`nuc-online.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:85f1^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:5e4^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.5.228^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.133.241^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ara.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a43^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c043^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2043^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ara.ns.cloudflare.com`
		A	108.162.192.67^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ara.ns.cloudflare.com`
		A	172.64.32.67^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ara.ns.cloudflare.com`
		A	173.245.58.67^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ara.ns.cloudflare.com`
NS	`luke.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bc8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`luke.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1c8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`luke.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21c8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`luke.ns.cloudflare.com`
		A	108.162.193.200^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`luke.ns.cloudflare.com`
		A	172.64.33.200^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`luke.ns.cloudflare.com`
		A	173.245.59.200^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`luke.ns.cloudflare.com`
MX	`mail.nuc-online.com` ⭐
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.5.228, 172.67.133.241
		IPv6 hints	2606:4700:3031::ac43:85f1, 2606:4700:3034::6815:5e4
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=75, name=cloudflare-ech.com
SOA	`ara.ns.cloudflare.com`dns@cloudflare.com serial=2408022185

`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=1784485412

WOT: SAFE (60/100)

Same first word

nuc-online.com

DNS History

17 records (7 active, 10 former)

●NSara.ns.cloudflare.com2026-02-16 → 2026-07-19 · 3 obs

○ 2019-12-22 00:12:58
● 2026-02-16 01:19:30
● 2026-07-19 18:37:12

●NSluke.ns.cloudflare.com2026-02-16 → 2026-07-19 · 3 obs

○ 2019-12-22 00:12:58
● 2026-02-16 01:19:30
● 2026-07-19 18:37:12

○NSns1.softlayer.com2015-07-13 → 2019-12-22 · 4 obs

● 2015-07-13 06:20:08
● 2019-12-22 00:12:58
○ 2026-02-16 01:19:30
○ 2026-07-19 18:37:12

○NSns2.softlayer.com2015-07-13 → 2019-12-22 · 4 obs

● 2015-07-13 06:20:08
● 2019-12-22 00:12:58
○ 2026-02-16 01:19:30
○ 2026-07-19 18:37:12

●MXmail.nuc-online.com2015-07-13 → 2026-07-19 · 2 obs

● 2015-07-13 06:20:08
● 2026-07-19 18:37:12

●A104.21.5.2282026-02-16 → 2026-07-19 · 11 obs

○ 2019-12-22 00:12:58
● 2026-02-16 01:19:30
○ 2026-02-27 10:12:42
● 2026-03-27 13:16:26
● 2026-03-30 13:29:52
○ 2026-04-09 03:19:58
● 2026-04-30 22:14:56
● 2026-05-22 02:00:16
○ 2026-05-27 22:10:20
● 2026-05-29 12:54:36
● 2026-07-19 18:37:12

○A169.62.27.1442019-12-22 → 2019-12-22 · 4 obs

○ 2017-02-16 14:42:22
● 2019-12-22 00:12:58
○ 2026-02-16 01:19:30
○ 2026-07-19 18:37:12

●A172.67.133.2412026-02-16 → 2026-07-19 · 11 obs

○A174.36.194.2032015-07-13 → 2017-02-16 · 4 obs

● 2015-07-13 06:20:08
● 2017-02-16 14:42:22
○ 2019-12-22 00:12:58
○ 2026-07-19 18:37:12

○A188.114.96.02026-02-27 → 2026-05-27 · 10 obs

○ 2026-02-16 01:19:30
● 2026-02-27 10:12:42
○ 2026-03-27 13:16:26
○ 2026-03-30 13:29:52
● 2026-04-09 03:19:58
○ 2026-04-30 22:14:56
○ 2026-05-22 02:00:16
● 2026-05-27 22:10:20
○ 2026-05-29 12:54:36
○ 2026-07-19 18:37:12

○A188.114.97.02026-02-27 → 2026-05-27 · 10 obs

●A2606:4700:3031::ac43:85f12026-07-19 → 2026-07-19 · 3 obs

○ 2026-06-16 19:56:52
● 2026-07-19 17:16:24
● 2026-07-19 18:37:12

●A2606:4700:3034::6815:5e42026-07-19 → 2026-07-19 · 3 obs

○ 2026-06-16 19:56:52
● 2026-07-19 17:16:24
● 2026-07-19 18:37:12

○A2606:4700:3035::ac43:85f12026-02-16 → 2026-06-16 · 13 obs

○A2606:4700:3037::6815:5e42026-02-16 → 2026-06-16 · 13 obs

○A2a06:98c1:3120::2026-02-27 → 2026-05-27 · 10 obs

○A2a06:98c1:3121::2026-02-27 → 2026-05-27 · 10 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
nuc-online.com	luke.ns.cloudflare.com, ara.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.200

NS records: luke.ns.cloudflare.com, ara.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nuc-online.com (unsigned zone)

⏱️ Timing

Total: 2129ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.5.228, 172.67.133.241`
AAAA	2	`2606:4700:3034::6815:5e4, 2606:4700:3031::ac43:85f1`
NS	2	`ara.ns.cloudflare.com, luke.ns.cloudflare.com`
MX	1	`mail.nuc-online.com (pri: 10)`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ara.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (luke.ns.cloudflare.com, luke.ns.cloudflare.com, luke.ns.cloudflare.com...)

Analysis

IP Addresses

nuc-online.com directs to four IP numbers, which are 104.21.5.228, 172.67.133.241, 2606:4700:3031::ac43:85f1 and 2606:4700:3034::6815:5e4.

Two other host names, along with www.guh.nu, airoman.ro and mail.optiointeractive.com, also share IP numbers with nuc-online.com.

Name Servers

DNS delegation for nuc-online.com points to two name servers: ara.ns.cloudflare.com and luke.ns.cloudflare.com.

nuc-online.com shares its NS records with other domains, for example cmc-ocean.org, ft.pe, 76234.com and two others.

At least some of nuc-online.com's name servers are shared with other domains, for example hunter-colombia.com.co, x5h5.com, cfqf2.com and two more.

These name servers tend to be deployed in combination with the name servers sri.ns.cloudflare.com and cameron.ns.cloudflare.com.

DNS names with 6 IP addresses:

ara.ns.cloudflare.com has IP addresses 108.162.192.67, 172.64.32.67 and 173.245.58.67, plus 3 other.

luke.ns.cloudflare.com has IP addresses 108.162.193.200, 172.64.33.200 and 173.245.59.200, plus 3 other.

Mail Servers

The sole mail server for nuc-online.com is mail.nuc-online.com.

nuc-online.com - robtex.com

nuc-online.com

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