ostberg.dev - dns.ninja

`ostberg.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:bf5f^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:5469^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.84.105^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.191.95^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`athena.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a48^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`athena.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c048^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`athena.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2048^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`athena.ns.cloudflare.com`
		A	108.162.192.72^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`athena.ns.cloudflare.com`
		A	172.64.32.72^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`athena.ns.cloudflare.com`
		A	173.245.58.72^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`athena.ns.cloudflare.com`
NS	`cesar.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c77^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cesar.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c377^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cesar.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2377^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cesar.ns.cloudflare.com`
		A	108.162.195.119^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cesar.ns.cloudflare.com`
		A	162.159.44.119^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cesar.ns.cloudflare.com`
		A	172.64.35.119^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cesar.ns.cloudflare.com`
MX	`route1.mx.cloudflare.net` ⭐
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁷⁰⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁸⁸⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
TXT	`google-site-verification=vfF6d1uaM7jqUoYQT7d8bD9B1ozE00Il-3Bk48R7fiQ`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.84.105, 172.67.191.95
		IPv6 hints	2606:4700:3033::ac43:bf5f, 2606:4700:3035::6815:5469
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=248, name=cloudflare-ech.com
SOA	`athena.ns.cloudflare.com`dns@cloudflare.com serial=2406873858

`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

www.ostberg.dev

Same first word

ostberg.se

ostberg.pro

ostberg.nu

ostberg.de

ostberg.net

ostberg.com

ostberg.no

ostberg.dk

ostberg.msk.ru

ostberg.cn

ostberg.at

ostberg.com.ua

ostberg.dev

ostberg.ru

ostberg.eu

Similar names

gertsbo.se

bergost.at

grobste.in

gestorb.net

grobest.com.vn

grosbet.com

stoberg.com

gestorb.com

grobest.vn

gobrest.com

gbstore.ru

gbstore.ca

betgros.com

gbstore.net.br

gobster.se

bgstore.com

bgstore.com.br

grobest.com.cn

gertbos.nl

gosbert.nl

grobest.co.in

bogerts.de

sotberg.no

bestorg.eu

bgstore.de

tosberg.de

bgstore.com.tr

gbstore.com

gestorb.io

borgste.de

bgstore.net

grobest.com

bgresto.com

getbros.com

bestgor.com

gbstore.co

gbstore.jp

bgstore.ae

bestorg.com

tborges.com

storebg.com

DNS History

24 records (9 active, 15 former)

●NSathena.ns.cloudflare.com2026-03-01 → 2026-06-29 · 3 obs

○ 2020-03-19 01:45:32
● 2026-03-01 00:36:40
● 2026-06-29 09:18:50

●NScesar.ns.cloudflare.com2026-03-01 → 2026-06-29 · 3 obs

○ 2020-03-19 01:45:32
● 2026-03-01 00:36:40
● 2026-06-29 09:18:50

○NSns-cloud-b1.googledomains.com2020-03-19 → 2020-03-19 · 3 obs

● 2020-03-19 01:45:32
○ 2026-03-01 00:36:40
○ 2026-06-29 09:18:50

○NSns-cloud-b2.googledomains.com2020-03-19 → 2020-03-19 · 3 obs

● 2020-03-19 01:45:32
○ 2026-03-01 00:36:40
○ 2026-06-29 09:18:50

○NSns-cloud-b3.googledomains.com2020-03-19 → 2020-03-19 · 3 obs

● 2020-03-19 01:45:32
○ 2026-03-01 00:36:40
○ 2026-06-29 09:18:50

○NSns-cloud-b4.googledomains.com2020-03-19 → 2020-03-19 · 3 obs

● 2020-03-19 01:45:32
○ 2026-03-01 00:36:40
○ 2026-06-29 09:18:50

○MXalt1.gmr-smtp-in.l.google.com2020-03-19 → 2020-03-19 · 3 obs

● 2020-03-19 01:45:32
○ 2026-03-01 00:36:40
○ 2026-06-29 09:18:50

○MXalt2.gmr-smtp-in.l.google.com2020-03-19 → 2020-03-19 · 3 obs

● 2020-03-19 01:45:32
○ 2026-03-01 00:36:40
○ 2026-06-29 09:18:50

○MXalt3.gmr-smtp-in.l.google.com2020-03-19 → 2020-03-19 · 3 obs

● 2020-03-19 01:45:32
○ 2026-03-01 00:36:40
○ 2026-06-29 09:18:50

○MXalt4.gmr-smtp-in.l.google.com2020-03-19 → 2020-03-19 · 3 obs

● 2020-03-19 01:45:32
○ 2026-03-01 00:36:40
○ 2026-06-29 09:18:50

○MXgmr-smtp-in.l.google.com2020-03-19 → 2020-03-19 · 3 obs

● 2020-03-19 01:45:32
○ 2026-03-01 00:36:40
○ 2026-06-29 09:18:50

●MXroute1.mx.cloudflare.net2026-03-01 → 2026-06-29 · 3 obs

○ 2020-03-19 01:45:32
● 2026-03-01 00:36:40
● 2026-06-29 09:18:50

●MXroute2.mx.cloudflare.net2026-03-01 → 2026-06-29 · 3 obs

○ 2020-03-19 01:45:32
● 2026-03-01 00:36:40
● 2026-06-29 09:18:50

●MXroute3.mx.cloudflare.net2026-03-01 → 2026-06-29 · 3 obs

○ 2020-03-19 01:45:32
● 2026-03-01 00:36:40
● 2026-06-29 09:18:50

●A104.21.84.1052026-03-01 → 2026-06-29 · 3 obs

○ 2020-03-19 01:45:32
● 2026-03-01 00:36:40
● 2026-06-29 09:18:50

●A172.67.191.952026-03-01 → 2026-06-29 · 3 obs

○ 2020-03-19 01:45:32
● 2026-03-01 00:36:40
● 2026-06-29 09:18:50

○A185.199.108.1532020-03-19 → 2020-03-19 · 3 obs

● 2020-03-19 01:45:32
○ 2026-03-01 00:36:40
○ 2026-06-29 09:18:50

○A185.199.109.1532020-03-19 → 2020-03-19 · 3 obs

● 2020-03-19 01:45:32
○ 2026-03-01 00:36:40
○ 2026-06-29 09:18:50

○A185.199.110.1532020-03-19 → 2020-03-19 · 3 obs

● 2020-03-19 01:45:32
○ 2026-03-01 00:36:40
○ 2026-06-29 09:18:50

○A185.199.111.1532020-03-19 → 2020-03-19 · 3 obs

● 2020-03-19 01:45:32
○ 2026-03-01 00:36:40
○ 2026-06-29 09:18:50

○A2606:4700:3031::6815:54692026-03-01 → 2026-06-17 · 5 obs

○ 2020-03-19 01:45:32
● 2026-03-01 00:36:40
● 2026-06-17 21:52:18
○ 2026-06-29 09:18:48
○ 2026-06-29 09:18:50

●A2606:4700:3033::ac43:bf5f2026-06-29 → 2026-06-29 · 3 obs

○ 2026-06-17 21:52:18
● 2026-06-29 09:18:48
● 2026-06-29 09:18:50

●A2606:4700:3035::6815:54692026-06-29 → 2026-06-29 · 3 obs

○ 2026-06-17 21:52:18
● 2026-06-29 09:18:48
● 2026-06-29 09:18:50

○A2606:4700:3037::ac43:bf5f2026-03-01 → 2026-06-17 · 5 obs

○ 2020-03-19 01:45:32
● 2026-03-01 00:36:40
● 2026-06-17 21:52:18
○ 2026-06-29 09:18:48
○ 2026-06-29 09:18:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
ostberg.dev	cesar.ns.cloudflare.com, athena.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.119

NS records: cesar.ns.cloudflare.com, athena.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ostberg.dev (unsigned zone)

⏱️ Timing

Total: 969ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.191.95, 104.21.84.105`
AAAA	2	`2606:4700:3035::6815:5469, 2606:4700:3033::ac43:bf5f`
NS	2	`athena.ns.cloudflare.com, cesar.ns.cloudflare.com`
MX	3	`route1.mx.cloudflare.net (pri: 28), route3.mx.cloudflare.net (pri: 70)...`
TXT	2	`google-site-verification=vfF6d1uaM7jqUoY, v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`athena.ns.cloudflare.com dns.cloudflare.`

Analysis

Hierarchy

www.ostberg.dev is delegated beneath ostberg.dev.

IP Addresses

ostberg.dev directs to four IP numbers, which are 104.21.84.105, 172.67.191.95, 2606:4700:3033::ac43:bf5f and 2606:4700:3035::6815:5469.

mail.nokrijoin.com, www.miditel.net, appacyber.net plus two other host names have IP numbers in common with ostberg.dev.

Name Servers

The NS records for ostberg.dev delegate to athena.ns.cloudflare.com and cesar.ns.cloudflare.com.

The name server configuration of ostberg.dev is shared with other domains, for instance coldspringsrancheria.gov, instyler.co.uk, movietubenowinhd.com and two others.

There is at least partial name server overlap between ostberg.dev and other domains — coquesace.com, marrose-ccc.com, stream-dexair-ark.com and two more among them.

The name servers sydney.ns.cloudflare.com, logan.ns.cloudflare.com and rocco.ns.cloudflare.com are often found in combination with these name servers.

Hosts with 6 IP addresses each:

athena.ns.cloudflare.com maps to 108.162.192.72, 172.64.32.72, 173.245.58.72 and 3 additional IP addresses.

cesar.ns.cloudflare.com maps to 108.162.195.119, 162.159.44.119, 172.64.35.119 and 3 additional IP addresses.

Mail Servers

Incoming mail for ostberg.dev is delivered via three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

At least some of the mail servers used by ostberg.dev are shared with other domains: thuler.org, computerbanking.com, webpen.org and two others among them.

Hosts with 6 IP addresses each:

route1.mx.cloudflare.net maps to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 additional IP addresses.

route2.mx.cloudflare.net maps to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 additional IP addresses.

route3.mx.cloudflare.net maps to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 additional IP addresses.