spring.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`spring.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:4f0^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3030::ac43:bb3a^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.4.240^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.187.58^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`mary.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a86^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c086^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mary.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2086^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mary.ns.cloudflare.com`
		A	108.162.192.134^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
		A	172.64.32.134^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
		A	173.245.58.134^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
NS	`theo.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b90^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`theo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c190^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`theo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2190^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`theo.ns.cloudflare.com`
		A	108.162.193.144^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`theo.ns.cloudflare.com`
		A	172.64.33.144^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`theo.ns.cloudflare.com`
		A	173.245.59.144^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`theo.ns.cloudflare.com`
TXT	`v=spf1 -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.4.240, 172.67.187.58
		IPv6 hints	2606:4700:3030::6815:4f0, 2606:4700:3030::ac43:bb3a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=18, name=cloudflare-ech.com
SOA	`mary.ns.cloudflare.com`dns@cloudflare.com serial=2413791148

`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

spring.world

spring.rich

spring.city

spring.com.co

spring.markets

spring.com.ar

spring.kg

spring.audio

spring.es

spring.solutions

spring.jetzt

spring.me

spring.dsmynas.com

spring.org.ua

spring.bi

spring.dog

spring.cab

spring.vet

spring.coffee

spring.global

spring.ir

spring.ac

spring.academy

spring.loans

spring.church

spring.su

spring.sk

spring.wtf

spring.as

spring.co.il

spring.baby

spring.hockey

spring.ceo

spring.co.uk

spring.kasserver.com

spring.dating

spring.com.au

spring.al

spring.deals

spring.de

spring.ug

spring.no

spring.uk.com

spring.net.in

spring.blue

spring.com.my

spring.pt

spring.run

spring.zapto.org

spring.news

spring.cn

spring.productions

spring.sg

spring.nz

spring.ie

spring.care

spring.com.pl

spring.net.au

spring.cloudns.org

spring.dental

spring.com

spring.design

spring.io

spring.xyz

spring.dk

spring.com.tr

spring.net

spring.fitness

spring.farm

spring.eu

spring.gift

spring.to

spring.gov.il

spring.healthcare

spring.org.pk

spring.co.th

spring.hu

spring.at

spring.support

spring.spb.ru

spring.site

spring.tn

spring.dsmynas.net

spring.ch

spring.se

spring.vn

spring.fund

spring.org.nz

spring.bank

spring.net.nz

spring.pet

spring.edu.sg

spring.info

spring.guide

spring.associates

spring.financial

spring.id

spring.hi.cn

spring.builders

spring.management

Similar names

Previous names

spree.dev

spreed.dev

spreitzer.dev

sprell.dev

spremberg.dev

spren.dev

spreng.dev

sprenger.dev

sprengers.dev

spreo.dev

sprh.dev

spri.dev

spribe.dev

spribewin.dev

sprice.dev

sprig.dev

spriggan.dev

spriggs.dev

sprike.dev

Next names

DNS History

8 records (6 active, 2 former)

●NSmary.ns.cloudflare.com2026-09-08 → 2026-09-09 · 2 obs

● 2026-09-08 05:20:08
● 2026-09-09 06:22:30

●NStheo.ns.cloudflare.com2026-09-08 → 2026-09-09 · 2 obs

● 2026-09-08 05:20:08
● 2026-09-09 06:22:30

○MXyour-dns-needs-immediate-attention.dev2015-11-07 → 2017-10-10 · 4 obs

● 2015-11-07 19:22:18
● 2017-10-10 04:35:46
○ 2026-09-08 05:20:08
○ 2026-09-09 06:22:30

●A104.21.4.2402026-09-08 → 2026-09-09 · 3 obs

○ 2017-10-10 04:35:46
● 2026-09-08 05:20:08
● 2026-09-09 06:22:30

○A127.0.53.532015-11-07 → 2017-10-10 · 4 obs

● 2015-11-07 19:22:18
● 2017-10-10 04:35:46
○ 2026-09-08 05:20:08
○ 2026-09-09 06:22:30

●A172.67.187.582026-09-08 → 2026-09-09 · 3 obs

○ 2017-10-10 04:35:46
● 2026-09-08 05:20:08
● 2026-09-09 06:22:30

●A2606:4700:3030::6815:4f02026-09-08 → 2026-09-09 · 3 obs

○ 2017-10-10 04:35:46
● 2026-09-08 05:20:08
● 2026-09-09 06:22:30

●A2606:4700:3030::ac43:bb3a2026-09-08 → 2026-09-09 · 3 obs

○ 2017-10-10 04:35:46
● 2026-09-08 05:20:08
● 2026-09-09 06:22:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
spring.dev	mary.ns.cloudflare.com, theo.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.144

NS records: mary.ns.cloudflare.com, theo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for spring.dev (unsigned zone)

⏱️ Timing

Total: 1055ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.4.240, 172.67.187.58`
AAAA	2	`2606:4700:3030::ac43:bb3a, 2606:4700:3030::6815:4f0`
NS	2	`mary.ns.cloudflare.com, theo.ns.cloudflare.com`
TXT	1	`v=spf1 -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`mary.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

spring.dev resolves to four IP addresses: 104.21.4.240, 172.67.187.58, 2606:4700:3030::6815:4f0 and 2606:4700:3030::ac43:bb3a.

bbspanish.com, vjrtv.cn, youthforwildlife.org plus two other host names have IP numbers in common with spring.dev.

Name Servers

spring.dev has two authoritative name servers — mary.ns.cloudflare.com and theo.ns.cloudflare.com.

The name server configuration of spring.dev is shared with other domains, for instance nordicwalking.de, carv.ro, pekkasiuko.fi and two others.

spring.dev partially shares its NS delegation with several other domains, including mimosasdream.com, rpericellular.info, thefykj.shop and two others.

These name servers are regularly seen alongside ram.ns.cloudflare.com and gwen.ns.cloudflare.com as name servers.

Hosts with 6 IP addresses each:

mary.ns.cloudflare.com points to 108.162.192.134, 172.64.32.134, 173.245.58.134 and 3 other IP addresses.

theo.ns.cloudflare.com points to 108.162.193.144, 172.64.33.144, 173.245.59.144 and 3 other IP addresses.