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	2607:f8b0:4004:c23::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	64.233.180.26^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f26.1e100.net`
			PTR	`pe-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.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	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.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=2411280260

`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.ca

cotter.co.uk

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cotter.app

cotter.net

cotter.name

cotter.eu

cotter.co

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cotter.kiwi

cotter.nyc

cotter.tv

cotter.com

cotter.co.nz

cotter.se

Similar names

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trotec.hu

tectro.be

tercot.com

tector.lt

tercot.ca

trotec.ch

tector.ru

tocert.com

trotec.info

tector.it

corett.gob.mx

trotec.ca

trotec.co.il

tectro.es

trotec.mobi

tector.org.uk

trotec.com.au

tector.fi

trotec.cn

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rotect.com

tortec.co.uk

trotec.com.sg

recott.com.tr

tector.mobi

trotec.es

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octter.com

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tortec.pt

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cotret.fr

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trotec.se

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trotec.co.at

DNS History

25 records (13 active, 12 former)

●NSannalise.ns.cloudflare.com2026-02-15 → 2026-08-08 · 3 obs

○ 2020-02-14 13:57:52
● 2026-02-15 19:58:26
● 2026-08-08 22:48:46

●NSarnold.ns.cloudflare.com2026-02-15 → 2026-08-08 · 3 obs

○ 2020-02-14 13:57:52
● 2026-02-15 19:58:26
● 2026-08-08 22:48:46

●NSbailey.ns.cloudflare.com2026-02-15 → 2026-08-08 · 3 obs

○ 2020-02-14 13:57:52
● 2026-02-15 19:58:26
● 2026-08-08 22:48:46

●NSdarwin.ns.cloudflare.com2026-02-15 → 2026-08-08 · 3 obs

○ 2020-02-14 13:57:52
● 2026-02-15 19:58:26
● 2026-08-08 22:48:46

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

● 2020-02-14 13:57:52
○ 2026-02-15 19:58:26
○ 2026-08-08 22:48:46

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

● 2020-02-14 13:57:52
○ 2026-02-15 19:58:26
○ 2026-08-08 22:48:46

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

● 2020-02-14 13:57:52
○ 2026-02-15 19:58:26
○ 2026-08-08 22:48:46

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

● 2020-02-14 13:57:52
○ 2026-02-15 19:58:26
○ 2026-08-08 22:48:46

●MXalt1.aspmx.l.google.com2020-02-14 → 2026-08-08 · 2 obs

● 2020-02-14 13:57:52
● 2026-08-08 22:48:46

●MXalt2.aspmx.l.google.com2020-02-14 → 2026-08-08 · 2 obs

● 2020-02-14 13:57:52
● 2026-08-08 22:48:46

●MXalt3.aspmx.l.google.com2020-02-14 → 2026-08-08 · 2 obs

● 2020-02-14 13:57:52
● 2026-08-08 22:48:46

●MXalt4.aspmx.l.google.com2020-02-14 → 2026-08-08 · 2 obs

● 2020-02-14 13:57:52
● 2026-08-08 22:48:46

●MXaspmx.l.google.com2020-02-14 → 2026-08-08 · 2 obs

● 2020-02-14 13:57:52
● 2026-08-08 22:48:46

●A104.18.18.642026-02-15 → 2026-08-08 · 3 obs

○ 2020-02-14 13:57:52
● 2026-02-15 19:58:26
● 2026-08-08 22:48:46

●A104.18.19.642026-02-15 → 2026-08-08 · 3 obs

○ 2020-02-14 13:57:52
● 2026-02-15 19:58:26
● 2026-08-08 22:48:46

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

● 2020-02-14 13:57:52
○ 2026-02-15 19:58:26
○ 2026-08-08 22:48:46

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

● 2020-02-14 13:57:52
○ 2026-02-15 19:58:26
○ 2026-08-08 22:48:46

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

● 2020-02-14 13:57:52
○ 2026-02-15 19:58:26
○ 2026-08-08 22:48:46

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

● 2020-02-14 13:57:52
○ 2026-02-15 19:58:26
○ 2026-08-08 22:48:46

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

● 2020-02-14 13:57:52
○ 2026-02-15 19:58:26
○ 2026-08-08 22:48:46

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

● 2020-02-14 13:57:52
○ 2026-02-15 19:58:26
○ 2026-08-08 22:48:46

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

● 2020-02-14 13:57:52
○ 2026-02-15 19:58:26
○ 2026-08-08 22:48:46

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

● 2020-02-14 13:57:52
○ 2026-02-15 19:58:26
○ 2026-08-08 22:48:46

●A2606:4700::6812:12402026-02-15 → 2026-08-08 · 3 obs

○ 2020-02-14 13:57:52
● 2026-02-15 19:58:26
● 2026-08-08 22:48:46

●A2606:4700::6812:13402026-02-15 → 2026-08-08 · 3 obs

○ 2020-02-14 13:57:52
● 2026-02-15 19:58:26
● 2026-08-08 22:48:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld1.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
cotter.app	bailey.ns.cloudflare.com, arnold.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.41

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: 826ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.18.18.64, 104.18.19.64`
AAAA	2	`2606:4700::6812:1340, 2606:4700::6812:1240`
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 directs to four IP numbers, which are 104.18.18.64, 104.18.19.64, 2606:4700::6812:1240 and 2606:4700::6812:1340.

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

Name Servers

The authoritative name servers for cotter.app are 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, swodeshi.com, j86tujuh.xyz 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 resolves to 108.162.194.234, 162.159.38.234 and 172.64.34.234 among others, with 3 other IP addresses in total.

arnold.ns.cloudflare.com resolves to 108.162.193.69, 172.64.33.69 and 173.245.59.69 among others, with 3 other IP addresses in total.

bailey.ns.cloudflare.com resolves to 108.162.194.41, 162.159.38.41 and 172.64.34.41 among others, with 3 other IP addresses in total.

darwin.ns.cloudflare.com resolves to 108.162.193.151, 172.64.33.151 and 173.245.59.151 among others, with 3 other IP addresses in total.

Mail Servers

Five mail servers handle cotter.app: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

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.

The mail servers alt4.aspmx.l.google.com, alt3.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are commonly seen alongside these mail servers.

Hostnames that resolve to two IP addresses:

aspmx.l.google.com resolves to two addresses: 64.233.180.26 and 2607:f8b0:4004:c23::1a.

alt1.aspmx.l.google.com resolves to two addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.26 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com resolves to two addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com resolves to two addresses: 172.253.157.27 and 2a00:1450:400c:c23::1b.