🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`firstpass.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:3d3a^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:ceb8^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.61.58^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.206.184^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`otto.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c87^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`otto.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c387^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`otto.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2387^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`otto.ns.cloudflare.com`
		A	108.162.195.135^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`otto.ns.cloudflare.com`
		A	162.159.44.135^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`otto.ns.cloudflare.com`
		A	172.64.35.135^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`otto.ns.cloudflare.com`
NS	`paislee.ns.cloudflare.com`
		A	2606:4700:50::a29f:26b7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`paislee.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2b7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`paislee.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22b7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`paislee.ns.cloudflare.com`
		A	108.162.194.183^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`paislee.ns.cloudflare.com`
		A	162.159.38.183^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`paislee.ns.cloudflare.com`
		A	172.64.34.183^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`paislee.ns.cloudflare.com`
MX	`mx01.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
MX	`mx02.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
TXT	`apple-domain=xyjAwYJ2nDNAFxqw`
TXT	`v=spf1 include:icloud.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.61.58, 172.67.206.184
		IPv6 hints	2606:4700:3031::6815:3d3a, 2606:4700:3037::ac43:ceb8
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=107, name=cloudflare-ech.com
SOA	`otto.ns.cloudflare.com`dns@cloudflare.com serial=2413653160

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Same first word

Similar names

spritfass.de

passfirst.co.uk

passfirst.uk

passfirst.com

passfirst.io

passfirst.ie

passfirst.app

rfpassist.com

passfirst.media

passfirst.sg

Previous names

Next names

DNS History

12 records (8 active, 4 former)

●NSotto.ns.cloudflare.com2026-09-07 → 2026-09-13 · 2 obs

● 2026-09-07 05:14:34
● 2026-09-13 19:01:18

●NSpaislee.ns.cloudflare.com2026-09-07 → 2026-09-13 · 2 obs

● 2026-09-07 05:14:34
● 2026-09-13 19:01:18

●MXmx01.mail.icloud.com2026-09-07 → 2026-09-13 · 2 obs

● 2026-09-07 05:14:34
● 2026-09-13 19:01:18

●MXmx02.mail.icloud.com2026-09-07 → 2026-09-13 · 2 obs

● 2026-09-07 05:14:34
● 2026-09-13 19:01:18

●A104.21.61.582026-09-07 → 2026-09-13 · 3 obs

○ 2026-09-07 05:14:34
● 2026-09-07 11:22:20
● 2026-09-13 19:01:18

●A172.67.206.1842026-09-07 → 2026-09-13 · 3 obs

○ 2026-09-07 05:14:34
● 2026-09-07 11:22:20
● 2026-09-13 19:01:18

○A188.114.96.02026-09-07 → 2026-09-07 · 3 obs

● 2026-09-07 05:14:34
○ 2026-09-07 11:22:20
○ 2026-09-13 19:01:18

○A188.114.97.02026-09-07 → 2026-09-07 · 3 obs

● 2026-09-07 05:14:34
○ 2026-09-07 11:22:20
○ 2026-09-13 19:01:18

●A2606:4700:3031::6815:3d3a2026-09-07 → 2026-09-13 · 3 obs

○ 2026-09-07 05:14:34
● 2026-09-07 11:22:20
● 2026-09-13 19:01:18

●A2606:4700:3037::ac43:ceb82026-09-07 → 2026-09-13 · 3 obs

○ 2026-09-07 05:14:34
● 2026-09-07 11:22:20
● 2026-09-13 19:01:18

○A2a06:98c1:3120::2026-09-07 → 2026-09-07 · 3 obs

● 2026-09-07 05:14:34
○ 2026-09-07 11:22:20
○ 2026-09-13 19:01:18

○A2a06:98c1:3121::2026-09-07 → 2026-09-07 · 3 obs

● 2026-09-07 05:14:34
○ 2026-09-07 11:22:20
○ 2026-09-13 19:01:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
firstpass.dev	otto.ns.cloudflare.com, paislee.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.135

NS records: otto.ns.cloudflare.com, paislee.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstpass.dev (unsigned zone)

⏱️ Timing

Total: 2107ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.61.58, 172.67.206.184`
AAAA	2	`2606:4700:3037::ac43:ceb8, 2606:4700:3031::6815:3d3a`
NS	2	`otto.ns.cloudflare.com, paislee.ns.cloudflare.com`
MX	2	`mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10)`
TXT	2	`apple-domain=xyjAwYJ2nDNAFxqw, v=spf1 include:icloud.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`otto.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

firstpass.dev resolves to four IP addresses: 104.21.61.58, 172.67.206.184, 2606:4700:3031::6815:3d3a and 2606:4700:3037::ac43:ceb8.

Two other host names, along with joeranft.com, usabet.bid and 1win-bix3.casino, also share IP numbers with firstpass.dev.

Name Servers

firstpass.dev has two authoritative name servers — otto.ns.cloudflare.com and paislee.ns.cloudflare.com.

firstpass.dev shares its NS records with other domains, for example gayebminnie.pages.dev, lotustechworks.com.au, eraledger.io and two others.

firstpass.dev shares at least some of its name servers with other domains, including usocona.cc, uhdwallpaperscategorynaturepage-14.pages.dev, altsgalore.com and two others.

These name servers are frequently paired with the name servers kayden.ns.cloudflare.com and kehlani.ns.cloudflare.com.

DNS names with 6 IP addresses:

otto.ns.cloudflare.com points to 108.162.195.135, 162.159.44.135, 172.64.35.135 and 3 other IP addresses.

paislee.ns.cloudflare.com points to 108.162.194.183, 162.159.38.183, 172.64.34.183 and 3 other IP addresses.

Mail Servers

firstpass.dev is served by two mail servers, mx01.mail.icloud.com and mx02.mail.icloud.com.

Among the domains sharing a mail server setup with firstpass.dev are braddon.co.uk, tryvalue.ai, geoffreymaster.com and two others.

firstpass.dev has at least some mail servers in common with other domains, such as vslicitacoes.com, saschakiesow.de, heavydutyplumbingllc.com and ibeky.cz.

DNS names with 6 IP addresses:

mx01.mail.icloud.com points to 17.42.251.62, 17.56.9.31, 17.57.152.5 and 3 other IP addresses.

mx02.mail.icloud.com points to 17.42.251.62, 17.56.9.31, 17.57.152.5 and 3 other IP addresses.

The host names mx01.mail.icloud.com and mx02.mail.icloud.com both resolve to 17.42.251.62 IP addresses.

The host names mx01.mail.icloud.com and mx02.mail.icloud.com both resolve to 17.56.9.31 IP addresses.

The host names mx01.mail.icloud.com and mx02.mail.icloud.com both resolve to 17.57.152.5 IP addresses.

The host names mx01.mail.icloud.com and mx02.mail.icloud.com both resolve to 17.57.154.33 IP addresses.

The host names mx01.mail.icloud.com and mx02.mail.icloud.com both resolve to 17.57.155.25 IP addresses.

The host names mx01.mail.icloud.com and mx02.mail.icloud.com both resolve to 17.57.156.30 IP addresses.

firstpass.dev - robtex.com

firstpass.dev

dev

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`firstpass.dev`

`dev`