`isbut.com`

DNSSEC	⚠️ Not signed
A	63.32.192.82^{🇮🇪 Amazon63.32.0.0/14 EC2 DUB prefix}
		PTR	`ec2-63-32-192-82.eu-west-1.compute.amazonaws.com`
NS	`ns-1367.awsdns-42.org` ⭐
		A	2600:9000:5305:5700::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1367.awsdns-42.org`
		A	205.251.197.87^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1367.awsdns-42.org`
NS	`ns-1707.awsdns-21.co.uk` ⚠️ Not in parent delegation
		A	2600:9000:5306:ab00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1707.awsdns-21.co.uk`
		A	205.251.198.171^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1707.awsdns-21.co.uk`
NS	`ns-494.awsdns-61.com` ⚠️ Not in parent delegation
		A	2600:9000:5301:ee00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-494.awsdns-61.com`
		A	205.251.193.238^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-494.awsdns-61.com`
NS	`ns-624.awsdns-14.net`
		A	2600:9000:5302:7000::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-624.awsdns-14.net`
		A	205.251.194.112^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-624.awsdns-14.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c06::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bg-in-f27.1e100.net`
		A	172.253.62.26^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-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	`aspmx2.googlemail.com`⁽¹⁰⁾
		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	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
TXT	`as=1585306703`
TXT	`duo_sso_verification=7vTxxLMQEoT9VfzWd7JlZTyG3XVSBDScUYKEweO6ot2qGR9eXyyyXIoR...`
TXT	`google-site-verification=YqB6tJpit2XEaKgnJjzlEHqAJCWWpyvlsBM9qCM7qp8`
TXT	`v=spf1 a mx include:authsmtp.com include:_spf.google.com include:spf.zoho.eu ...`
SOA	`ns-1367.awsdns-42.org`awsdns-hostmaster@amazon.com serial=1

`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=1784128192

PTR for

66.100.130.206.in-addr.arpa

Subdomains

smtp.isbut.com

Same first word

isbut.com

isbut.es

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DNS History

11 records (10 active, 1 former)

●NSns-1367.awsdns-42.org2015-07-11 → 2026-07-15 · 2 obs

● 2015-07-11 11:46:54
● 2026-07-15 15:11:54

●NSns-1707.awsdns-21.co.uk2015-07-11 → 2026-07-15 · 2 obs

● 2015-07-11 11:46:54
● 2026-07-15 15:11:54

●NSns-494.awsdns-61.com2015-07-11 → 2026-07-15 · 2 obs

● 2015-07-11 11:46:54
● 2026-07-15 15:11:54

●NSns-624.awsdns-14.net2015-07-11 → 2026-07-15 · 2 obs

● 2015-07-11 11:46:54
● 2026-07-15 15:11:54

●MXalt1.aspmx.l.google.com2015-07-11 → 2026-07-15 · 2 obs

● 2015-07-11 11:46:54
● 2026-07-15 15:11:54

●MXalt2.aspmx.l.google.com2015-07-11 → 2026-07-15 · 2 obs

● 2015-07-11 11:46:54
● 2026-07-15 15:11:54

●MXaspmx.l.google.com2015-07-11 → 2026-07-15 · 2 obs

● 2015-07-11 11:46:54
● 2026-07-15 15:11:54

●MXaspmx2.googlemail.com2015-07-11 → 2026-07-15 · 2 obs

● 2015-07-11 11:46:54
● 2026-07-15 15:11:54

●MXaspmx3.googlemail.com2015-07-11 → 2026-07-15 · 2 obs

● 2015-07-11 11:46:54
● 2026-07-15 15:11:54

○A46.137.158.602015-07-11 → 2017-06-03 · 4 obs

● 2015-07-11 11:46:54
● 2017-06-03 08:28:40
○ 2026-06-29 08:13:18
○ 2026-07-15 15:11:54

●A63.32.192.822026-06-29 → 2026-07-15 · 3 obs

○ 2017-06-03 08:28:40
● 2026-06-29 08:13:18
● 2026-07-15 15:11:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, h.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net...	-
isbut.com	ns-624.awsdns-14.net, ns-1367.awsdns-42.org	-

✅ Authoritative Response

Server:205.251.194.112

NS records: ns-624.awsdns-14.net, ns-1367.awsdns-42.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for isbut.com (unsigned zone)

⏱️ Timing

Total: 227ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`63.32.192.82`
NS	4	`ns-1367.awsdns-42.org, ns-1707.awsdns-21.co.uk...`
MX	5	`aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...`
TXT	4	`as=1585306703, duo_sso_verification=7vTxxLMQEoT9VfzWd7J...`
SOA	1	`ns-1367.awsdns-42.org awsdns-hostmaster.`