🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`ryanmjacobson.dev`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3030::ac43:d3a1^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:25b6^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.37.182^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.211.161^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bristol.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:262f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bristol.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c22f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bristol.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:222f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bristol.ns.cloudflare.com`
		A	108.162.194.47^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bristol.ns.cloudflare.com`
		A	162.159.38.47^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bristol.ns.cloudflare.com`
		A	172.64.34.47^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bristol.ns.cloudflare.com`
NS	`scott.ns.cloudflare.com`
		A	2606:4700:58::adf5:3be6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`scott.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1e6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`scott.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21e6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`scott.ns.cloudflare.com`
		A	108.162.193.230^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`scott.ns.cloudflare.com`
		A	172.64.33.230^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`scott.ns.cloudflare.com`
		A	173.245.59.230^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`scott.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=I2qtvgulgCTcXKvc`
TXT	`v=spf1 include:icloud.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.37.182, 172.67.211.161
		IPv6 hints	2606:4700:3030::ac43:d3a1, 2606:4700:3034::6815:25b6
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=192, name=cloudflare-ech.com
SOA	`bristol.ns.cloudflare.com`dns@cloudflare.com serial=2417621421

`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

ryanmjacobson.dev

ryanmjacobson.com

Previous names

Next names

DNS History

12 records (8 active, 4 former)

●NSbristol.ns.cloudflare.com2026-10-15 → 2026-10-29 · 2 obs

● 2026-10-15 02:21:26
● 2026-10-29 07:35:00

●NSscott.ns.cloudflare.com2026-10-15 → 2026-10-29 · 2 obs

● 2026-10-15 02:21:26
● 2026-10-29 07:35:00

●MXmx01.mail.icloud.com2026-10-15 → 2026-10-29 · 2 obs

● 2026-10-15 02:21:26
● 2026-10-29 07:35:00

●MXmx02.mail.icloud.com2026-10-15 → 2026-10-29 · 2 obs

● 2026-10-15 02:21:26
● 2026-10-29 07:35:00

●A104.21.37.1822026-10-29 → 2026-10-29 · 3 obs

○ 2026-10-15 02:21:26
● 2026-10-29 04:06:12
● 2026-10-29 07:35:00

●A172.67.211.1612026-10-29 → 2026-10-29 · 3 obs

○ 2026-10-15 02:21:26
● 2026-10-29 04:06:12
● 2026-10-29 07:35:00

○A188.114.96.42026-10-15 → 2026-10-15 · 3 obs

● 2026-10-15 02:21:26
○ 2026-10-29 04:06:12
○ 2026-10-29 07:35:00

○A188.114.97.42026-10-15 → 2026-10-15 · 3 obs

● 2026-10-15 02:21:26
○ 2026-10-29 04:06:12
○ 2026-10-29 07:35:00

●A2606:4700:3030::ac43:d3a12026-10-29 → 2026-10-29 · 3 obs

○ 2026-10-15 02:21:26
● 2026-10-29 04:06:12
● 2026-10-29 07:35:00

●A2606:4700:3034::6815:25b62026-10-29 → 2026-10-29 · 3 obs

○ 2026-10-15 02:21:26
● 2026-10-29 04:06:12
● 2026-10-29 07:35:00

○A2a06:98c1:3120::42026-10-15 → 2026-10-15 · 3 obs

● 2026-10-15 02:21:26
○ 2026-10-29 04:06:12
○ 2026-10-29 07:35:00

○A2a06:98c1:3121::42026-10-15 → 2026-10-15 · 3 obs

● 2026-10-15 02:21:26
○ 2026-10-29 04:06:12
○ 2026-10-29 07:35:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
ryanmjacobson.dev	scott.ns.cloudflare.com, bristol.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.230

NS records: scott.ns.cloudflare.com, bristol.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1679ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.211.161, 104.21.37.182`
AAAA	2	`2606:4700:3034::6815:25b6, 2606:4700:3030::ac43:d3a1`
NS	2	`bristol.ns.cloudflare.com, scott.ns.cloudflare.com`
MX	2	`mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10)`
TXT	2	`apple-domain=I2qtvgulgCTcXKvc, v=spf1 include:icloud.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bristol.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

ryanmjacobson.dev directs to four IP numbers, which are 104.21.37.182, 172.67.211.161, 2606:4700:3030::ac43:d3a1 and 2606:4700:3034::6815:25b6.

rubiqlabs.com, betflikusa1.com, a2gi.net and two other host names share IP numbers with ryanmjacobson.dev.

Name Servers

Two name servers handle the delegation for ryanmjacobson.dev: bristol.ns.cloudflare.com and scott.ns.cloudflare.com.

ryanmjacobson.dev uses the same name servers as several other domains — among them noga.ovh, ask-alfred.workers.dev, dsfulfill-admin-dist.pages.dev and two more.

The name servers of ryanmjacobson.dev overlap at least partially with those of other domains — among them 9el8viy9.pages.dev, cpzhan.cc, alicemyrafc9i5.pages.dev and two more.

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

Hostnames that resolve to 6 IP addresses:

bristol.ns.cloudflare.com resolves to 108.162.194.47, 162.159.38.47 and 172.64.34.47 among others, with 3 other IP addresses in total.

scott.ns.cloudflare.com resolves to 108.162.193.230, 172.64.33.230 and 173.245.59.230 among others, with 3 other IP addresses in total.

Mail Servers

Mail for ryanmjacobson.dev is handled by two mail servers — mx01.mail.icloud.com and mx02.mail.icloud.com.

ryanmjacobson.dev uses an identical mail server configuration to several other domains — among them phoenixevolved.com, adiadproperties.com, delroio.com and two more.

ryanmjacobson.dev has mail servers in common with other domains — airescapeaviation.com being one example.

Hostnames that resolve to 6 IP addresses:

mx01.mail.icloud.com resolves to 17.42.251.62, 17.56.9.31 and 17.57.152.5 among others, with 3 other IP addresses in total.

mx02.mail.icloud.com resolves to 17.42.251.62, 17.56.9.31 and 17.57.152.5 among others, with 3 other IP addresses in total.

mx01.mail.icloud.com along with mx02.mail.icloud.com each resolve to 17.42.251.62 IP addresses.

mx01.mail.icloud.com along with mx02.mail.icloud.com each resolve to 17.56.9.31 IP addresses.

mx01.mail.icloud.com along with mx02.mail.icloud.com each resolve to 17.57.152.5 IP addresses.

mx01.mail.icloud.com along with mx02.mail.icloud.com each resolve to 17.57.154.33 IP addresses.

mx01.mail.icloud.com along with mx02.mail.icloud.com each resolve to 17.57.155.25 IP addresses.

mx01.mail.icloud.com along with mx02.mail.icloud.com each resolve to 17.57.156.30 IP addresses.

ryanmjacobson.dev - robtex.com