`bbtfiberoptik.dk`

DNSSEC	🔒 Signed (DS record present)
A	94.231.109.93^{🇩🇰 team-blue-denmark94.231.96.0/20 ZITCOM A/S}
		PTR	`linux81.curanet.dk`
NS	`ns1.curanet.dk` ⭐
		A	2a02:2339:4006:108::123^{🇩🇰 team-blue-denmark2a02:2339:4000::/34}
			PTR	`ns1.curanet.dk`
		A	185.25.141.12^{🇩🇰 team-blue-denmark185.25.141.0/24 Zitcom A/S}
			PTR	`ns1.curanet.dk`
NS	`ns2.curanet.dk`
		A	2a02:2339:1:10f::123:123^{🇩🇰 team-blue-denmark2a02:2339::/36}
			PTR	`ns2.curanet.dk`
		A	91.197.248.75^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns2.curanet.dk`
MX	`mx.spamfilter.io` ⭐
		A	46.36.212.34^{🇩🇰 team-blue-denmark46.36.208.0/21}
			PTR	`node4.spamfilter.io`
		A	46.36.212.36^{🇩🇰 team-blue-denmark46.36.208.0/21}
			PTR	`node8.spamfilter.io`
		A	46.36.212.37^{🇩🇰 team-blue-denmark46.36.208.0/21}
			PTR	`node6.spamfilter.io`
		A	46.36.212.38^{🇩🇰 team-blue-denmark46.36.208.0/21}
			PTR	`node7.spamfilter.io`
		A	89.188.78.64^{🇩🇰 team-blue-denmark89.188.72.0/21 ZITCOM A/S}
			PTR	`node3.spamfilter.io`
		A	89.188.78.65^{🇩🇰 team-blue-denmark89.188.72.0/21 ZITCOM A/S}
			PTR	`node9.spamfilter.io`
		A	89.188.78.66^{🇩🇰 team-blue-denmark89.188.72.0/21 ZITCOM A/S}
			PTR	`node10.spamfilter.io`
		A	94.231.106.12^{🇩🇰 team-blue-denmark94.231.96.0/20 ZITCOM A/S}
			PTR	`node2.spamfilter.io`
TXT	`v=spf1 a:mail.bbtfiberoptic.dk include:spf.spamfilter.io -all`
TXT	`f730qty7j8pxgp046dwqqyf2rr9dmw78`
SOA	`ns1.curanet.dk`hostmaster@curanet.dk 2025-09-22 #1

`dk`

	DNSSEC	🔒 Signed (DS record present)
	NS	`b.nic.dk` ⭐
	NS	`c.nic.dk`
	NS	`h.nic.dk`
	NS	`l.nic.dk`
	NS	`s.nic.dk`
	NS	`t.nic.dk`
	TXT	`DK zone updateEpoch 1778526901localtime Mon May 11 21:15:01 2026gmtime Mon Ma...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1778526901

Same first word

bbtfiberoptik.dk

DNS History

16 records (4 active, 12 former)

○NSdns1.cscdns.net2020-01-22 → 2020-01-22 · 4 obs

○ 2017-02-06 07:46:46
● 2020-01-22 04:16:56
○ 2026-03-01 02:24:46
○ 2026-05-11 19:43:14

○NSdns2.cscdns.net2020-01-22 → 2020-01-22 · 4 obs

○ 2017-02-06 07:46:46
● 2020-01-22 04:16:56
○ 2026-03-01 02:24:46
○ 2026-05-11 19:43:14

○NSns1.ascio.net2015-08-20 → 2017-02-06 · 4 obs

● 2015-08-20 03:16:58
● 2017-02-06 07:46:46
○ 2020-01-22 04:16:56
○ 2026-05-11 19:43:14

●NSns1.curanet.dk2026-03-01 → 2026-05-11 · 3 obs

○ 2020-01-22 04:16:56
● 2026-03-01 02:24:46
● 2026-05-11 19:43:14

○NSns2.ascio.net2015-08-20 → 2017-02-06 · 4 obs

● 2015-08-20 03:16:58
● 2017-02-06 07:46:46
○ 2020-01-22 04:16:56
○ 2026-05-11 19:43:14

●NSns2.curanet.dk2026-03-01 → 2026-05-11 · 3 obs

○ 2020-01-22 04:16:56
● 2026-03-01 02:24:46
● 2026-05-11 19:43:14

○NSns3.ascio.net2015-08-20 → 2017-02-06 · 4 obs

● 2015-08-20 03:16:58
● 2017-02-06 07:46:46
○ 2020-01-22 04:16:56
○ 2026-05-11 19:43:14

●MXmx.spamfilter.io2020-01-22 → 2026-05-11 · 3 obs

○ 2017-02-06 07:46:46
● 2020-01-22 04:16:56
● 2026-05-11 19:43:14

○MXmx20.check4spam.dk2015-12-05 → 2017-02-06 · 5 obs

○ 2015-08-20 03:16:58
● 2015-12-05 14:54:44
● 2017-02-06 07:46:46
○ 2020-01-22 04:16:56
○ 2026-05-11 19:43:14

○MXmx30.check4spam.dk2015-12-05 → 2017-02-06 · 5 obs

○ 2015-08-20 03:16:58
● 2015-12-05 14:54:44
● 2017-02-06 07:46:46
○ 2020-01-22 04:16:56
○ 2026-05-11 19:43:14

○MXmx40.check4spam.dk2015-12-05 → 2017-02-06 · 5 obs

○ 2015-08-20 03:16:58
● 2015-12-05 14:54:44
● 2017-02-06 07:46:46
○ 2020-01-22 04:16:56
○ 2026-05-11 19:43:14

○MXsmtp-in.sto-hy.se.stejtech.net2015-08-20 → 2015-08-20 · 3 obs

● 2015-08-20 03:16:58
○ 2015-12-05 14:54:44
○ 2026-05-11 19:43:14

○MXsmtp-in.sto-ste.se.stejtech.net2015-08-20 → 2015-08-20 · 3 obs

● 2015-08-20 03:16:58
○ 2015-12-05 14:54:44
○ 2026-05-11 19:43:14

○A213.239.214.1422020-01-22 → 2020-01-22 · 4 obs

○ 2017-02-06 07:46:46
● 2020-01-22 04:16:56
○ 2026-03-01 02:24:46
○ 2026-05-11 19:43:14

○A86.58.146.2202015-08-20 → 2017-02-06 · 4 obs

● 2015-08-20 03:16:58
● 2017-02-06 07:46:46
○ 2020-01-22 04:16:56
○ 2026-05-11 19:43:14

●A94.231.109.932026-03-01 → 2026-05-11 · 3 obs

○ 2020-01-22 04:16:56
● 2026-03-01 02:24:46
● 2026-05-11 19:43:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...	-
bbtfiberoptik.dk	ns1.curanet.dk, ns2.curanet.dk	-

✅ Authoritative Response

Server:185.25.141.12

NS records: ns1.curanet.dk, ns2.curanet.dk

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1142ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`94.231.109.93`
NS	2	`ns1.curanet.dk, ns2.curanet.dk`
MX	1	`mx.spamfilter.io (pri: 10)`
TXT	2	`f730qty7j8pxgp046dwqqyf2rr9dmw78, v=spf1 a:mail.bbtfiberoptic.dk include:s`
SOA	1	`ns1.curanet.dk hostmaster.curanet.dk`

Analysis

IP Addresses

bbtfiberoptik.dk points to an IP address: 94.231.109.93.

other host names include reacto.dk, toerst.dk, musikogunderholdning.dk, gourmensch.dk and polycoat.dk; they share IP numbers with bbtfiberoptik.dk.

Name Servers

Two name servers ns1.curanet.dk and ns2.curanet.dk handle the delegation for bbtfiberoptik.dk.

bbtfiberoptik.dk shares the same name server setup as other domains, for instance cloudbaac.com, knop.se, juul-sko.dk, holm-holm.dk and pandashop.fi.

bbtfiberoptik.dk at least partially shares name servers with other domains, for instance geranium.dk, gardinhylden.dk, 123lx.dk, hoofers.dk and infrasoft.info.

These name servers are commonly used with ns1.123hotel.dk and ns2.123hotel.dk.

Host names with two IP numbers:

ns1.curanet.dk points to 2a02:2339:4006:108::123 and 185.25.141.12.

ns2.curanet.dk points to 2a02:2339:1:10f::123:123 and 91.197.248.75.

Mail Servers

bbtfiberoptik.dk is handled by a single mail server, mx.spamfilter.io.

bbtfiberoptik.dk uses the same mail server setup as other domains, for instance point-auto.dk, bestmedia.dk, juelsgaard.com, folketsmadhus.dk and kulu.dk.

bbtfiberoptik.dk shares at least partially some mail servers with other domains, for instance klickit.dk, bitmedia.dk, kongsberg.dk, zeuner.dk and dansign.com.

Hostname mx.spamfilter.io resolves to eight IP numbers: 46.36.212.34, 46.36.212.36, 46.36.212.37, 46.36.212.38, 89.188.78.64, 89.188.78.65, 89.188.78.66 and 94.231.106.12.

bbtfiberoptik.dk - robtex.com