`hal.stacken.kth.se`

	DNSSEC	⚠️ Not signed
	A	130.237.237.28^{🇸🇪 SUNET130.237.0.0/16 KTH-LAN}

`stacken.kth.se`

	DNSSEC	⚠️ Not signed
	A	2001:6b0:1:ea::40^{🇸🇪 SUNET2001:6b0::/32 The Swedish University Network}
	A	130.237.234.40^{🇸🇪 SUNET130.237.0.0/16 KTH-LAN}
	NS	`ns.stacken.kth.se` ⭐
	NS	`b.ns.kth.se`
	NS	`primary.se` 🔒
	NS	`secondary.se`
	MX	`mailfilter-ng-1.sunet.se` ⭐
	MX	`mailfilter-ng-3.sunet.se` ⭐
	MX	`mailfilter-ng-4.sunet.se` ⭐
	MX	`mailfilter-ng-2.sunet.se`⁽²⁰⁾
	TXT	`v=spf1 mx a:mail-1.stacken.kth.se a:mail-2.stacken.kth.se include:_spf.kth.se...`
	SOA	`ns.stacken.kth.se`hostmaster@stacken.kth.se 2026-07-30 #3

WOT: SAFE (90/100)
WOT: SAFE (90/100)

PTR for

28.237.237.130.in-addr.arpa

Same first word

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lha.com

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alh.de

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hla.ph

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lha.ly

lha.ca

alh.ae

lha.fr

alh.mobi

ahl.jp

alh.org

ahl.org

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
se	a.ns.se, b.ns.se, c.ns.se, f.ns.se...	-
kth.se	a.ns.kth.se, b.ns.kth.se, e.ns.kth.se, ns2.chalmers.se...	9 records
stacken.kth.se	b.ns.kth.se, secondary.se, primary.se, ns.stacken.kth.se	2 records

✅ Authoritative Response

Server:130.237.234.17

NS records: b.ns.kth.se, secondary.se, primary.se, ns.stacken.kth.se

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stacken.kth.se (unsigned zone)

⏱️ Timing

Total: 900ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`130.237.237.28`

📌 Glue Records Collected

Total: 11

In-bailiwick: 7 (a.ns.kth.se, b.ns.kth.se, e.ns.kth.se...)

Out-of-bailiwick: 4 (ns2.chalmers.se, sunic.sunet.se, ns2.chalmers.se...)

Analysis

IP Addresses

hal.stacken.kth.se directs to one IP number, which is 130.237.237.28.

hal.stacken.kth.se - dns.ninja