`coreintegration.se`

DNSSEC	⚠️ Not signed
NS	`ns1.corenet.se` ⭐
		A	155.4.80.148^{🇸🇪 BAHNHOF155.4.0.0/16 Bahnhof Internet, Sweden}
			PTR	`smtp.corenet.se`
NS	`ns2.corenet.se`
		A	155.4.80.149^{🇸🇪 BAHNHOF155.4.0.0/16 Bahnhof Internet, Sweden}
			PTR	`h-155-4-80-149.a444.corp.bahnhof.se`
MX	`smtp.corenet.se` ⭐
		A	155.4.80.148^{🇸🇪 BAHNHOF155.4.0.0/16 Bahnhof Internet, Sweden}
			PTR	`smtp.corenet.se`
TXT	`v=spf1 mx ip4:155.4.80.148/32 a:smtp.corenet.se a:ste-ftg-msa1.bahnhof.se a:s...`
SOA	`ns1.corenet.se`dnsadmin@corenet.se 2022-11-30 #60

`se`

	DNSSEC	🔒 Signed (DS record present)
	NS	`catcher-in-the-rye.nic.se` ⭐
	NS	`a.ns.se`
	NS	`b.ns.se`
	NS	`c.ns.se`
	NS	`f.ns.se`
	NS	`g.ns.se`
	NS	`i.ns.se`
	NS	`m.ns.se`
	NS	`x.ns.se`
	NS	`y.ns.se`
	NS	`z.ns.se`
	TXT	`SE zone update: 2026-06-14 08:22:08 +0000 (EPOCH 1781425328) (auto)`
	TXT	`id:2ce394ba-317a-45c7-a40b-0ebdbdbe1be7`
	SOA	`catcher-in-the-rye.nic.se`registry-default@nic.se serial=1781425713

Subdomains

www.coreintegration.se

Same first word

coreintegration.se

DNS History

4 records (3 active, 1 former)

●NSns1.corenet.se2015-05-01 → 2026-06-14 · 2 obs

● 2015-05-01 02:15:56
● 2026-06-14 09:19:12

●NSns2.corenet.se2015-05-01 → 2026-06-14 · 2 obs

● 2015-05-01 02:15:56
● 2026-06-14 09:19:12

○MXblocker01.corenet.se2015-05-01 → 2016-09-19 · 4 obs

● 2015-05-01 02:15:56
● 2016-09-19 00:47:42
○ 2017-10-26 20:26:44
○ 2026-06-14 09:19:12

●MXsmtp.corenet.se2017-10-26 → 2026-06-14 · 3 obs

○ 2016-09-19 00:47:42
● 2017-10-26 20:26:44
● 2026-06-14 09:19:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
se	f.ns.se, g.ns.se, a.ns.se, i.ns.se...	-
coreintegration.se	ns2.corenet.se, ns1.corenet.se	2 records

✅ Authoritative Response

Server:155.4.80.148

NS records: ns2.corenet.se, ns1.corenet.se

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coreintegration.se (unsigned zone)

⏱️ Timing

Total: 743ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns1.corenet.se, ns2.corenet.se`
MX	1	`smtp.corenet.se (pri: 5)`
TXT	1	`v=spf1 mx ip4:155.4.80.148/32 a:smtp.cor`
SOA	1	`ns1.corenet.se dnsadmin.corenet.se`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.corenet.se, ns1.corenet.se)

Analysis

Hierarchy

The domain www.coreintegration.se falls under the parent coreintegration.se.

Name Servers

coreintegration.se is served by two delegated name servers, ns1.corenet.se and ns2.corenet.se.

coreintegration.se uses the same name servers as other domains, for example fanum.se and corenet.se.

Each of ns1.corenet.se and ns2.corenet.se has one IP address: ns1.corenet.se uses 155.4.80.148 and ns2.corenet.se uses 155.4.80.149.

Mail Servers

coreintegration.se routes its mail through a single mail server, smtp.corenet.se.

coreintegration.se, corenet.se and fanum.se all share the same mail server setup.

There is one IP number for smtp.corenet.se: 155.4.80.148.

coreintegration.se - robtex.com