`swimbooker.com`

DNSSEC	⚠️ Not signed
A	18.155.21.48^{🇺🇸 Amazon18.155.16.0/21}
		PTR	`server-18-155-21-48.gru3.r.cloudfront.net`
A	18.155.21.64^{🇺🇸 Amazon18.155.16.0/21}
A	18.155.21.66^{🇺🇸 Amazon18.155.16.0/21}
A	18.155.21.127^{🇺🇸 Amazon18.155.16.0/21}
NS	`ns-194.awsdns-24.com` ⭐
		A	2600:9000:5300:c200::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-194.awsdns-24.com`
		A	205.251.192.194^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-194.awsdns-24.com`
NS	`ns-1384.awsdns-45.org`
		A	2600:9000:5305:6800::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1384.awsdns-45.org`
		A	205.251.197.104^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1384.awsdns-45.org`
NS	`ns-1732.awsdns-24.co.uk`
		A	2600:9000:5306:c400::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1732.awsdns-24.co.uk`
		A	205.251.198.196^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1732.awsdns-24.co.uk`
NS	`ns-709.awsdns-24.net`
		A	2600:9000:5302:c500::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-709.awsdns-24.net`
		A	205.251.194.197^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-709.awsdns-24.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f26.1e100.net`
		A	172.253.122.27^{🇺🇸 Google172.253.122.0/24}
			PTR	`bh-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 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	192.178.223.27^{🇺🇸 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	173.194.76.27^{🇺🇸 Google173.194.76.0/24}
			PTR	`ws-in-f27.1e100.net`
TXT	`brevo-code:6407608696c6264d4d462a7e9d1c8da8`
TXT	`google-site-verification=Xyt83buYt_uh8x5ImiH_xr2sGK-f-qw7NmODe1GIsGQ`
TXT	`v=spf1 a mx include:_spf.google.com include:145784441.spf05.hubspotemail.net ...`
SOA	`ns-194.awsdns-24.com`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=1780764696

Same first word

swimbooker.com

DNS History

53 records (13 active, 40 former)

●NSns-1384.awsdns-45.org2026-04-17 → 2026-06-06 · 2 obs

● 2026-04-17 00:52:22
● 2026-06-06 17:08:28

●NSns-1732.awsdns-24.co.uk2026-04-17 → 2026-06-06 · 2 obs

● 2026-04-17 00:52:22
● 2026-06-06 17:08:28

●NSns-194.awsdns-24.com2026-04-17 → 2026-06-06 · 2 obs

● 2026-04-17 00:52:22
● 2026-06-06 17:08:28

●NSns-709.awsdns-24.net2026-04-17 → 2026-06-06 · 2 obs

● 2026-04-17 00:52:22
● 2026-06-06 17:08:28

●MXalt1.aspmx.l.google.com2026-04-17 → 2026-06-06 · 2 obs

● 2026-04-17 00:52:22
● 2026-06-06 17:08:28

●MXalt2.aspmx.l.google.com2026-04-17 → 2026-06-06 · 2 obs

● 2026-04-17 00:52:22
● 2026-06-06 17:08:28

●MXalt3.aspmx.l.google.com2026-04-17 → 2026-06-06 · 2 obs

● 2026-04-17 00:52:22
● 2026-06-06 17:08:28

●MXalt4.aspmx.l.google.com2026-04-17 → 2026-06-06 · 2 obs

● 2026-04-17 00:52:22
● 2026-06-06 17:08:28

●MXaspmx.l.google.com2026-04-17 → 2026-06-06 · 2 obs

● 2026-04-17 00:52:22
● 2026-06-06 17:08:28

○A13.33.109.242026-04-21 → 2026-05-20 · 186 obs

○ 2026-04-21 07:07:38
● 2026-04-21 08:28:52
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● 2026-05-17 20:34:12
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● 2026-05-18 00:03:44
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● 2026-05-18 13:23:32
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● 2026-05-19 00:18:48
○ 2026-05-19 03:33:28
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○ 2026-05-20 06:31:02
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● 2026-05-20 21:13:20
○ 2026-05-20 23:54:16
○ 2026-06-06 17:08:28

○A13.33.109.42026-04-21 → 2026-05-20 · 186 obs

○A13.33.109.852026-04-21 → 2026-05-20 · 186 obs

○A13.33.109.952026-04-21 → 2026-05-20 · 186 obs

●A18.155.21.1272026-04-24 → 2026-06-06 · 75 obs

○ 2026-04-24 13:15:24
● 2026-04-24 15:05:00
○ 2026-04-24 22:16:22
● 2026-04-25 04:03:06
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○ 2026-05-04 12:39:14
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● 2026-05-05 13:38:16
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○ 2026-05-27 15:47:36
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● 2026-06-06 17:08:24
● 2026-06-06 17:08:28

●A18.155.21.482026-04-24 → 2026-06-06 · 75 obs

●A18.155.21.642026-04-24 → 2026-06-06 · 75 obs

●A18.155.21.662026-04-24 → 2026-06-06 · 75 obs

○A18.160.225.1182026-05-19 → 2026-06-06 · 41 obs

○ 2026-05-19 09:52:26
● 2026-05-19 11:05:22
● 2026-05-19 18:18:54
○ 2026-05-19 19:58:28
● 2026-05-20 01:58:12
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○ 2026-06-06 17:08:28

○A18.160.225.612026-05-19 → 2026-06-06 · 41 obs

○A18.160.225.762026-05-19 → 2026-06-06 · 41 obs

○A18.160.225.952026-05-19 → 2026-06-06 · 41 obs

○A18.161.21.1082026-05-07 → 2026-05-07 · 12 obs

○ 2026-05-07 08:27:36
● 2026-05-07 09:27:32
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○ 2026-06-06 17:08:28

○A18.161.21.532026-05-07 → 2026-05-07 · 12 obs

○A18.161.21.942026-05-07 → 2026-05-07 · 12 obs

○A18.161.21.952026-05-07 → 2026-05-07 · 12 obs

○A216.137.44.1172026-04-21 → 2026-05-19 · 190 obs

○ 2026-04-19 15:24:32
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○A216.137.44.352026-04-21 → 2026-05-19 · 190 obs

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○A3.170.229.1102026-05-27 → 2026-05-29 · 7 obs

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○A3.170.229.42026-05-27 → 2026-05-29 · 7 obs

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🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
swimbooker.com	ns-194.awsdns-24.com, ns-709.awsdns-24.net, ns-1732.awsdns-24.co.uk, ns-1384.awsdns-45.org	2 records

✅ Authoritative Response

Server:205.251.192.194

NS records: ns-194.awsdns-24.com, ns-709.awsdns-24.net, ns-1732.awsdns-24.co.uk, ns-1384.awsdns-45.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for swimbooker.com (unsigned zone)

⏱️ Timing

Total: 1344ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`18.155.21.66, 18.155.21.48...`
NS	4	`ns-1384.awsdns-45.org, ns-1732.awsdns-24.co.uk...`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	3	`brevo-code:6407608696c6264d4d462a7e9d1c8, google-site-verification=Xyt83buYt_uh8x5...`
SOA	1	`ns-194.awsdns-24.com awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-194.awsdns-24.com, ns-194.awsdns-24.com)

Analysis

IP Addresses

With 4 IP addresses, swimbooker.com directs to 18.155.21.48, 18.155.21.64, 18.155.21.66 and 18.155.21.127.

Name Servers

swimbooker.com is served by 4 authoritative name servers: ns-194.awsdns-24.com, ns-709.awsdns-24.net, ns-1384.awsdns-45.org and ns-1732.awsdns-24.co.uk.

The name servers of swimbooker.com overlap at least partially with those of other domains — among them d1baobeqykyu99.cloudfront.net, holavpninstaller.com, covid19model.at and two more.

These name servers commonly appear in combination with the name servers ns-623.awsdns-13.net.

Each of the four hosts ns-194.awsdns-24.com, ns-709.awsdns-24.net, ns-1384.awsdns-45.org and ns-1732.awsdns-24.co.uk has two IP addresses. ns-194.awsdns-24.com points to 205.251.192.194 and 2600:9000:5300:c200::1. ns-709.awsdns-24.net points to 205.251.194.197 and 2600:9000:5302:c500::1. ns-1384.awsdns-45.org points to 205.251.197.104 and 2600:9000:5305:6800::1. ns-1732.awsdns-24.co.uk points to 205.251.198.196 and 2600:9000:5306:c400::1.

Mail Servers

swimbooker.com uses 5 mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com plus two additional ones.

swimbooker.com shares at least some of its mail servers with other domains — for example yottled.com, sharpebmw.com, nick-brown.com and two more.

These mail servers tend to co-occur with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and three additional mail servers.

Hosts with two IP numbers each:

aspmx.l.google.com directs traffic to 172.253.122.27 and 2607:f8b0:4004:c1b::1a.

alt1.aspmx.l.google.com directs traffic to 108.177.123.27 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com directs traffic to 172.253.116.26 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com directs traffic to 192.178.223.27 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com directs traffic to 173.194.76.27 and 2a00:1450:400c:c00::1a.