`sunera.tech`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:a65^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:a2b9^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.10.101^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.162.185^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`opal.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2664^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`opal.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c264^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`opal.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2264^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`opal.ns.cloudflare.com`
		A	108.162.194.100^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`opal.ns.cloudflare.com`
		A	162.159.38.100^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`opal.ns.cloudflare.com`
		A	172.64.34.100^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`opal.ns.cloudflare.com`
NS	`sterling.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c8f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sterling.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c38f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sterling.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:238f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sterling.ns.cloudflare.com`
		A	108.162.195.143^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sterling.ns.cloudflare.com`
		A	162.159.44.143^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sterling.ns.cloudflare.com`
		A	172.64.35.143^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sterling.ns.cloudflare.com`
MX	`mx1.feishu.cn` ⭐
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
MX	`mx2.feishu.cn`⁽⁵⁾
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
MX	`mx3.feishu.cn`⁽¹⁰⁾
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
TXT	`v=spf1 +include:_netblocks.m.feishu.cn -all`
TXT	`verification-code-site-App_feishu=PynbnTf4os3itGafF1yA`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.10.101, 172.67.162.185
		IPv6 hints	2606:4700:3030::6815:a65, 2606:4700:3035::ac43:a2b9
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=16, name=cloudflare-ech.com
SOA	`opal.ns.cloudflare.com`dns@cloudflare.com serial=2403911972

`tech`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns01.trs-dns.com` ⭐
	NS	`ns.trs-dns.com`
	NS	`ns01.trs-dns.net`
	NS	`ns10.trs-dns.info`
	NS	`ns10.trs-dns.org`
	SOA	`ns.trs-dns.com`trs-ops@tucows.com serial=1778566145

Subdomains

openai.sunera.tech

Same first word

sunera.org

sunera.gr

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sunera.de

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sunera.com.cn

sunera.cn

sunera.co

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runesa.eu

DNS History

9 records (9 active, 0 former)

●NSopal.ns.cloudflare.com2026-04-21 → 2026-05-12 · 2 obs

● 2026-04-21 23:02:28
● 2026-05-12 06:17:56

●NSsterling.ns.cloudflare.com2026-04-21 → 2026-05-12 · 2 obs

● 2026-04-21 23:02:28
● 2026-05-12 06:17:56

●MXmx1.feishu.cn2026-04-21 → 2026-05-12 · 2 obs

● 2026-04-21 23:02:28
● 2026-05-12 06:17:56

●MXmx2.feishu.cn2026-04-21 → 2026-05-12 · 2 obs

● 2026-04-21 23:02:28
● 2026-05-12 06:17:56

●MXmx3.feishu.cn2026-04-21 → 2026-05-12 · 2 obs

● 2026-04-21 23:02:28
● 2026-05-12 06:17:56

●A104.21.10.1012026-04-21 → 2026-05-12 · 2 obs

● 2026-04-21 23:02:28
● 2026-05-12 06:17:56

●A172.67.162.1852026-04-21 → 2026-05-12 · 2 obs

● 2026-04-21 23:02:28
● 2026-05-12 06:17:56

●A2606:4700:3030::6815:a652026-04-21 → 2026-05-12 · 2 obs

● 2026-04-21 23:02:28
● 2026-05-12 06:17:56

●A2606:4700:3035::ac43:a2b92026-04-21 → 2026-05-12 · 2 obs

● 2026-04-21 23:02:28
● 2026-05-12 06:17:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tech	ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info	-
sunera.tech	opal.ns.cloudflare.com, sterling.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.143

NS records: opal.ns.cloudflare.com, sterling.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sunera.tech (unsigned zone)

⏱️ Timing

Total: 2452ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.10.101, 172.67.162.185`
AAAA	2	`2606:4700:3030::6815:a65, 2606:4700:3035::ac43:a2b9`
NS	2	`opal.ns.cloudflare.com, sterling.ns.cloudflare.com`
MX	3	`mx1.feishu.cn (pri: 1), mx3.feishu.cn (pri: 10)...`
TXT	2	`v=spf1 +include:_netblocks.m.feishu.cn -, verification-code-site-App_feishu=PynbnT`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`opal.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

sunera.tech is the parent of openai.sunera.tech.

IP Addresses

Four IP numbers are pointed to by sunera.tech: 2606:4700:3030::6815:a65, 2606:4700:3035::ac43:a2b9, 104.21.10.101 and 172.67.162.185.

other host names including marinadelreyvoices.com, prolabreports.com, www.xn--barbara-thnnessen-8zb.at, commission-ethique.fr and sb.dunkbros.com share IP numbers with sunera.tech.

Name Servers

sunera.tech is delegated to two name servers opal.ns.cloudflare.com and sterling.ns.cloudflare.com.

sunera.tech shares the same name server setup as other domains, for instance kluv4ranit.click, cozwlqwoxtiy.click, shnolwoqvdt.click, murvaletikov.click and gbhkibgamxr.click.

sunera.tech at least partially shares name servers with other domains, for instance bracepro.com, appfast.club, hosting.co.uk, 4a486.com and makephotoframes.com.

These name servers are commonly used alongside sima.ns.cloudflare.com and olof.ns.cloudflare.com.

Host names with six IP numbers:

Host name opal.ns.cloudflare.com points to: 2606:4700:50::a29f:2664, 2803:f800:50::6ca2:c264, 2a06:98c1:50::ac40:2264, 108.162.194.100, 162.159.38.100 and 172.64.34.100.

Host name sterling.ns.cloudflare.com points to: 2606:4700:58::a29f:2c8f, 2803:f800:50::6ca2:c38f, 2a06:98c1:50::ac40:238f, 108.162.195.143, 162.159.44.143 and 172.64.35.143.

Mail Servers

sunera.tech is handled by three mail servers: mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

sunera.tech shares some mail servers with other domains, at least partially, for instance goodideamedia.com, 91nx.cn, omnicaption.com, flowtica.ai and wenyj.com.