`hostmaster.studentkickoff.be`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:291c^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:9f39^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.41.28^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.159.57^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.41.28, 172.67.159.57
		IPv6 hints	2606:4700:3034::6815:291c, 2606:4700:3037::ac43:9f39
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=0, name=cloudflare-ech.com

`studentkickoff.be`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:291c^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:9f39^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.41.28^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.159.57^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`christina.ns.cloudflare.com` ⭐
NS	`jakub.ns.cloudflare.com`
MX	`studentkickoff-be.mail.protection.outlook.com` ⭐
TXT	`google-site-verification=p5m3up-B8IoZi2oN8ae_DzxTLYJpdglZDd5JRiTe1HQ`
TXT	`mailerlite-domain-verification=06c2ea2d1041de2d82fbbf801595cb2ac0649f39`
TXT	`v=spf1 include:_spf.mlsend.com include:mailgun.org include:spf.protection.out...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.41.28, 172.67.159.57
		IPv6 hints	2606:4700:3034::6815:291c, 2606:4700:3037::ac43:9f39
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=0, name=cloudflare-ech.com
SOA	`christina.ns.cloudflare.com`dns@cloudflare.com serial=2402006189

WOT: SAFE (60/100)
WOT: SAFE (64/100)

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DNS History

9 records (4 active, 5 former)

●A104.21.41.282026-02-16 → 2026-04-20 · 4 obs

● 2026-02-16 23:30:38
○ 2026-02-21 10:16:52
● 2026-04-16 04:57:18
● 2026-04-20 00:15:30

●A172.67.159.572026-02-16 → 2026-04-20 · 4 obs

● 2026-02-16 23:30:38
○ 2026-02-21 10:16:52
● 2026-04-16 04:57:18
● 2026-04-20 00:15:30

○A188.114.96.02026-02-21 → 2026-02-21 · 4 obs

○ 2026-02-16 23:30:38
● 2026-02-21 10:16:52
○ 2026-04-16 04:57:18
○ 2026-04-20 00:15:30

○A188.114.97.02026-02-21 → 2026-02-21 · 4 obs

○ 2026-02-16 23:30:38
● 2026-02-21 10:16:52
○ 2026-04-16 04:57:18
○ 2026-04-20 00:15:30

○A2606:4700:130:436c:6f75:6466:6c61:72652026-02-16 → 2026-02-16 · 3 obs

● 2026-02-16 23:30:38
○ 2026-02-21 10:16:52
○ 2026-04-20 00:15:30

●A2606:4700:3034::6815:291c2026-04-20 → 2026-04-20 · 3 obs

○ 2026-02-16 23:30:38
○ 2026-04-16 04:57:18
● 2026-04-20 00:15:30

●A2606:4700:3037::ac43:9f392026-04-20 → 2026-04-20 · 3 obs

○ 2026-02-16 23:30:38
○ 2026-04-16 04:57:18
● 2026-04-20 00:15:30

○A2a06:98c1:3120::2026-02-21 → 2026-04-16 · 4 obs

○ 2026-02-16 23:30:38
● 2026-02-21 10:16:52
● 2026-04-16 04:57:18
○ 2026-04-20 00:15:30

○A2a06:98c1:3121::2026-02-21 → 2026-04-16 · 4 obs

○ 2026-02-16 23:30:38
● 2026-02-21 10:16:52
● 2026-04-16 04:57:18
○ 2026-04-20 00:15:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
be	a.nsset.be, b.nsset.be, c.nsset.be, d.nsset.be...	12 records
studentkickoff.be	jakub.ns.cloudflare.com, christina.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.193

NS records: jakub.ns.cloudflare.com, christina.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studentkickoff.be (unsigned zone)

⏱️ Timing

Total: 445ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.41.28, 172.67.159.57`
AAAA	2	`2606:4700:3037::ac43:9f39, 2606:4700:3034::6815:291c`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (a.nsset.be, a.nsset.be, b.nsset.be...)

Analysis

IP Addresses

hostmaster.studentkickoff.be resolves to four IP numbers: 2606:4700:3034::6815:291c, 2606:4700:3037::ac43:9f39, 104.21.41.28 and 172.67.159.57.

other host names for instance cfed.org, www.vodvv.com, dnscloudflare.ru, laksb.ru and data2025-base.digital share IP numbers with hostmaster.studentkickoff.be.

hostmaster.studentkickoff.be - robtex.com