`mkcert.dev`

DNSSEC	⚠️ Not signed
A	2a09:8280:1::6:867^{🇺🇸 FLYIO-12a09:8280:1::/48 Proxy Registration / Customer Route}
		PTR	`ipv6.customer.flyio.net`
A	66.241.124.52^{🇺🇸 FLYIO-166.241.124.0/23 Fly.io Edge Network}
NS	`ns-1940.awsdns-50.co.uk` ⭐
		A	2600:9000:5307:9400::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1940.awsdns-50.co.uk`
		A	205.251.199.148^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1940.awsdns-50.co.uk`
NS	`ns-1118.awsdns-11.org`
		A	2600:9000:5304:5e00::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1118.awsdns-11.org`
		A	205.251.196.94^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1118.awsdns-11.org`
NS	`ns-208.awsdns-26.com`
		A	2600:9000:5300:d000::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-208.awsdns-26.com`
		A	205.251.192.208^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-208.awsdns-26.com`
NS	`ns-659.awsdns-18.net`
		A	2600:9000:5302:9300::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-659.awsdns-18.net`
		A	205.251.194.147^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-659.awsdns-18.net`
TXT	`v=spf1 -all`
SOA	`ns-1940.awsdns-50.co.uk`awsdns-hostmaster@amazon.com serial=1

`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

mkcert.org

mkcert.dev

Similar names

mrteck.co.kr

mctrek.com

mrktec.ddns.net

kmcert.co.kr

rmkcet.ac.in

cmrtek.com

mktrec.com

crmtek.com

kmcert.net

merckt.com

trekmc.com

mkcetr.cz

trckme.net

emtrck.com

mrctek.com

mctrek.de

kmcert.com

mktcre.com

DNS History

6 records (6 active, 0 former)

●NSns-1118.awsdns-11.org2026-02-18 → 2026-02-25 · 2 obs

● 2026-02-18 22:50:34
● 2026-02-25 12:02:30

●NSns-1940.awsdns-50.co.uk2026-02-18 → 2026-02-25 · 2 obs

● 2026-02-18 22:50:34
● 2026-02-25 12:02:30

●NSns-208.awsdns-26.com2026-02-18 → 2026-02-25 · 2 obs

● 2026-02-18 22:50:34
● 2026-02-25 12:02:30

●NSns-659.awsdns-18.net2026-02-18 → 2026-02-25 · 2 obs

● 2026-02-18 22:50:34
● 2026-02-25 12:02:30

●A2a09:8280:1::6:8672026-02-18 → 2026-02-25 · 2 obs

● 2026-02-18 22:50:34
● 2026-02-25 12:02:30

●A66.241.124.522026-02-18 → 2026-02-25 · 2 obs

● 2026-02-18 22:50:34
● 2026-02-25 12:02:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
mkcert.dev	ns-659.awsdns-18.net, ns-1940.awsdns-50.co.uk, ns-1118.awsdns-11.org, ns-208.awsdns-26.com	-

✅ Authoritative Response

Server: 205.251.199.148

NS records: ns-659.awsdns-18.net, ns-1940.awsdns-50.co.uk, ns-1118.awsdns-11.org, ns-208.awsdns-26.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mkcert.dev (unsigned zone)

⏱️ Timing

Total: 52ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`66.241.124.52`
AAAA	1	`2a09:8280:1::6:867`
NS	4	`ns-1118.awsdns-11.org, ns-1940.awsdns-50.co.uk...`
MX	1	`. (pri: 0)`
TXT	1	`v=spf1 -all`
SOA	1	`ns-1940.awsdns-50.co.uk awsdns-hostmaste`

AI analysis

mkcert.dev points to two IPs: 2a09:8280:1::6:867 and 66.241.124.52.

Other host names including valsorda.com, blueviolet.biz, geomys.org, valsorda.org and filippo.fly.dev share IP numbers with mkcert.dev.

mkcert.dev is delegated to four name servers: ns-208.awsdns-26.com, ns-659.awsdns-18.net, ns-1118.awsdns-11.org and ns-1940.awsdns-50.co.uk.

mkcert.dev at least partially shares name servers with other domains, including loyo.fi, wonderblocks.io, itsupportfl.com, drummohr.com and sms-fan.com.