`fdd-global.com`

CNAME	`d2aja57izbu6uq.cloudfront.net`
DNSSEC	⚠️ Not signed
A	2600:9000:215a:a00:1e:cced:4c80:93a1^{🇺🇸 Amazon2600:9000:215a::/48 - CloudFront}
A	2600:9000:215a:6000:1e:cced:4c80:93a1^{🇺🇸 Amazon2600:9000:215a::/48 - CloudFront}
A	2600:9000:215a:6400:1e:cced:4c80:93a1^{🇺🇸 Amazon2600:9000:215a::/48 - CloudFront}
A	2600:9000:215a:6a00:1e:cced:4c80:93a1^{🇺🇸 Amazon2600:9000:215a::/48 - CloudFront}
A	2600:9000:215a:8600:1e:cced:4c80:93a1^{🇺🇸 Amazon2600:9000:215a::/48 - CloudFront}
A	2600:9000:215a:9c00:1e:cced:4c80:93a1^{🇺🇸 Amazon2600:9000:215a::/48 - CloudFront}
A	2600:9000:215a:d000:1e:cced:4c80:93a1^{🇺🇸 Amazon2600:9000:215a::/48 - CloudFront}
A	2600:9000:215a:ee00:1e:cced:4c80:93a1^{🇺🇸 Amazon2600:9000:215a::/48 - CloudFront}
A	52.85.193.14^{🇺🇸 Amazon52.85.192.0/22 - CloudFront TD}
A	52.85.193.39^{🇺🇸 Amazon52.85.192.0/22 - CloudFront TD}
A	52.85.193.58^{🇺🇸 Amazon52.85.192.0/22 - CloudFront TD}
A	52.85.193.93^{🇺🇸 Amazon52.85.192.0/22 - CloudFront TD}
NS	`ns-1524.awsdns-62.org` ⭐
		A	2600:9000:5305:f400::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1524.awsdns-62.org`
		A	205.251.197.244^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1524.awsdns-62.org`
NS	`ns-122.awsdns-15.com`
		A	2600:9000:5300:7a00::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-122.awsdns-15.com`
		A	205.251.192.122^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-122.awsdns-15.com`
NS	`ns-1972.awsdns-54.co.uk`
		A	2600:9000:5307:b400::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1972.awsdns-54.co.uk`
		A	205.251.199.180^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1972.awsdns-54.co.uk`
NS	`ns-879.awsdns-45.net`
		A	2600:9000:5303:6f00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-879.awsdns-45.net`
		A	205.251.195.111^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-879.awsdns-45.net`
HTTPS	HTTP/2
SOA	`ns-1524.awsdns-62.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=1771291435

Same first word

fdd-global.com

DNS History

6 records (6 active, 0 former)

●NSvip3.alidns.com2026-03-24 → 2026-03-24 · 2 obs

● 2026-03-24 01:07:48
● 2026-03-24 01:07:52

●NSvip4.alidns.com2026-03-24 → 2026-03-24 · 2 obs

● 2026-03-24 01:07:48
● 2026-03-24 01:07:52

●MXmx1.feishu.cn2026-03-24 → 2026-03-24 · 2 obs

● 2026-03-24 01:07:48
● 2026-03-24 01:07:52

●MXmx2.feishu.cn2026-03-24 → 2026-03-24 · 2 obs

● 2026-03-24 01:07:48
● 2026-03-24 01:07:52

●MXmx3.feishu.cn2026-03-24 → 2026-03-24 · 2 obs

● 2026-03-24 01:07:48
● 2026-03-24 01:07:52

●CNAMEd2aja57izbu6uq.cloudfront.net2026-03-24 → 2026-03-24 · 2 obs

● 2026-03-24 01:07:48
● 2026-03-24 01:07:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
fdd-global.com	vip3.alidns.com, vip4.alidns.com	22 records

✅ Authoritative Response

Server:121.40.6.164

NS records: vip3.alidns.com, vip4.alidns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fdd-global.com (unsigned zone)

⏱️ Timing

Total: 667ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`vip3.alidns.com, vip4.alidns.com`
MX	3	`mx2.feishu.cn (pri: 5), mx3.feishu.cn (pri: 10)...`
TXT	3	`v=spf1 +include:_netblocks.m.feishu.cn -, verification-code-site-App_feishu=kvV2zw...`
CNAME	1	`d2aja57izbu6uq.cloudfront.net`
SOA	1	`vip3.alidns.com hostmaster.hichina.com`