`mempool.space`

DNSSEC	🔒 Signed (DS record present)
A	2001:df6:7280::92:202^{🇯🇵 MEMPOOLSPACEKK-AS-AP2001:df6:7280::/48 mempool.space}
A	2001:df6:7280::92:203^{🇯🇵 MEMPOOLSPACEKK-AS-AP2001:df6:7280::/48 mempool.space}
A	2001:df6:7280::92:204^{🇯🇵 MEMPOOLSPACEKK-AS-AP2001:df6:7280::/48 mempool.space}
A	2001:df6:7280::92:205^{🇯🇵 MEMPOOLSPACEKK-AS-AP2001:df6:7280::/48 mempool.space}
A	2001:df6:7280::92:206^{🇯🇵 MEMPOOLSPACEKK-AS-AP2001:df6:7280::/48 mempool.space}
A	2001:df6:7280::92:207^{🇯🇵 MEMPOOLSPACEKK-AS-AP2001:df6:7280::/48 mempool.space}
A	2001:df6:7280::92:208^{🇯🇵 MEMPOOLSPACEKK-AS-AP2001:df6:7280::/48 mempool.space}
A	103.165.192.202^{🇯🇵 MEMPOOLSPACEKK-AS-AP103.165.192.0/24 mempool.space}
A	103.165.192.203^{🇯🇵 MEMPOOLSPACEKK-AS-AP103.165.192.0/24 mempool.space}
A	103.165.192.204^{🇯🇵 MEMPOOLSPACEKK-AS-AP103.165.192.0/24 mempool.space}
A	103.165.192.205^{🇯🇵 MEMPOOLSPACEKK-AS-AP103.165.192.0/24 mempool.space}
A	103.165.192.206^{🇯🇵 MEMPOOLSPACEKK-AS-AP103.165.192.0/24 mempool.space}
A	103.165.192.207^{🇯🇵 MEMPOOLSPACEKK-AS-AP103.165.192.0/24 mempool.space}
A	103.165.192.208^{🇯🇵 MEMPOOLSPACEKK-AS-AP103.165.192.0/24 mempool.space}
NS	`dns.wiz.biz` ⭐
NS	`ns1.fra.wiz.biz`
		A	2401:b140:2::20:21^{🇩🇪 WIZ-JP-AS-AP2401:b140:2::/48 WIZ K.K. ROPPONGI 7-7-7 TRI-SEVEN BLDG 8F}
		A	103.99.171.21^{🇩🇪 WIZ-JP-AS-AP103.99.171.0/24 Mempool Space K.K. MORI TOWER 16F ROPPONGI HILLS}
NS	`ns1.tk7.wiz.biz`
		A	2401:b140:3::20:21^{🇯🇵 WIZ-JP-AS-AP2401:b140:3::/48 WIZ K.K. ROPPONGI 7-7-7 TRI-SEVEN BLDG 8F}
		A	103.99.169.21^{🇯🇵 WIZ-JP-AS-AP103.99.169.0/24 Mempool Space K.K. MORI TOWER 16F ROPPONGI HILLS}
			PTR	`0x6763a915.wiz.network`
NS	`ns1.va1.wiz.biz`
		A	2401:b140:4::20:21^{🇺🇸 WIZ-JP-AS-AP2401:b140:4::/48 WIZ K.K. ROPPONGI 7-7-7 TRI-SEVEN BLDG 8F}
		A	103.99.168.21^{🇺🇸 WIZ-JP-AS-AP103.99.168.0/24 WIZ K.K. ROPPONGI 7-7-7 TRI-SEVEN BLDG 8F}
			PTR	`0x6763a815.wiz.network`
NS	`ns2.fra.wiz.biz`
		A	2401:b140:2::20:22^{🇩🇪 WIZ-JP-AS-AP2401:b140:2::/48 WIZ K.K. ROPPONGI 7-7-7 TRI-SEVEN BLDG 8F}
		A	103.99.171.22^{🇩🇪 WIZ-JP-AS-AP103.99.171.0/24 Mempool Space K.K. MORI TOWER 16F ROPPONGI HILLS}
			PTR	`0x6763ab16.wiz.network`
NS	`ns2.tk7.wiz.biz`
		A	2401:b140:3::20:22^{🇯🇵 WIZ-JP-AS-AP2401:b140:3::/48 WIZ K.K. ROPPONGI 7-7-7 TRI-SEVEN BLDG 8F}
		A	103.99.169.22^{🇯🇵 WIZ-JP-AS-AP103.99.169.0/24 Mempool Space K.K. MORI TOWER 16F ROPPONGI HILLS}
NS	`ns2.va1.wiz.biz`
		A	2401:b140:4::20:22^{🇺🇸 WIZ-JP-AS-AP2401:b140:4::/48 WIZ K.K. ROPPONGI 7-7-7 TRI-SEVEN BLDG 8F}
		A	103.99.168.22^{🇺🇸 WIZ-JP-AS-AP103.99.168.0/24 WIZ K.K. ROPPONGI 7-7-7 TRI-SEVEN BLDG 8F}
			PTR	`0x6763a816.wiz.network`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1f::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pd-in-f27.1e100.net`
		A	192.178.155.27^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`keybase-site-verification=ttvv7DXkPegNJCFssfSTVEpkL-3IrxU8J3Q1yBJhEdM`
TXT	`google-site-verification=1btI0i4yrHG-DtlmB3w7xuDTSDTSzJZqv9fA77pIQ_g`
TXT	`google-site-verification=096MJB4p5rI3Dffj7SSqban4ra1zNpelVMq22jp6mUs`
TXT	`v=spf1 ip4:103.99.168.0/22 ip6:2401:b140::/32 include:_spf.google.com -all`
SOA	`dns.wiz.biz`noc@wiz.biz 2026-07-24 #1

`space`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns01.trs-dns.com` ⭐
	NS	`ns.trs-dns.com`
	NS	`ns01.trs-dns.net`
	NS	`ns10.trs-dns.info`
	NS	`ns10.trs-dns.org`
	SOA	`ns.trs-dns.com`trs-ops@tucows.com serial=1786051126

rank #22333 globally
rank #5 in the tld

mempool.space

mempool.spaceis a real-time Bitcoin mempool explorer and blockchain visualizer, operated by The Mempool Open Source Project. It is one of the most widely used tools for monitoring unconfirmed Bitcoin transactions, fee estimates, and block data.

Key facts

Owner / operator: The Mempool Open Source Project
TLD:.space— gTLD
Primary purpose: Bitcoin mempool explorer, transaction tracker, fee estimator, and blockchain visualization
Status: active

History

Year	Event
2019	Initial launch of mempool.space by Bitcoin developer "wiz"
2020	Source code published openly on GitHub (`github.com/mempool/mempool`)
2021	Project rebranded and structured as The Mempool Open Source Project; Lightning Network explorer added
2023	Support extended to additional networks including Liquid Network and multiple testnets

Related domains

liquid.network— companion Liquid sidechain block explorer, same project
github.com/mempool/mempool— canonical open-source repository

⚠️ On DNS blocklist: spam-tlds-allow
🔒 HSTS Preload (+subdomains)
📈 Tranco rank: #10,418
⚠️ On DNS blocklist: spam-tlds

Subdomains

node201.mempool.space

stats.mempool.space

Same first word

mempool.de

mempool.holdings

mempool.live

mempool.net

mempool.com

mempool.pro

mempool.io

mempool.guide

mempool.chat

mempool.space

mempool.observer

mempool.co

mempool.au

mempool.ninja

Similar names

emploom.com

memloop.com

pomelom.com

memopol.com

mmopole.pl

DNS History

46 records (26 active, 20 former)

●NSdns.wiz.biz2021-11-03 → 2026-08-06 · 5 obs

○ 2019-04-01 12:18:04
● 2021-11-03 23:30:18
○ 2026-06-25 13:42:52
● 2026-06-26 05:14:44
● 2026-08-06 21:23:04

○NSdns1.registrar-servers.com2019-04-01 → 2019-04-01 · 3 obs

● 2019-04-01 12:18:04
○ 2021-11-03 23:30:18
○ 2026-08-06 21:23:04

○NSdns2.registrar-servers.com2019-04-01 → 2019-04-01 · 3 obs

● 2019-04-01 12:18:04
○ 2021-11-03 23:30:18
○ 2026-08-06 21:23:04

●NSns1.fra.wiz.biz2026-02-16 → 2026-08-06 · 3 obs

○ 2021-11-03 23:30:18
● 2026-02-16 22:27:08
● 2026-08-06 21:23:04

●NSns1.tk7.wiz.biz2026-02-16 → 2026-08-06 · 3 obs

○ 2021-11-03 23:30:18
● 2026-02-16 22:27:08
● 2026-08-06 21:23:04

●NSns1.va1.wiz.biz2026-02-16 → 2026-08-06 · 3 obs

○ 2021-11-03 23:30:18
● 2026-02-16 22:27:08
● 2026-08-06 21:23:04

○NSns1.wiz.biz2021-11-03 → 2021-11-03 · 4 obs

○ 2019-04-01 12:18:04
● 2021-11-03 23:30:18
○ 2026-02-16 22:27:08
○ 2026-08-06 21:23:04

●NSns2.fra.wiz.biz2026-02-16 → 2026-08-06 · 3 obs

○ 2021-11-03 23:30:18
● 2026-02-16 22:27:08
● 2026-08-06 21:23:04

●NSns2.tk7.wiz.biz2026-02-16 → 2026-08-06 · 3 obs

○ 2021-11-03 23:30:18
● 2026-02-16 22:27:08
● 2026-08-06 21:23:04

●NSns2.va1.wiz.biz2026-02-16 → 2026-08-06 · 3 obs

○ 2021-11-03 23:30:18
● 2026-02-16 22:27:08
● 2026-08-06 21:23:04

○NSns2.wiz.biz2021-11-03 → 2021-11-03 · 4 obs

○ 2019-04-01 12:18:04
● 2021-11-03 23:30:18
○ 2026-02-16 22:27:08
○ 2026-08-06 21:23:04

○NSns3.wiz.biz2021-11-03 → 2021-11-03 · 4 obs

○ 2019-04-01 12:18:04
● 2021-11-03 23:30:18
○ 2026-02-16 22:27:08
○ 2026-08-06 21:23:04

○NSns4.wiz.biz2021-11-03 → 2021-11-03 · 4 obs

○ 2019-04-01 12:18:04
● 2021-11-03 23:30:18
○ 2026-02-16 22:27:08
○ 2026-08-06 21:23:04

●MXalt1.aspmx.l.google.com2021-11-03 → 2026-08-06 · 5 obs

○ 2019-04-01 12:18:04
● 2021-11-03 23:30:18
○ 2026-06-25 13:42:52
● 2026-06-26 05:14:44
● 2026-08-06 21:23:04

●MXalt2.aspmx.l.google.com2021-11-03 → 2026-08-06 · 5 obs

○ 2019-04-01 12:18:04
● 2021-11-03 23:30:18
○ 2026-06-25 13:42:52
● 2026-06-26 05:14:44
● 2026-08-06 21:23:04

●MXalt3.aspmx.l.google.com2021-11-03 → 2026-08-06 · 5 obs

○ 2019-04-01 12:18:04
● 2021-11-03 23:30:18
○ 2026-06-25 13:42:52
● 2026-06-26 05:14:44
● 2026-08-06 21:23:04

●MXalt4.aspmx.l.google.com2021-11-03 → 2026-08-06 · 5 obs

○ 2019-04-01 12:18:04
● 2021-11-03 23:30:18
○ 2026-06-25 13:42:52
● 2026-06-26 05:14:44
● 2026-08-06 21:23:04

●MXaspmx.l.google.com2021-11-03 → 2026-08-06 · 5 obs

○ 2019-04-01 12:18:04
● 2021-11-03 23:30:18
○ 2026-06-25 13:42:52
● 2026-06-26 05:14:44
● 2026-08-06 21:23:04

○MXeforward1.registrar-servers.com2019-04-01 → 2019-04-01 · 3 obs

● 2019-04-01 12:18:04
○ 2021-11-03 23:30:18
○ 2026-08-06 21:23:04

○MXeforward2.registrar-servers.com2019-04-01 → 2019-04-01 · 3 obs

● 2019-04-01 12:18:04
○ 2021-11-03 23:30:18
○ 2026-08-06 21:23:04

○MXeforward3.registrar-servers.com2019-04-01 → 2019-04-01 · 3 obs

● 2019-04-01 12:18:04
○ 2021-11-03 23:30:18
○ 2026-08-06 21:23:04

○MXeforward4.registrar-servers.com2019-04-01 → 2019-04-01 · 3 obs

● 2019-04-01 12:18:04
○ 2021-11-03 23:30:18
○ 2026-08-06 21:23:04

○MXeforward5.registrar-servers.com2019-04-01 → 2019-04-01 · 3 obs

● 2019-04-01 12:18:04
○ 2021-11-03 23:30:18
○ 2026-08-06 21:23:04

●A103.165.192.2022026-02-16 → 2026-08-06 · 5 obs

○ 2021-11-03 23:30:18
● 2026-02-16 22:27:08
○ 2026-06-25 13:42:52
● 2026-06-26 05:14:44
● 2026-08-06 21:23:04

●A103.165.192.2032026-02-16 → 2026-08-06 · 5 obs

○ 2021-11-03 23:30:18
● 2026-02-16 22:27:08
○ 2026-06-25 13:42:52
● 2026-06-26 05:14:44
● 2026-08-06 21:23:04

●A103.165.192.2042026-02-16 → 2026-08-06 · 5 obs

○ 2021-11-03 23:30:18
● 2026-02-16 22:27:08
○ 2026-06-25 13:42:52
● 2026-06-26 05:14:44
● 2026-08-06 21:23:04

●A103.165.192.2052026-02-16 → 2026-08-06 · 5 obs

○ 2021-11-03 23:30:18
● 2026-02-16 22:27:08
○ 2026-06-25 13:42:52
● 2026-06-26 05:14:44
● 2026-08-06 21:23:04

●A103.165.192.2062026-02-16 → 2026-08-06 · 5 obs

○ 2021-11-03 23:30:18
● 2026-02-16 22:27:08
○ 2026-06-25 13:42:52
● 2026-06-26 05:14:44
● 2026-08-06 21:23:04

●A103.165.192.2072026-02-16 → 2026-08-06 · 5 obs

○ 2021-11-03 23:30:18
● 2026-02-16 22:27:08
○ 2026-06-25 13:42:52
● 2026-06-26 05:14:44
● 2026-08-06 21:23:04

●A103.165.192.2082026-02-16 → 2026-08-06 · 5 obs

○ 2021-11-03 23:30:18
● 2026-02-16 22:27:08
○ 2026-06-25 13:42:52
● 2026-06-26 05:14:44
● 2026-08-06 21:23:04

○A103.99.170.2032021-11-03 → 2021-11-03 · 4 obs

○ 2019-04-01 12:18:04
● 2021-11-03 23:30:18
○ 2026-02-16 22:27:08
○ 2026-08-06 21:23:04

○A103.99.170.2042021-11-03 → 2021-11-03 · 4 obs

○ 2019-04-01 12:18:04
● 2021-11-03 23:30:18
○ 2026-02-16 22:27:08
○ 2026-08-06 21:23:04

○A103.99.170.2052021-11-03 → 2021-11-03 · 4 obs

○ 2019-04-01 12:18:04
● 2021-11-03 23:30:18
○ 2026-02-16 22:27:08
○ 2026-08-06 21:23:04

○A103.99.170.2062021-11-03 → 2021-11-03 · 4 obs

○ 2019-04-01 12:18:04
● 2021-11-03 23:30:18
○ 2026-02-16 22:27:08
○ 2026-08-06 21:23:04

○A167.99.212.2302019-04-01 → 2019-04-01 · 3 obs

● 2019-04-01 12:18:04
○ 2021-11-03 23:30:18
○ 2026-08-06 21:23:04

●A2001:df6:7280::92:2022026-02-16 → 2026-08-06 · 5 obs

○ 2021-11-03 23:30:18
● 2026-02-16 22:27:08
○ 2026-06-25 13:42:52
● 2026-06-26 05:14:44
● 2026-08-06 21:23:04

●A2001:df6:7280::92:2032026-02-16 → 2026-08-06 · 5 obs

○ 2021-11-03 23:30:18
● 2026-02-16 22:27:08
○ 2026-06-25 13:42:52
● 2026-06-26 05:14:44
● 2026-08-06 21:23:04

●A2001:df6:7280::92:2042026-02-16 → 2026-08-06 · 5 obs

○ 2021-11-03 23:30:18
● 2026-02-16 22:27:08
○ 2026-06-25 13:42:52
● 2026-06-26 05:14:44
● 2026-08-06 21:23:04

●A2001:df6:7280::92:2052026-02-16 → 2026-08-06 · 5 obs

○ 2021-11-03 23:30:18
● 2026-02-16 22:27:08
○ 2026-06-25 13:42:52
● 2026-06-26 05:14:44
● 2026-08-06 21:23:04

●A2001:df6:7280::92:2062026-02-16 → 2026-08-06 · 5 obs

○ 2021-11-03 23:30:18
● 2026-02-16 22:27:08
○ 2026-06-25 13:42:52
● 2026-06-26 05:14:44
● 2026-08-06 21:23:04

●A2001:df6:7280::92:2072026-02-16 → 2026-08-06 · 5 obs

○ 2021-11-03 23:30:18
● 2026-02-16 22:27:08
○ 2026-06-25 13:42:52
● 2026-06-26 05:14:44
● 2026-08-06 21:23:04

●A2001:df6:7280::92:2082026-02-16 → 2026-08-06 · 5 obs

○ 2021-11-03 23:30:18
● 2026-02-16 22:27:08
○ 2026-06-25 13:42:52
● 2026-06-26 05:14:44
● 2026-08-06 21:23:04

○A2401:b140:1::92:2032021-11-03 → 2021-11-03 · 4 obs

○ 2019-04-01 12:18:04
● 2021-11-03 23:30:18
○ 2026-02-16 22:27:08
○ 2026-08-06 21:23:04

○A2401:b140:1::92:2042021-11-03 → 2021-11-03 · 4 obs

○ 2019-04-01 12:18:04
● 2021-11-03 23:30:18
○ 2026-02-16 22:27:08
○ 2026-08-06 21:23:04

○A2401:b140:1::92:2052021-11-03 → 2021-11-03 · 4 obs

○ 2019-04-01 12:18:04
● 2021-11-03 23:30:18
○ 2026-02-16 22:27:08
○ 2026-08-06 21:23:04

○A2401:b140:1::92:2062021-11-03 → 2021-11-03 · 4 obs

○ 2019-04-01 12:18:04
● 2021-11-03 23:30:18
○ 2026-02-16 22:27:08
○ 2026-08-06 21:23:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
space	ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info	8 records
mempool.space	ns1.va1.wiz.biz, ns1.fra.wiz.biz, ns2.tk7.wiz.biz, ns2.va1.wiz.biz...	-

✅ Authoritative Response

Server:103.99.168.21

NS records: ns1.va1.wiz.biz, ns1.fra.wiz.biz, ns2.tk7.wiz.biz, ns2.va1.wiz.biz, ns1.tk7.wiz.biz, ns2.fra.wiz.biz

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 945ms | Queries: -

📄 Records

Type	Count	Sample Data
A	7	`103.165.192.202, 103.165.192.203...`
AAAA	7	`2001:df6:7280::92:203, 2001:df6:7280::92:206...`
NS	6	`ns2.fra.wiz.biz, ns1.fra.wiz.biz...`
MX	5	`alt2.aspmx.l.google.com (pri: 5), aspmx.l.google.com (pri: 1)...`
TXT	4	`google-site-verification=096MJB4p5rI3Dff, google-site-verification=1btI0i4yrHG-Dtl...`
SOA	1	`dns.wiz.biz noc.wiz.biz`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns01.trs-dns.com, ns01.trs-dns.com, ns01.trs-dns.net...)

Analysis

Hierarchy

mempool.space is the parent domain of node201.mempool.space and stats.mempool.space.

IP Addresses

mempool.space resolves to 14 IP numbers: 103.165.192.202, 103.165.192.203, 103.165.192.204 and 11 other.

mempool.space shares its IP numbers with other host names like prod.any.mempool.space, mempool.ninja and mempool.holdings.

Name Servers

mempool.space is delegated to 7 name servers: dns.wiz.biz, ns1.fra.wiz.biz, ns2.fra.wiz.biz and 4 other.

mempool.space shares at least some of its name servers with other domains, including mempool.chat, 170.99.103.in-addr.arpa, 171.99.103.in-addr.arpa and two others.

These name servers are frequently seen alongside ns1.tk7.wiz.biz, ns2.tk7.wiz.biz, ns1.va1.wiz.biz and 5 other name servers.

Host names with two IP numbers:

ns1.fra.wiz.biz points to 103.99.171.21 and 2401:b140:2::20:21.

ns2.fra.wiz.biz points to 103.99.171.22 and 2401:b140:2::20:22.

ns1.tk7.wiz.biz points to 103.99.169.21 and 2401:b140:3::20:21.

ns2.tk7.wiz.biz points to 103.99.169.22 and 2401:b140:3::20:22.

ns1.va1.wiz.biz points to 103.99.168.21 and 2401:b140:4::20:21.

ns2.va1.wiz.biz points to 103.99.168.22 and 2401:b140:4::20:22.