.112.145.232.

Eight IP numbers: ns2.wpx.ne.jp ->120.136.10.149, 120.136.10.150, 120.136.10.243, 183.90.225.214, 183.90.225.215, 183.90.225.216, 183.90.225.217 and 183.90.225.218.

Seven IP numbers: ns3.wpx.ne.jp ->157.112.182.226, 157.112.182.227, 157.112.182.228, 157.112.182.229, 157.112.182.230, 157.112.182.254 and 202.226.37.244.

Mail Servers

One mail server handles fourthblockchain.org.

Host name fourthblockchain.org points to IP 210.157.79.11.

fourthblockchain.org - robtex.com