`grumpyengineer.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:dee0^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:3618^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.54.24^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.222.224^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`amber.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a40^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amber.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c040^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`amber.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2040^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`amber.ns.cloudflare.com`
		A	108.162.192.64^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amber.ns.cloudflare.com`
		A	172.64.32.64^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amber.ns.cloudflare.com`
		A	173.245.58.64^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amber.ns.cloudflare.com`
NS	`walt.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b94^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`walt.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c194^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`walt.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2194^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`walt.ns.cloudflare.com`
		A	108.162.193.148^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`walt.ns.cloudflare.com`
		A	172.64.33.148^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`walt.ns.cloudflare.com`
		A	173.245.59.148^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`walt.ns.cloudflare.com`
TXT	`v=spf1 -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.54.24, 172.67.222.224
		IPv6	2606:4700:3034::ac43:dee0, 2606:4700:3036::6815:3618
SOA	`amber.ns.cloudflare.com`dns@cloudflare.com serial=2397840248

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1771291435

Same first word

grumpyengineer.com

DNS History

15 records (6 active, 9 former)

●NSamber.ns.cloudflare.com2026-02-23 → 2026-03-17 · 3 obs

○ 2018-09-05 04:14:04
● 2026-02-23 05:18:06
● 2026-03-17 10:27:14

○NSns1.digitalocean.com2018-09-05 → 2018-09-05 · 4 obs

○ 2017-02-09 03:18:30
● 2018-09-05 04:14:04
○ 2026-02-23 05:18:06
○ 2026-03-17 10:27:14

○NSns1.hover.com2015-11-17 → 2017-02-09 · 4 obs

● 2015-11-17 16:40:10
● 2017-02-09 03:18:30
○ 2018-09-05 04:14:04
○ 2026-03-17 10:27:14

○NSns2.digitalocean.com2018-09-05 → 2018-09-05 · 4 obs

○ 2017-02-09 03:18:30
● 2018-09-05 04:14:04
○ 2026-02-23 05:18:06
○ 2026-03-17 10:27:14

○NSns2.hover.com2015-11-17 → 2017-02-09 · 4 obs

● 2015-11-17 16:40:10
● 2017-02-09 03:18:30
○ 2018-09-05 04:14:04
○ 2026-03-17 10:27:14

○NSns3.digitalocean.com2018-09-05 → 2018-09-05 · 4 obs

○ 2017-02-09 03:18:30
● 2018-09-05 04:14:04
○ 2026-02-23 05:18:06
○ 2026-03-17 10:27:14

●NSwalt.ns.cloudflare.com2026-02-23 → 2026-03-17 · 3 obs

○ 2018-09-05 04:14:04
● 2026-02-23 05:18:06
● 2026-03-17 10:27:14

○MXmx.hover.com.cust.hostedemail.com2015-11-17 → 2017-02-09 · 4 obs

● 2015-11-17 16:40:10
● 2017-02-09 03:18:30
○ 2018-09-05 04:14:04
○ 2026-03-17 10:27:14

●A104.21.54.242026-02-23 → 2026-03-17 · 3 obs

○ 2018-09-05 04:14:04
● 2026-02-23 05:18:06
● 2026-03-17 10:27:14

○A167.88.125.1162016-02-08 → 2017-02-09 · 5 obs

○ 2015-11-17 16:40:10
● 2016-02-08 12:02:32
● 2017-02-09 03:18:30
○ 2018-09-05 04:14:04
○ 2026-03-17 10:27:14

●A172.67.222.2242026-02-23 → 2026-03-17 · 3 obs

○ 2018-09-05 04:14:04
● 2026-02-23 05:18:06
● 2026-03-17 10:27:14

○A206.189.210.352018-09-05 → 2018-09-05 · 4 obs

○ 2017-02-09 03:18:30
● 2018-09-05 04:14:04
○ 2026-02-23 05:18:06
○ 2026-03-17 10:27:14

●A2606:4700:3034::ac43:dee02026-02-23 → 2026-03-17 · 3 obs

○ 2018-09-05 04:14:04
● 2026-02-23 05:18:06
● 2026-03-17 10:27:14

●A2606:4700:3036::6815:36182026-02-23 → 2026-03-17 · 3 obs

○ 2018-09-05 04:14:04
● 2026-02-23 05:18:06
● 2026-03-17 10:27:14

○A64.99.80.302015-11-17 → 2015-11-17 · 3 obs

● 2015-11-17 16:40:10
○ 2016-02-08 12:02:32
○ 2026-03-17 10:27:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, b.gtld-servers.net, e.gtld-servers.net, d.gtld-servers.net...	-
grumpyengineer.com	walt.ns.cloudflare.com, amber.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.192.64

NS records: walt.ns.cloudflare.com, amber.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for grumpyengineer.com (unsigned zone)

⏱️ Timing

Total: 297ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.222.224, 104.21.54.24`
AAAA	2	`2606:4700:3036::6815:3618, 2606:4700:3034::ac43:dee0`
NS	2	`amber.ns.cloudflare.com, walt.ns.cloudflare.com`
TXT	1	`v=spf1 -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`amber.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (walt.ns.cloudflare.com, walt.ns.cloudflare.com, walt.ns.cloudflare.com...)

Analysis

IP Addresses

grumpyengineer.com points to four IP numbers: 2606:4700:3034::ac43:dee0, 2606:4700:3036::6815:3618, 104.21.54.24 and 172.67.222.224.

Other host names, for instance xlhdicw.top, lnza.cn, biyomak.com, www.ybashirts.com and ns1.giaitriso1.net share IP numbers with grumpyengineer.com.

Name Servers

grumpyengineer.com's delegation is to two name servers amber.ns.cloudflare.com and walt.ns.cloudflare.com.

grumpyengineer.com shares the same name server configuration as other domains, such as muval-dev.com, move.pro, movepro.com, 4evar.com and elisamft.com.

grumpyengineer.com at least partially shares its name servers with other domains, for instance mrkaj.si, husbandmaterial.com, clickmaza.com, solanahost.pages.dev and 91club.co.

These name servers are commonly used with neil.ns.cloudflare.com, kim.ns.cloudflare.com and norman.ns.cloudflare.com.

Host names with six IP numbers:

amber.ns.cloudflare.com points to: 2606:4700:50::adf5:3a40, 2803:f800:50::6ca2:c040, 2a06:98c1:50::ac40:2040, 108.162.192.64, 172.64.32.64 and 173.245.58.64.

walt.ns.cloudflare.com points to: 2606:4700:58::adf5:3b94, 2803:f800:50::6ca2:c194, 2a06:98c1:50::ac40:2194, 108.162.193.148, 172.64.33.148 and 173.245.59.148.

grumpyengineer.com - robtex.com