cotter.app - dns.ninja

`cotter.app`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700::6812:1240^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700::6812:1340^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.18.18.64^{Cloudflare104.18.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.18.19.64^{Cloudflare104.18.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`annalise.ns.cloudflare.com` ⭐ ⚠️ Not in parent delegation
		A	2606:4700:50::a29f:26ea^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`annalise.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2ea^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`annalise.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22ea^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`annalise.ns.cloudflare.com`
		A	108.162.194.234^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`annalise.ns.cloudflare.com`
		A	162.159.38.234^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`annalise.ns.cloudflare.com`
		A	172.64.34.234^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`annalise.ns.cloudflare.com`
NS	`arnold.ns.cloudflare.com` ⚠️ Not in zone NS records
		A	2606:4700:58::adf5:3b45^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arnold.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c145^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`arnold.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2145^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`arnold.ns.cloudflare.com`
		A	108.162.193.69^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arnold.ns.cloudflare.com`
		A	172.64.33.69^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arnold.ns.cloudflare.com`
		A	173.245.59.69^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arnold.ns.cloudflare.com`
NS	`bailey.ns.cloudflare.com` ⚠️ Not in zone NS records
		A	2606:4700:50::a29f:2629^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bailey.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c229^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bailey.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2229^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bailey.ns.cloudflare.com`
		A	108.162.194.41^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bailey.ns.cloudflare.com`
		A	162.159.38.41^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bailey.ns.cloudflare.com`
		A	172.64.34.41^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bailey.ns.cloudflare.com`
NS	`darwin.ns.cloudflare.com` ⚠️ Not in parent delegation
		A	2606:4700:58::adf5:3b97^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darwin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c197^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`darwin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2197^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`darwin.ns.cloudflare.com`
		A	108.162.193.151^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darwin.ns.cloudflare.com`
		A	172.64.33.151^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darwin.ns.cloudflare.com`
		A	173.245.59.151^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darwin.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2a00:1450:4009:c19::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrp-in-f26.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c00::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`ws-in-f26.1e100.net`
			PTR	`ws-in-x1a.1e100.net`
		A	173.194.76.26^{🇺🇸 Google173.194.76.0/24}
			PTR	`ws-in-f26.1e100.net`
TXT	`google-site-verification=SiHzLJlgO_maTz_q5s39SpBPLj5DPe5-JJN8MrF1SFo`
TXT	`v=DMARC1; p=none; rua=mailto:dmarc@cotter.app`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.18.18.64, 104.18.19.64
		IPv6 hints	2606:4700::6812:1240, 2606:4700::6812:1340
SOA	`annalise.ns.cloudflare.com`dns@cloudflare.com serial=2405059464

`app`

	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=101427

🔒 HSTS Preload (+subdomains)

Same first word

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cotter.com

cotter.co.nz

cotter.se

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trotec.hu

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tercot.com

tector.lt

tercot.ca

trotec.ch

tector.ru

tocert.com

trotec.info

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corett.gob.mx

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tector.mobi

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tortec.pt

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tectro.de

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DNS History

25 records (13 active, 12 former)

●NSannalise.ns.cloudflare.com2026-02-15 → 2026-06-04 · 3 obs

○ 2020-02-14 13:57:52
● 2026-02-15 19:58:26
● 2026-06-04 11:18:10

●NSarnold.ns.cloudflare.com2026-02-15 → 2026-06-04 · 3 obs

○ 2020-02-14 13:57:52
● 2026-02-15 19:58:26
● 2026-06-04 11:18:10

●NSbailey.ns.cloudflare.com2026-02-15 → 2026-06-04 · 3 obs

○ 2020-02-14 13:57:52
● 2026-02-15 19:58:26
● 2026-06-04 11:18:10

●NSdarwin.ns.cloudflare.com2026-02-15 → 2026-06-04 · 3 obs

○ 2020-02-14 13:57:52
● 2026-02-15 19:58:26
● 2026-06-04 11:18:10

○NSns-cloud-a1.googledomains.com2020-02-14 → 2020-02-14 · 3 obs

● 2020-02-14 13:57:52
○ 2026-02-15 19:58:26
○ 2026-06-04 11:18:10

○NSns-cloud-a2.googledomains.com2020-02-14 → 2020-02-14 · 3 obs

● 2020-02-14 13:57:52
○ 2026-02-15 19:58:26
○ 2026-06-04 11:18:10

○NSns-cloud-a3.googledomains.com2020-02-14 → 2020-02-14 · 3 obs

● 2020-02-14 13:57:52
○ 2026-02-15 19:58:26
○ 2026-06-04 11:18:10

○NSns-cloud-a4.googledomains.com2020-02-14 → 2020-02-14 · 3 obs

● 2020-02-14 13:57:52
○ 2026-02-15 19:58:26
○ 2026-06-04 11:18:10

●MXalt1.aspmx.l.google.com2020-02-14 → 2026-06-04 · 2 obs

● 2020-02-14 13:57:52
● 2026-06-04 11:18:10

●MXalt2.aspmx.l.google.com2020-02-14 → 2026-06-04 · 2 obs

● 2020-02-14 13:57:52
● 2026-06-04 11:18:10

●MXalt3.aspmx.l.google.com2020-02-14 → 2026-06-04 · 2 obs

● 2020-02-14 13:57:52
● 2026-06-04 11:18:10

●MXalt4.aspmx.l.google.com2020-02-14 → 2026-06-04 · 2 obs

● 2020-02-14 13:57:52
● 2026-06-04 11:18:10

●MXaspmx.l.google.com2020-02-14 → 2026-06-04 · 2 obs

● 2020-02-14 13:57:52
● 2026-06-04 11:18:10

●A104.18.18.642026-02-15 → 2026-06-04 · 3 obs

○ 2020-02-14 13:57:52
● 2026-02-15 19:58:26
● 2026-06-04 11:18:10

●A104.18.19.642026-02-15 → 2026-06-04 · 3 obs

○ 2020-02-14 13:57:52
● 2026-02-15 19:58:26
● 2026-06-04 11:18:10

○A2001:4860:4802:32::152020-02-14 → 2020-02-14 · 3 obs

● 2020-02-14 13:57:52
○ 2026-02-15 19:58:26
○ 2026-06-04 11:18:10

○A2001:4860:4802:34::152020-02-14 → 2020-02-14 · 3 obs

● 2020-02-14 13:57:52
○ 2026-02-15 19:58:26
○ 2026-06-04 11:18:10

○A2001:4860:4802:36::152020-02-14 → 2020-02-14 · 3 obs

● 2020-02-14 13:57:52
○ 2026-02-15 19:58:26
○ 2026-06-04 11:18:10

○A2001:4860:4802:38::152020-02-14 → 2020-02-14 · 3 obs

● 2020-02-14 13:57:52
○ 2026-02-15 19:58:26
○ 2026-06-04 11:18:10

○A216.239.32.212020-02-14 → 2020-02-14 · 3 obs

● 2020-02-14 13:57:52
○ 2026-02-15 19:58:26
○ 2026-06-04 11:18:10

○A216.239.34.212020-02-14 → 2020-02-14 · 3 obs

● 2020-02-14 13:57:52
○ 2026-02-15 19:58:26
○ 2026-06-04 11:18:10

○A216.239.36.212020-02-14 → 2020-02-14 · 3 obs

● 2020-02-14 13:57:52
○ 2026-02-15 19:58:26
○ 2026-06-04 11:18:10

○A216.239.38.212020-02-14 → 2020-02-14 · 3 obs

● 2020-02-14 13:57:52
○ 2026-02-15 19:58:26
○ 2026-06-04 11:18:10

●A2606:4700::6812:12402026-02-15 → 2026-06-04 · 3 obs

○ 2020-02-14 13:57:52
● 2026-02-15 19:58:26
● 2026-06-04 11:18:10

●A2606:4700::6812:13402026-02-15 → 2026-06-04 · 3 obs

○ 2020-02-14 13:57:52
● 2026-02-15 19:58:26
● 2026-06-04 11:18:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
cotter.app	bailey.ns.cloudflare.com, arnold.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.41

NS records: bailey.ns.cloudflare.com, arnold.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 598ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.18.18.64, 104.18.19.64`
AAAA	2	`2606:4700::6812:1240, 2606:4700::6812:1340`
NS	2	`annalise.ns.cloudflare.com, darwin.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	3	`google-site-verification=SiHzLJlgO_maTz_, v=DMARC1; p=none; rua=mailto:dmarc@cotte...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`annalise.ns.cloudflare.com dns.cloudflar`

Analysis

IP Addresses

cotter.app has 4 IP addresses: 104.18.18.64, 104.18.19.64, 2606:4700::6812:1240 and 2606:4700::6812:1340.

zona.skylink.sk, central.kbnbfc.in, accordsalud.com.ar and two other host names share IP numbers with cotter.app.

Name Servers

Authority for cotter.app is delegated across 4 name servers: annalise.ns.cloudflare.com, arnold.ns.cloudflare.com, bailey.ns.cloudflare.com and darwin.ns.cloudflare.com.

There is at least partial name server overlap between cotter.app and other domains — coinpoker.biz, hottes.com, 220ss.com and two more among them.

These name servers are routinely deployed together with the name servers noah.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

annalise.ns.cloudflare.com maps to six IP addresses: 108.162.194.234, 162.159.38.234, 172.64.34.234 and three others.

arnold.ns.cloudflare.com maps to six IP addresses: 108.162.193.69, 172.64.33.69, 173.245.59.69 and three others.

bailey.ns.cloudflare.com maps to six IP addresses: 108.162.194.41, 162.159.38.41, 172.64.34.41 and three others.

darwin.ns.cloudflare.com maps to six IP addresses: 108.162.193.151, 172.64.33.151, 173.245.59.151 and three others.

Mail Servers

cotter.app has 5 mail servers — aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two more.

cotter.app has at least partial mail server overlap with other domains such as ns500768.ns500758.ns500759.ns500698.ns500735.ns500698.ns500736.ns500698.ns500735.ns500698.ns500736.ns500576.ns500576.ns500686.ns500619.ns500619.trackreceptor.com, ns500698.ns500759.ns500698.ns500759.ns500736.ns500736.ns500735.ns500698.ns500736.ns500735.ns500576.ns500576.ns500576.ns500686.ns500652.ns500619.trackreceptor.com, ns500698.ns500759.ns500759.ns500759.ns500736.ns500735.ns500735.ns500735.ns500708.ns500698.ns500576.ns500686.ns500686.ns500619.ns500619.trackreceptor.com and two more.

These mail servers often appear together with alt4.aspmx.l.google.com, alt3.aspmx.l.google.com, aspmx2.googlemail.com and three other mail servers.

Hostnames that resolve to two IP addresses:

aspmx.l.google.com resolves to two addresses: 192.178.223.26 and 2a00:1450:4009:c19::1a.

alt1.aspmx.l.google.com resolves to two addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.27 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com resolves to two addresses: 192.178.223.27 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com resolves to two addresses: 173.194.76.26 and 2a00:1450:400c:c00::1a.