obfs.dev - dns.ninja

`obfs.dev`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3034::6815:44f4^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:c849^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.68.244^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.200.73^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ajay.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b38^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ajay.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c138^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ajay.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2138^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ajay.ns.cloudflare.com`
		A	108.162.193.56^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ajay.ns.cloudflare.com`
		A	172.64.33.56^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ajay.ns.cloudflare.com`
		A	173.245.59.56^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ajay.ns.cloudflare.com`
NS	`deb.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a5c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`deb.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c05c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`deb.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:205c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`deb.ns.cloudflare.com`
		A	108.162.192.92^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`deb.ns.cloudflare.com`
		A	172.64.32.92^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`deb.ns.cloudflare.com`
		A	173.245.58.92^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`deb.ns.cloudflare.com`
MX	`obfs-dev.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc09::^{🇸🇬 Microsoft2a01:111:f000::/36}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::8^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tydpr03cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1f::4^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os8pr02cu00104.inbound.protection.outlook.com`
		A	52.101.124.117^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-tydpr03cu00105.inbound.protection.outlook.com`
		A	52.101.137.0^{🇸🇬 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	52.101.157.80^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os8pr02cu00100.inbound.protection.outlook.com`
TXT	`MS=ms63615892`
TXT	`google-site-verification=ZaEW_3fYl20D0i8nwC16PY6ngMV1mYV72KVY96Dk5aE`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.68.244, 172.67.200.73
		IPv6 hints	2606:4700:3034::6815:44f4, 2606:4700:3035::ac43:c849
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=156, name=cloudflare-ech.com
SOA	`ajay.ns.cloudflare.com`dns@cloudflare.com serial=2406902979

`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)

Subdomains

pixiv.obfs.dev

Same first word

obfs.net

obfs.dev

obfs.email

obfs.com

obfs.org

Similar names

sfob.in

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fsbo.pro

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sobf.com

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bsfo.com

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sbof.xyz

bofs.com

bfso.com.br

sfbo.com.br

sofb.fr

ofbs.info

fsbo.systems

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sfob.s3.amazonaws.com

sofb.net

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fsbo.(0x787878)

fsbo.me

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fobs.jp

osfb.org

osbf.de

bfos.cn

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bfos.org

bofs.org

fsob.com

bosf.de

fobs.dk

bsof.xyz

bofs.co.uk

fobs.org

bofs.is

sbof.se

bfos.com.au

fsbo.properties

DNS History

7 records (7 active, 0 former)

●NSajay.ns.cloudflare.com2026-02-17 → 2026-06-23 · 2 obs

● 2026-02-17 09:26:38
● 2026-06-23 17:59:18

●NSdeb.ns.cloudflare.com2026-02-17 → 2026-06-23 · 2 obs

● 2026-02-17 09:26:38
● 2026-06-23 17:59:18

●MXobfs-dev.mail.protection.outlook.com2026-02-17 → 2026-06-23 · 2 obs

● 2026-02-17 09:26:38
● 2026-06-23 17:59:18

●A104.21.68.2442026-02-17 → 2026-06-23 · 2 obs

● 2026-02-17 09:26:38
● 2026-06-23 17:59:18

●A172.67.200.732026-02-17 → 2026-06-23 · 2 obs

● 2026-02-17 09:26:38
● 2026-06-23 17:59:18

●A2606:4700:3034::6815:44f42026-02-17 → 2026-06-23 · 2 obs

● 2026-02-17 09:26:38
● 2026-06-23 17:59:18

●A2606:4700:3035::ac43:c8492026-02-17 → 2026-06-23 · 2 obs

● 2026-02-17 09:26:38
● 2026-06-23 17:59:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
obfs.dev	deb.ns.cloudflare.com, ajay.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.56

NS records: deb.ns.cloudflare.com, ajay.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 489ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.200.73, 104.21.68.244`
AAAA	2	`2606:4700:3034::6815:44f4, 2606:4700:3035::ac43:c849`
NS	2	`ajay.ns.cloudflare.com, deb.ns.cloudflare.com`
MX	1	`obfs-dev.mail.protection.outlook.com (pr`
TXT	3	`MS=ms63615892, google-site-verification=ZaEW_3fYl20D0i8...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ajay.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

The domain pixiv.obfs.dev falls under the parent obfs.dev.

IP Addresses

obfs.dev points to the four IP addresses 104.21.68.244, 172.67.200.73, 2606:4700:3034::6815:44f4 and 2606:4700:3035::ac43:c849.

Among the host names that share IP numbers with obfs.dev are bpi-kurs.com, xmxxzx.com, sinjefes.com and two others.

Name Servers

obfs.dev is delegated to two name servers: ajay.ns.cloudflare.com and deb.ns.cloudflare.com.

obfs.dev has the same name server delegation as a number of other domains, such as craiglevinforjudge.com, terorero.com, cukuli.org.ru and two more.

At least some of obfs.dev's name servers are shared with other domains, for example first5.org, summitdentalpractice.com, top(0x68656e746169).com and two more.

These name servers tend to be deployed in combination with the name servers paityn.ns.cloudflare.com and olivia.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

ajay.ns.cloudflare.com resolves to 108.162.193.56, 172.64.33.56, 173.245.59.56 and 3 other IP addresses.

deb.ns.cloudflare.com resolves to 108.162.192.92, 172.64.32.92, 173.245.58.92 and 3 other IP addresses.

Mail Servers

obfs.dev routes its mail through a single mail server, obfs-dev.mail.protection.outlook.com.

obfs-dev.mail.protection.outlook.com directs to 6 IP numbers, including 52.101.124.117, 52.101.137.0 and 52.101.157.80, along with 3 other.