optimalsolutions.se - dns.ninja

`optimalsolutions.se`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:816e^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:193^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.1.147^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.129.110^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cash.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b51^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cash.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c151^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cash.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2151^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cash.ns.cloudflare.com`
		A	108.162.193.81^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cash.ns.cloudflare.com`
		A	172.64.33.81^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cash.ns.cloudflare.com`
		A	173.245.59.81^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cash.ns.cloudflare.com`
NS	`sunny.ns.cloudflare.com`
		A	2606:4700:50::a29f:26a6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sunny.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2a6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sunny.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22a6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sunny.ns.cloudflare.com`
		A	108.162.194.166^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sunny.ns.cloudflare.com`
		A	162.159.38.166^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sunny.ns.cloudflare.com`
		A	172.64.34.166^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sunny.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.1.147, 172.67.129.110
		IPv6 hints	2606:4700:3030::ac43:816e, 2606:4700:3034::6815:193
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=93, name=cloudflare-ech.com
SOA	`cash.ns.cloudflare.com`dns@cloudflare.com serial=2410150439

`se`

	DNSSEC	🔒 Signed (DS record present)
	NS	`catcher-in-the-rye.nic.se` ⭐
	NS	`a.ns.se`
	NS	`b.ns.se`
	NS	`c.ns.se`
	NS	`f.ns.se`
	NS	`g.ns.se`
	NS	`i.ns.se`
	NS	`m.ns.se`
	NS	`x.ns.se`
	NS	`y.ns.se`
	NS	`z.ns.se`
	TXT	`id:32023963-7028-4a00-aeb8-2b2db58dd40f`
	TXT	`SE zone update: 2026-08-01 09:21:36 +0000 (EPOCH 1785576096) (auto)`
	SOA	`catcher-in-the-rye.nic.se`registry-default@nic.se serial=1785576448

Previously NS for

sorensen.se

Same first word

optimalsolutions.com

optimalsolutions.us

optimalsolutions.com.co

optimalsolutions.mobi

optimalsolutions.com.au

optimalsolutions.it

optimalsolutions.se

DNS History

22 records (6 active, 16 former)

●NScash.ns.cloudflare.com2026-04-13 → 2026-08-01 · 3 obs

○ 2017-08-11 11:20:08
● 2026-04-13 11:37:40
● 2026-08-01 11:14:08

○NSns01.netcamp.se2008-12-18 → 2015-05-08 · 4 obs

● 2008-12-18 21:45:24
● 2015-05-08 12:42:34
○ 2015-10-15 16:12:48
○ 2026-08-01 11:14:08

○NSns02.netcamp.se2008-12-18 → 2015-05-08 · 4 obs

● 2008-12-18 21:45:24
● 2015-05-08 12:42:34
○ 2015-10-15 16:12:48
○ 2026-08-01 11:14:08

○NSns03.netcamp.se2008-12-18 → 2015-05-08 · 4 obs

● 2008-12-18 21:45:24
● 2015-05-08 12:42:34
○ 2015-10-15 16:12:48
○ 2026-08-01 11:14:08

○NSns1.loopia.se2015-10-15 → 2017-08-11 · 5 obs

○ 2008-12-18 21:45:24
● 2015-10-15 16:12:48
● 2017-08-11 11:20:08
○ 2026-04-13 11:37:40
○ 2026-08-01 11:14:08

○NSns2.loopia.se2015-10-15 → 2017-08-11 · 5 obs

○ 2008-12-18 21:45:24
● 2015-10-15 16:12:48
● 2017-08-11 11:20:08
○ 2026-04-13 11:37:40
○ 2026-08-01 11:14:08

●NSsunny.ns.cloudflare.com2026-04-13 → 2026-08-01 · 3 obs

○ 2017-08-11 11:20:08
● 2026-04-13 11:37:40
● 2026-08-01 11:14:08

○MXmail.optimalsolutions.se2008-12-18 → 2017-08-11 · 4 obs

● 2008-12-18 21:45:24
● 2017-08-11 11:20:08
○ 2026-04-13 11:37:40
○ 2026-08-01 11:14:08

○MXmail2.optimalsolutions.se2015-10-15 → 2017-08-11 · 5 obs

○ 2008-12-18 21:45:24
● 2015-10-15 16:12:48
● 2017-08-11 11:20:08
○ 2026-04-13 11:37:40
○ 2026-08-01 11:14:08

●A104.21.1.1472026-04-13 → 2026-08-01 · 5 obs

○ 2017-08-11 11:20:08
● 2026-04-13 11:37:40
○ 2026-06-25 13:25:48
● 2026-08-01 11:14:06
● 2026-08-01 11:14:08

●A172.67.129.1102026-04-13 → 2026-08-01 · 5 obs

○ 2017-08-11 11:20:08
● 2026-04-13 11:37:40
○ 2026-06-25 13:25:48
● 2026-08-01 11:14:06
● 2026-08-01 11:14:08

○A188.114.96.02026-06-25 → 2026-06-25 · 4 obs

○ 2026-04-13 11:37:40
● 2026-06-25 13:25:48
○ 2026-08-01 11:14:06
○ 2026-08-01 11:14:08

○A188.114.97.02026-06-25 → 2026-06-25 · 4 obs

○ 2026-04-13 11:37:40
● 2026-06-25 13:25:48
○ 2026-08-01 11:14:06
○ 2026-08-01 11:14:08

○A194.9.94.792017-08-11 → 2017-08-11 · 4 obs

○ 2016-11-25 21:49:40
● 2017-08-11 11:20:08
○ 2026-04-13 11:37:40
○ 2026-08-01 11:14:08

○A217.70.37.62015-05-08 → 2016-11-25 · 5 obs

○ 2008-12-18 21:45:24
● 2015-05-08 12:42:34
● 2016-11-25 21:49:40
○ 2017-08-11 11:20:08
○ 2026-08-01 11:14:08

●A2606:4700:3030::ac43:816e2026-08-01 → 2026-08-01 · 3 obs

○ 2026-06-25 13:25:48
● 2026-08-01 11:14:06
● 2026-08-01 11:14:08

○A2606:4700:3033::6815:1932026-04-13 → 2026-04-13 · 4 obs

○ 2017-08-11 11:20:08
● 2026-04-13 11:37:40
○ 2026-06-25 13:25:48
○ 2026-08-01 11:14:08

○A2606:4700:3033::ac43:816e2026-04-13 → 2026-04-13 · 4 obs

○ 2017-08-11 11:20:08
● 2026-04-13 11:37:40
○ 2026-06-25 13:25:48
○ 2026-08-01 11:14:08

●A2606:4700:3034::6815:1932026-08-01 → 2026-08-01 · 3 obs

○ 2026-06-25 13:25:48
● 2026-08-01 11:14:06
● 2026-08-01 11:14:08

○A2a06:98c1:3120::2026-06-25 → 2026-06-25 · 4 obs

○ 2026-04-13 11:37:40
● 2026-06-25 13:25:48
○ 2026-08-01 11:14:06
○ 2026-08-01 11:14:08

○A2a06:98c1:3121::2026-06-25 → 2026-06-25 · 4 obs

○ 2026-04-13 11:37:40
● 2026-06-25 13:25:48
○ 2026-08-01 11:14:06
○ 2026-08-01 11:14:08

○A87.96.186.1492008-12-18 → 2008-12-18 · 3 obs

● 2008-12-18 21:45:24
○ 2015-05-08 12:42:34
○ 2026-08-01 11:14:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
se	f.ns.se, i.ns.se, b.ns.se, z.ns.se...	-
optimalsolutions.se	cash.ns.cloudflare.com, sunny.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.166

NS records: cash.ns.cloudflare.com, sunny.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optimalsolutions.se (unsigned zone)

⏱️ Timing

Total: 1699ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.1.147, 172.67.129.110`
AAAA	2	`2606:4700:3030::ac43:816e, 2606:4700:3034::6815:193`
NS	2	`cash.ns.cloudflare.com, sunny.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cash.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

optimalsolutions.se has four IP addresses: 104.21.1.147, 172.67.129.110, 2606:4700:3030::ac43:816e and 2606:4700:3034::6815:193.

Among the host names that share IP numbers with optimalsolutions.se are bcmd.org, www.nvironbiosolutions.com, authorverse.ai and two others.

Name Servers

optimalsolutions.se is served by two delegated name servers, cash.ns.cloudflare.com and sunny.ns.cloudflare.com.

optimalsolutions.se has the same name server delegation as a number of other domains, such as glandex.com, kasan.se, urbanstore.se and two more.

optimalsolutions.se shares at least some of its name servers with other domains, including bfm.eu.com, wetlandtracker.org, cinemachances.com and two others.

These name servers are frequently seen alongside the name servers sullivan.ns.cloudflare.com, sreeni.ns.cloudflare.com, jessica.ns.cloudflare.com and anna.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

cash.ns.cloudflare.com carries IP addresses 108.162.193.81, 172.64.33.81 and 173.245.59.81, with 3 other addresses beyond those.

sunny.ns.cloudflare.com carries IP addresses 108.162.194.166, 162.159.38.166 and 172.64.34.166, with 3 other addresses beyond those.