stackletter.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`stackletter.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:4e93^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:df06^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.78.147^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.223.6^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`hera.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3aa2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hera.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0a2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hera.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20a2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hera.ns.cloudflare.com`
		A	108.162.192.162^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hera.ns.cloudflare.com`
		A	172.64.32.162^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hera.ns.cloudflare.com`
		A	173.245.58.162^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hera.ns.cloudflare.com`
NS	`lakas.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bc2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lakas.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1c2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lakas.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21c2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lakas.ns.cloudflare.com`
		A	108.162.193.194^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lakas.ns.cloudflare.com`
		A	172.64.33.194^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lakas.ns.cloudflare.com`
		A	173.245.59.194^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lakas.ns.cloudflare.com`
MX	`shadow-relay.mxrouting.net` ⭐
		A	168.119.148.109^{🇩🇪 Hetzner168.119.0.0/16 HETZNER-DC}
			PTR	`static.109.148.119.168.clients.your-server.de`
MX	`shadow.mxrouting.net`⁽²⁰⁾
		A	168.119.148.109^{🇩🇪 Hetzner168.119.0.0/16 HETZNER-DC}
			PTR	`static.109.148.119.168.clients.your-server.de`
TXT	`v=spf1 include:mxlogin.com -all`
TXT	`v=spf1 mx include:_spf.porkbun.com ~all`
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	104.21.78.147, 172.67.223.6
		IPv6 hints	2606:4700:3034::6815:4e93, 2606:4700:3034::ac43:df06
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=213, name=cloudflare-ech.com
SOA	`hera.ns.cloudflare.com`dns@cloudflare.com serial=2408825092

`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=1787016534

Same first word

stackletter.com

Similar names

settletrack.com

letterstack.com

kettlecarts.com

attestclerk.xyz

letterstack.xyz

Previous names

Next names

DNS History

19 records (8 active, 11 former)

●NShera.ns.cloudflare.com2026-02-24 → 2026-08-18 · 3 obs

○ 2017-10-13 19:10:24
● 2026-02-24 12:38:00
● 2026-08-18 01:42:48

●NSlakas.ns.cloudflare.com2026-02-24 → 2026-08-18 · 3 obs

○ 2017-10-13 19:10:24
● 2026-02-24 12:38:00
● 2026-08-18 01:42:48

○NSns1.websupport.sk2017-10-13 → 2017-10-13 · 3 obs

● 2017-10-13 19:10:24
○ 2026-02-24 12:38:00
○ 2026-08-18 01:42:48

○NSns2.websupport.sk2017-10-13 → 2017-10-13 · 3 obs

● 2017-10-13 19:10:24
○ 2026-02-24 12:38:00
○ 2026-08-18 01:42:48

○NSns3.websupport.sk2017-10-13 → 2017-10-13 · 3 obs

● 2017-10-13 19:10:24
○ 2026-02-24 12:38:00
○ 2026-08-18 01:42:48

○MXmailin1.stackletter.com2017-10-13 → 2017-10-13 · 3 obs

● 2017-10-13 19:10:24
○ 2026-02-24 12:38:00
○ 2026-08-18 01:42:48

○MXmailin2.stackletter.com2017-10-13 → 2017-10-13 · 3 obs

● 2017-10-13 19:10:24
○ 2026-02-24 12:38:00
○ 2026-08-18 01:42:48

●MXshadow-relay.mxrouting.net2026-02-24 → 2026-08-18 · 3 obs

○ 2017-10-13 19:10:24
● 2026-02-24 12:38:00
● 2026-08-18 01:42:48

●MXshadow.mxrouting.net2026-02-24 → 2026-08-18 · 3 obs

○ 2017-10-13 19:10:24
● 2026-02-24 12:38:00
● 2026-08-18 01:42:48

●A104.21.78.1472026-02-24 → 2026-08-18 · 3 obs

○ 2017-10-13 19:10:24
● 2026-02-24 12:38:00
● 2026-08-18 01:42:48

○A147.175.149.712017-10-13 → 2017-10-13 · 3 obs

● 2017-10-13 19:10:24
○ 2026-02-24 12:38:00
○ 2026-08-18 01:42:48

●A172.67.223.62026-02-24 → 2026-08-18 · 3 obs

○ 2017-10-13 19:10:24
● 2026-02-24 12:38:00
● 2026-08-18 01:42:48

○A188.114.96.02026-02-24 → 2026-08-18 · 2 obs

○ 2026-02-24 12:38:00
○ 2026-08-18 01:42:48

○A188.114.97.02026-02-24 → 2026-08-18 · 2 obs

○ 2026-02-24 12:38:00
○ 2026-08-18 01:42:48

●A2606:4700:3034::6815:4e932026-07-08 → 2026-08-18 · 3 obs

○ 2026-02-24 12:38:00
● 2026-07-08 10:39:40
● 2026-08-18 01:42:48

●A2606:4700:3034::ac43:df062026-02-24 → 2026-08-18 · 3 obs

○ 2017-10-13 19:10:24
● 2026-02-24 12:38:00
● 2026-08-18 01:42:48

○A2606:4700:3037::6815:4e932026-02-24 → 2026-02-24 · 4 obs

○ 2017-10-13 19:10:24
● 2026-02-24 12:38:00
○ 2026-07-08 10:39:40
○ 2026-08-18 01:42:48

○A2a06:98c1:3120::2026-02-24 → 2026-08-18 · 2 obs

○ 2026-02-24 12:38:00
○ 2026-08-18 01:42:48

○A2a06:98c1:3121::2026-02-24 → 2026-08-18 · 2 obs

○ 2026-02-24 12:38:00
○ 2026-08-18 01:42:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net...	-
stackletter.com	hera.ns.cloudflare.com, lakas.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:173.245.58.162

NS records: hera.ns.cloudflare.com, lakas.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stackletter.com (unsigned zone)

⏱️ Timing

Total: 181ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.78.147, 172.67.223.6`
AAAA	2	`2606:4700:3034::ac43:df06, 2606:4700:3034::6815:4e93`
NS	2	`hera.ns.cloudflare.com, lakas.ns.cloudflare.com`
MX	2	`shadow.mxrouting.net (pri: 10), shadow-relay.mxrouting.net (pri: 20)`
TXT	2	`v=spf1 include:mxlogin.com -all, v=spf1 mx include:_spf.porkbun.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`hera.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

stackletter.com resolves to four IP addresses: 104.21.78.147, 172.67.223.6, 2606:4700:3034::6815:4e93 and 2606:4700:3034::ac43:df06.

Additional host names — www.reboot.fm, metrivanta.com, countrywaygunshop.co.uk and two others — share IP numbers with stackletter.com.

Name Servers

Two name servers handle the delegation for stackletter.com: hera.ns.cloudflare.com and lakas.ns.cloudflare.com.

stackletter.com shares its name server setup with other domains, including hostwiki.io, anadyr.net, rosny-beer.com and two others.

stackletter.com partially shares its NS delegation with several other domains, including jswutai.com, ole7497.com, hud223a7.loan and two others.

These name servers are regularly seen alongside bart.ns.cloudflare.com and kai.ns.cloudflare.com as name servers.

Host names with 6 IP numbers:

hera.ns.cloudflare.com resolves to 108.162.192.162, 172.64.32.162 and 173.245.58.162 among others, with 3 other IP addresses in total.

lakas.ns.cloudflare.com resolves to 108.162.193.194, 172.64.33.194 and 173.245.59.194 among others, with 3 other IP addresses in total.

Mail Servers

stackletter.com has two mail servers: shadow-relay.mxrouting.net and shadow.mxrouting.net.

stackletter.com shares the same mail server setup as other domains, including innovativewiredsolutions.com, codybrannan.com, exciter.org and two others.

stackletter.com shares mail servers — at least in part — with other domains, including dermatolaser.com, cymer.net, spectralhive.net and two others.

shadow-relay.mxrouting.net directs to 168.119.148.109, as does shadow.mxrouting.net — both hostnames resolve to that one IP address.

shadow-relay.mxrouting.net along with shadow.mxrouting.net each resolve to 168.119.148.109 IP addresses.