🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`referencecheck.jp`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:31c1^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:a693^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.49.193^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.166.147^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`chip.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b54^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chip.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c154^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`chip.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2154^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`chip.ns.cloudflare.com`
		A	108.162.193.84^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chip.ns.cloudflare.com`
		A	172.64.33.84^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chip.ns.cloudflare.com`
		A	173.245.59.84^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chip.ns.cloudflare.com`
NS	`michelle.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ac9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`michelle.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0c9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`michelle.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20c9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`michelle.ns.cloudflare.com`
		A	108.162.192.201^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`michelle.ns.cloudflare.com`
		A	172.64.32.201^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`michelle.ns.cloudflare.com`
		A	173.245.58.201^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`michelle.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f27.1e100.net`
		A	192.178.155.26^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.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::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`google-site-verification=pUr8Ls8I3as2TzchCR5pXUKVUkyJLj19HEFDUNbLj7c`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.49.193, 172.67.166.147
		IPv6 hints	2606:4700:3032::6815:31c1, 2606:4700:3034::ac43:a693
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=199, name=cloudflare-ech.com
SOA	`chip.ns.cloudflare.com`dns@cloudflare.com serial=2415648093

`jp`

	DNSSEC	🔒 Signed (DS record present)
	NS	`z.dns.jp` ⭐
	NS	`a.dns.jp`
	NS	`b.dns.jp`
	NS	`c.dns.jp`
	NS	`d.dns.jp`
	NS	`e.dns.jp`
	NS	`f.dns.jp`
	NS	`g.dns.jp`
	NS	`h.dns.jp`
	SOA	`z.dns.jp`root@dns.jp serial=1790226002

Same first word

Similar names

checkreference.top

checkreference.com

Previous names

Next names

DNS History

11 records (11 active, 0 former)

●NSchip.ns.cloudflare.com2026-09-18 → 2026-09-24 · 2 obs

● 2026-09-18 00:14:02
● 2026-09-24 05:12:06

●NSmichelle.ns.cloudflare.com2026-09-18 → 2026-09-24 · 2 obs

● 2026-09-18 00:14:02
● 2026-09-24 05:12:06

●MXalt1.aspmx.l.google.com2026-09-18 → 2026-09-24 · 2 obs

● 2026-09-18 00:14:02
● 2026-09-24 05:12:06

●MXalt2.aspmx.l.google.com2026-09-18 → 2026-09-24 · 2 obs

● 2026-09-18 00:14:02
● 2026-09-24 05:12:06

●MXalt3.aspmx.l.google.com2026-09-18 → 2026-09-24 · 2 obs

● 2026-09-18 00:14:02
● 2026-09-24 05:12:06

●MXalt4.aspmx.l.google.com2026-09-18 → 2026-09-24 · 2 obs

● 2026-09-18 00:14:02
● 2026-09-24 05:12:06

●MXaspmx.l.google.com2026-09-18 → 2026-09-24 · 2 obs

● 2026-09-18 00:14:02
● 2026-09-24 05:12:06

●A104.21.49.1932026-09-18 → 2026-09-24 · 2 obs

● 2026-09-18 00:14:02
● 2026-09-24 05:12:06

●A172.67.166.1472026-09-18 → 2026-09-24 · 2 obs

● 2026-09-18 00:14:02
● 2026-09-24 05:12:06

●A2606:4700:3032::6815:31c12026-09-18 → 2026-09-24 · 2 obs

● 2026-09-18 00:14:02
● 2026-09-24 05:12:06

●A2606:4700:3034::ac43:a6932026-09-18 → 2026-09-24 · 2 obs

● 2026-09-18 00:14:02
● 2026-09-24 05:12:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, e.dns.jp, b.dns.jp, f.dns.jp...	15 records
referencecheck.jp	michelle.ns.cloudflare.com, chip.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.84

NS records: michelle.ns.cloudflare.com, chip.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for referencecheck.jp (unsigned zone)

⏱️ Timing

Total: 1080ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.166.147, 104.21.49.193`
AAAA	2	`2606:4700:3034::ac43:a693, 2606:4700:3032::6815:31c1`
NS	2	`chip.ns.cloudflare.com, michelle.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	1	`google-site-verification=pUr8Ls8I3as2Tzc`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`chip.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 15

In-bailiwick: 15 (a.dns.jp, b.dns.jp, c.dns.jp...)

Analysis

IP Addresses

referencecheck.jp directs to four IP numbers, which are 104.21.49.193, 172.67.166.147, 2606:4700:3032::6815:31c1 and 2606:4700:3034::ac43:a693.

nemovegas.net, dumapet.com, vprn.com plus two other host names have IP numbers in common with referencecheck.jp.

Name Servers

DNS delegation for referencecheck.jp points to two name servers: chip.ns.cloudflare.com and michelle.ns.cloudflare.com.

The name server configuration of referencecheck.jp is shared with other domains, for instance ultradash.com, luluvt.com, iastro.io and two others.

The name servers of referencecheck.jp overlap at least partially with those of other domains — among them zz666.win, lukasz1-wesolowski.workers.dev, sky-gc.com and two more.

These name servers commonly appear in combination with the name servers etienne.ns.cloudflare.com.

Hosts with 6 IP addresses each:

chip.ns.cloudflare.com has IP addresses 108.162.193.84, 172.64.33.84 and 173.245.59.84, plus 3 other.

michelle.ns.cloudflare.com has IP addresses 108.162.192.201, 172.64.32.201 and 173.245.58.201, plus 3 other.

Mail Servers

Five mail servers handle referencecheck.jp: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

At least some of the mail servers used by referencecheck.jp are shared with other domains: dansindiereen.com, finohairglow.eu, barbarahassandesigns.com and two others among them.

These mail servers often appear in conjunction with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names pointing to two IP addresses:

aspmx.l.google.com has two IP addresses: 192.178.155.26 and 2607:f8b0:4004:c1b::1b.

alt1.aspmx.l.google.com has two IP addresses: 192.178.234.26 and 2800:3f0:4003:c14::1b.

alt2.aspmx.l.google.com has two IP addresses: 172.253.116.26 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com has two IP addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com has two IP addresses: 172.253.157.27 and 2a00:1450:400c:c23::1a.