🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`rubygem.pub`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:da9b^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:4e51^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.78.81^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.218.155^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jean.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a79^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jean.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c079^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jean.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2079^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jean.ns.cloudflare.com`
		A	108.162.192.121^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jean.ns.cloudflare.com`
		A	172.64.32.121^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jean.ns.cloudflare.com`
		A	173.245.58.121^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jean.ns.cloudflare.com`
NS	`ken.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b7f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ken.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c17f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ken.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:217f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ken.ns.cloudflare.com`
		A	108.162.193.127^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ken.ns.cloudflare.com`
		A	172.64.33.127^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ken.ns.cloudflare.com`
		A	173.245.59.127^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ken.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.78.81, 172.67.218.155
		IPv6 hints	2606:4700:3034::ac43:da9b, 2606:4700:3035::6815:4e51
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=226, name=cloudflare-ech.com
SOA	`jean.ns.cloudflare.com`dns@cloudflare.com serial=2419335178

`pub`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.pub` ⭐
	NS	`v0n1.nic.pub`
	NS	`v0n2.nic.pub`
	NS	`v0n3.nic.pub`
	NS	`v2n0.nic.pub`
	NS	`v2n1.nic.pub`
	SOA	`v0n0.nic.pub`hostmaster@donuts.email serial=1794426088

⚠️ On DNS blocklist: spam-tlds

Same first word

rubygem.ch

rubygem.pub

rubygem.co.uk

rubygem.dev

rubygem.homes

rubygem.com

rubygem.blog

rubygem.org

Similar names

meyburg.de

meyburg.org

myeburg.net

meyburg.xyz

meyburg.biz

yumberg.com

meyburg.com

meyburg.immo

gumyber.com

meyburg.cc

meyburg.group

bmyureg.monster

meyburg.art

bmyureg.online

bmyureg.shop

mugeyrb.com

meyburg.uk

gemruby.com

meyburg.berlin

grumbey.co

mybuger.com

myguber.com

gembury.com

meyburg.info

meyburg.eu

mgbuyer.com

bmyureg.rest

gemruby.blog

rugbyme.com

bmyureg.bar

merugby.co.nz

meyburg.net

gmbuyer.com

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megruby.com

gumyber.cz

bygurme.com.tr

Previous names

rrr.pub

rsa.pub

rsd.pub

rsh.pub

rsm.pub

rsn.pub

rss.pub

rss2.pub

rst.pub

rsvp.pub

rt.pub

rtb.pub

rtd.pub

rtp.pub

rts.pub

ru.pub

ruanxinkeji.pub

rub.pub

Next names

ruco.pub

rudy.pub

ruf.pub

ruffdraft.pub

ruggers.pub

ruichen.pub

ruikoto.pub

(0x72756c653334).pub

ruleoflawnews.pub

ruler.pub

ruliad.pub

rumata.pub

rumisland.pub

run.pub

runchero.pub

ruperts.pub

rus.pub

rush.pub

rusmir.pub

russ.pub

DNS History

10 records (6 active, 4 former)

●NSjean.ns.cloudflare.com2026-09-07 → 2026-11-11 · 2 obs

● 2026-09-07 22:03:30
● 2026-11-11 20:30:34

●NSken.ns.cloudflare.com2026-09-07 → 2026-11-11 · 2 obs

● 2026-09-07 22:03:30
● 2026-11-11 20:30:34

●A104.21.78.812026-09-15 → 2026-11-11 · 13 obs

○ 2026-09-07 22:03:30
● 2026-09-15 06:56:24
○ 2026-09-20 22:28:30
● 2026-09-24 07:32:08
○ 2026-09-25 23:38:06
● 2026-09-26 16:11:22
○ 2026-09-29 16:09:44
● 2026-10-01 04:17:38
○ 2026-10-02 10:22:58
● 2026-10-03 20:22:36
○ 2026-10-22 18:13:46
● 2026-10-27 02:34:48
● 2026-11-11 20:30:34

●A172.67.218.1552026-09-15 → 2026-11-11 · 13 obs

○A188.114.96.02026-09-07 → 2026-10-22 · 13 obs

● 2026-09-07 22:03:30
○ 2026-09-15 06:56:24
● 2026-09-20 22:28:30
○ 2026-09-24 07:32:08
● 2026-09-25 23:38:06
○ 2026-09-26 16:11:22
● 2026-09-29 16:09:44
○ 2026-10-01 04:17:38
● 2026-10-02 10:22:58
○ 2026-10-03 20:22:36
● 2026-10-22 18:13:46
○ 2026-10-27 02:34:48
○ 2026-11-11 20:30:34

○A188.114.97.02026-09-07 → 2026-10-22 · 13 obs

●A2606:4700:3034::ac43:da9b2026-09-15 → 2026-11-11 · 13 obs

●A2606:4700:3035::6815:4e512026-09-15 → 2026-11-11 · 13 obs

○A2a06:98c1:3120::2026-09-07 → 2026-10-22 · 13 obs

○A2a06:98c1:3121::2026-09-07 → 2026-10-22 · 13 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pub	v0n0.nic.pub, v0n1.nic.pub, v0n2.nic.pub, v0n3.nic.pub...	12 records
rubygem.pub	ken.ns.cloudflare.com, jean.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.127

NS records: ken.ns.cloudflare.com, jean.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rubygem.pub (unsigned zone)

⏱️ Timing

Total: 842ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.218.155, 104.21.78.81`
AAAA	2	`2606:4700:3034::ac43:da9b, 2606:4700:3035::6815:4e51`
NS	2	`jean.ns.cloudflare.com, ken.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jean.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.pub, v0n0.nic.pub, v0n1.nic.pub...)

Analysis

IP Addresses

rubygem.pub points to the four IP addresses 104.21.78.81, 172.67.218.155, 2606:4700:3034::ac43:da9b and 2606:4700:3035::6815:4e51.

bizcenterai.com, leathams.uk, ironyinlet.com and two other host names share IP numbers with rubygem.pub.

Name Servers

DNS delegation for rubygem.pub points to two name servers: jean.ns.cloudflare.com and ken.ns.cloudflare.com.

rubygem.pub uses the same name servers as several other domains — among them news-mahango.pages.dev, rebar.bond, haitianpie18essaie.pages.dev and two more.

The name servers of rubygem.pub overlap at least partially with those of other domains — among them auto-detektiv.com, saascommunity.com, lemanhouse.top and two more.

The name servers lisa.ns.cloudflare.com, brian.ns.cloudflare.com and celine.ns.cloudflare.com are commonly seen alongside these name servers.

Hostnames that resolve to 6 IP addresses:

jean.ns.cloudflare.com has IP addresses 108.162.192.121, 172.64.32.121 and 173.245.58.121, plus 3 other.

ken.ns.cloudflare.com has IP addresses 108.162.193.127, 172.64.33.127 and 173.245.59.127, plus 3 other.

rubygem.pub - robtex.com

rubygem.pub

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