`declanstack.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:872b^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:1a17^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.26.23^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.135.43^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`elsa.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a6f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elsa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c06f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elsa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:206f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elsa.ns.cloudflare.com`
		A	108.162.192.111^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elsa.ns.cloudflare.com`
		A	172.64.32.111^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elsa.ns.cloudflare.com`
		A	173.245.58.111^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elsa.ns.cloudflare.com`
NS	`marek.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bca^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ca^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`marek.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ca^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`marek.ns.cloudflare.com`
		A	108.162.193.202^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
		A	172.64.33.202^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
		A	173.245.59.202^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
MX	`filtered.antispam.ie` ⭐
		A	78.153.212.228^{🇮🇪 BLACKNIGHT-AS78.153.212.0/24 IE-BLACKNIGHT-INFRA}
			PTR	`s1-se.blacknight.ie`
		A	78.153.212.229^{🇮🇪 BLACKNIGHT-AS78.153.212.0/24 IE-BLACKNIGHT-INFRA}
			PTR	`s2-se.blacknight.ie`
MX	`smtp1r.cp.blacknight.com` ⭐
		A	81.17.254.19^{🇮🇪 BLACKNIGHT-AS81.17.240.0/20 IE-BLACKNIGHT-PA}
			PTR	`nginxmailproxy001.blacknight.com`
		A	81.17.254.20^{🇮🇪 BLACKNIGHT-AS81.17.240.0/20 IE-BLACKNIGHT-PA}
			PTR	`nginxmailproxy002.blacknight.com`
		A	81.17.254.21^{🇮🇪 BLACKNIGHT-AS81.17.240.0/20 IE-BLACKNIGHT-PA}
			PTR	`nginxmxproxy001.blacknight.com`
		A	81.17.254.22^{🇮🇪 BLACKNIGHT-AS81.17.240.0/20 IE-BLACKNIGHT-PA}
			PTR	`nginxmxproxy002.blacknight.com`
TXT	`v=spf1 a include:spf.blacknight.ie ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.26.23, 172.67.135.43
		IPv6 hints	2606:4700:3031::ac43:872b, 2606:4700:3033::6815:1a17
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=80, name=cloudflare-ech.com
SOA	`elsa.ns.cloudflare.com`dns@cloudflare.com serial=2402890241

`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=1778356751

Same first word

declanstack.com

DNS History

16 records (8 active, 8 former)

●NSelsa.ns.cloudflare.com2017-04-05 → 2026-05-09 · 3 obs

○ 2016-09-08 23:02:30
● 2017-04-05 16:30:26
● 2026-05-09 20:09:02

●NSmarek.ns.cloudflare.com2017-04-05 → 2026-05-09 · 3 obs

○ 2016-09-08 23:02:30
● 2017-04-05 16:30:26
● 2026-05-09 20:09:02

○NSns1.blacknight.com2015-06-14 → 2016-09-08 · 4 obs

● 2015-06-14 17:03:04
● 2016-09-08 23:02:30
○ 2017-04-05 16:30:26
○ 2026-05-09 20:09:02

○NSns2.blacknight.com2015-06-14 → 2016-09-08 · 4 obs

● 2015-06-14 17:03:04
● 2016-09-08 23:02:30
○ 2017-04-05 16:30:26
○ 2026-05-09 20:09:02

●MXfiltered.antispam.ie2015-06-14 → 2026-05-09 · 2 obs

● 2015-06-14 17:03:04
● 2026-05-09 20:09:02

●MXsmtp1r.cp.blacknight.com2026-02-17 → 2026-05-09 · 3 obs

○ 2015-06-14 17:03:04
● 2026-02-17 10:43:44
● 2026-05-09 20:09:02

●A104.21.26.232026-02-17 → 2026-05-09 · 3 obs

○ 2017-04-05 16:30:26
● 2026-02-17 10:43:44
● 2026-05-09 20:09:02

○A104.28.24.1142017-04-05 → 2017-04-05 · 4 obs

○ 2016-09-08 23:02:30
● 2017-04-05 16:30:26
○ 2026-02-17 10:43:44
○ 2026-05-09 20:09:02

○A104.28.25.1142017-04-05 → 2017-04-05 · 4 obs

○ 2016-09-08 23:02:30
● 2017-04-05 16:30:26
○ 2026-02-17 10:43:44
○ 2026-05-09 20:09:02

●A172.67.135.432026-02-17 → 2026-05-09 · 3 obs

○ 2017-04-05 16:30:26
● 2026-02-17 10:43:44
● 2026-05-09 20:09:02

○A185.2.67.142015-06-14 → 2016-09-08 · 4 obs

● 2015-06-14 17:03:04
● 2016-09-08 23:02:30
○ 2017-04-05 16:30:26
○ 2026-05-09 20:09:02

○A2400:cb00:2048:1::681c:18722017-04-05 → 2017-04-05 · 4 obs

○ 2016-09-08 23:02:30
● 2017-04-05 16:30:26
○ 2026-02-17 10:43:44
○ 2026-05-09 20:09:02

○A2400:cb00:2048:1::681c:19722017-04-05 → 2017-04-05 · 4 obs

○ 2016-09-08 23:02:30
● 2017-04-05 16:30:26
○ 2026-02-17 10:43:44
○ 2026-05-09 20:09:02

●A2606:4700:3031::ac43:872b2026-02-17 → 2026-05-09 · 3 obs

○ 2017-04-05 16:30:26
● 2026-02-17 10:43:44
● 2026-05-09 20:09:02

●A2606:4700:3033::6815:1a172026-02-17 → 2026-05-09 · 3 obs

○ 2017-04-05 16:30:26
● 2026-02-17 10:43:44
● 2026-05-09 20:09:02

○A2a01:a8:dc0:330:1::10332015-06-14 → 2016-09-08 · 4 obs

● 2015-06-14 17:03:04
● 2016-09-08 23:02:30
○ 2017-04-05 16:30:26
○ 2026-05-09 20:09:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net, a.gtld-servers.net...	-
declanstack.com	elsa.ns.cloudflare.com, marek.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.202

NS records: elsa.ns.cloudflare.com, marek.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for declanstack.com (unsigned zone)

⏱️ Timing

Total: 110ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.26.23, 172.67.135.43`
AAAA	2	`2606:4700:3031::ac43:872b, 2606:4700:3033::6815:1a17`
NS	2	`elsa.ns.cloudflare.com, marek.ns.cloudflare.com`
MX	2	`filtered.antispam.ie (pri: 10), smtp1r.cp.blacknight.com (pri: 10)`
TXT	1	`v=spf1 a include:spf.blacknight.ie ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`elsa.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

declanstack.com points to four IP numbers: 2606:4700:3031::ac43:872b, 2606:4700:3033::6815:1a17, 104.21.26.23 and 172.67.135.43.

For instance, other host names bioeffect.pl, brasty.pl, hd.hookfilm.ru, www.site-lunorae.live and axali12.store share IP numbers with declanstack.com.

Name Servers

declanstack.com is delegated to two name servers: elsa.ns.cloudflare.com and marek.ns.cloudflare.com.

declanstack.com uses the same name server setup as other domains such as cav.mg, hairformen.ie, anmpress.com, stakoreal.sk and spicyvpn.com.

declanstack.com shares name servers with other domains at least partially, for example (0x616e616c)is.id, corporatecouncilonafrica.com, thedogsnobs.com, jespersplanteskole.dk and ebib.ie.

These name servers are commonly used with the name servers trace.ns.cloudflare.com and kipp.ns.cloudflare.com.

Host names with six IP numbers: host name elsa.ns.cloudflare.com points to: 2606:4700:50::adf5:3a6f, 2803:f800:50::6ca2:c06f, 2a06:98c1:50::ac40:206f, 108.162.192.111, 172.64.32.111 and 173.245.58.111; host name marek.ns.cloudflare.com points to: 2606:4700:58::adf5:3bca, 2803:f800:50::6ca2:c1ca, 2a06:98c1:50::ac40:21ca, 108.162.193.202, 172.64.33.202 and 173.245.59.202.

Mail Servers

Two mail servers filtered.antispam.ie and smtp1r.cp.blacknight.com handle declanstack.com.

declanstack.com uses the same mail server setup as other domains like decscanner.com and berrating.ie.

declanstack.com shares mail servers with other domains at least partially; for instance totalrma.com, baumanns.ie, lookwest.ie, ahamay.com and irishlungfoundation.ie.

These mail servers are often used with the following mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, inbound-smtp.cp.blacknight.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

Host names with four IPs:

smtp1r.cp.blacknight.com points to 81.17.254.19, 81.17.254.20, 81.17.254.21 and 81.17.254.22.

Host names with two IPs:

filtered.antispam.ie points to 78.153.212.228 and 78.153.212.229.

declanstack.com - robtex.com

declanstack.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`declanstack.com`

`com`