sparkron.dk

📜 Historical scan 2026-07-17 00:48:10 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sparkron.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 11 November 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 137.117.229.255 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by sparkron-dk.u-v1.mx.microsoft. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 43ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.eurodns.com	199.167.66.107 2610:1c8:b002::107	ns1.eurodns.com ns1.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns2.eurodns.com	104.37.178.107 2610:1c8:b001::107	ns2.eurodns.com ns2.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns3.eurodns.com	199.167.66.108 2610:1c8:b002::108	ns3.eurodns.com ns3.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns4.eurodns.com	104.37.178.108 2610:1c8:b001::108	ns4.eurodns.com ns4.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC

🌍 A Records#

1 records 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
137.117.229.255	881s	—	AS8075	Microsoft Corporation	137.116.0.0/15	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	7200s	sparkron-dk.u-v1.mx.microsoft	2a01:111:f403:ca04::5 2a01:111:f403:ca04::f 2a01:111:f403:ca09::7 2a01:111:f403:ca09::f 52.101.68.0 52.101.68.27 52.101.73.153 52.101.73.2	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

2 records 85ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	10	100	5061	sipfed.online.lync.com
_xmpp-server._tcp	0	0	5269	sip.sparkron.dk

📝 TXT Records#

12 records 321ms

TXT Record
_globalsign-domain-verification=BI5gCt7KJ71Ws2MXEy7UZyIif-AhhDtR6fjzmZhiVW
_globalsign-domain-verification=HaGngOisaZPDAXXJ_4jqMBF0x5UQ8O0OoaOrywDmc6
_globalsign-domain-verification=kgEp-xk-mWNS02SHHuP1y5ZraqsR4J-5jpZu_SHdag
_globalsign-domain-verification=uN11pIOMEmvadR7FpshTZgj2g37Ug8AbUqp2nXcUSf
_globalsign-domain-verification=VE_P4hC5FNSf3dSmakurD7RHQuXldbxetQdr6u2r8v
_globalsign-domain-verification=z1cnd_N9eUJz4-cctjcnTsRi_49aX9Epvrhr8CqL2f
/KDc0L/uDqejV3R3TgXA/NZhgMRUt2ULjm0KM50nPj8=
MS=F2C5D8D04B5D0B882B2283141939A32E3D705C2F
MS=ms84289455
v=spf1 ip4:193.162.109.0/24 ip4:91.235.232.0/24 ip4:81.95.255.12 ip4:81.95.255.13 ip4:81.95.255.14 ip4:131.165.67.22 a:mail.xssmail.dk a:mailrelay.resultmaker.com include:_spf.presscloud.com include:mailmailmail.net include:spf.protection.outlook.com include:send.heysender.com ~all
z+KGOGtUPkdbdGL6Rr+L0kdsxoMPZWx4YG2hJ+efTEw=
z+KGOGtUPkdbdGL6Rr+L0v9AXvdZUPX2cKPWB4bQwl0=

✉️ SPF#

Policy	Record (sparkron.dk)
~all (soft fail)	v=spf1 ip4:193.162.109.0/24 ip4:91.235.232.0/24 ip4:81.95.255.12 ip4:81.95.255.13 ip4:81.95.255.14 ip4:131.165.67.22 a:mail.xssmail.dk a:mailrelay.resultmaker.com include:_spf.presscloud.com include:mailmailmail.net include:spf.protection.outlook.com include:send.heysender.com ~all

📨 DMARC#

Policy	Record (_dmarc.sparkron.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:tmzqytok@ag.eu.dmarcadvisor.com;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

4 records 43ms

Flags	Tag	Value
0	issue	globalsign.com
0	issue	letsencrypt.org
0	issuewild	globalsign.com
0	issuewild	letsencrypt.org

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-17 09:40:17

www CNAME	lb-prod-p2.neos.nbs.hosting (all on nbs.hosting) → 137.117.229.255 (AS8075)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	selector1.sparkrondk.resultmaker.dkim.ngdc.net	RSA · ~2048 bit
s2	selector2.sparkrondk.resultmaker.dkim.ngdc.net	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

8 records 96ms

Service / Owner	Type	Cert association
SMTP _25._tcp.sparkron-dk.u-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	803F7447CC75B208DBCA042346F5D8DF…
SMTP _25._tcp.sparkron-dk.u-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	C495D9E40F7E625BE22F83CC64305182…
SMTP _25._tcp.sparkron-dk.u-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	5F88694615E4C61686E106B84C3338C6…
SMTP _25._tcp.sparkron-dk.u-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	A6C267923B26A4A9617EDA73D8DB4FBC…
SMTP _25._tcp.sparkron-dk.u-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	38D895F5105BC2545822C17A2444F4B0…
SMTP _25._tcp.sparkron-dk.u-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	133086C7B822371A4A3304F1661A7880…
SMTP _25._tcp.sparkron-dk.u-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	6EBFF927297A5B3AAF5EAE672252C36A…
SMTP _25._tcp.sparkron-dk.u-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	C1AD7778796D20BCA65C889A26550211…

🔐 DNSSEC#

9068ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026070904
Primary NS (MNAME)	ns1.eurodns.com
Responsible (RNAME)	hostmaster@eurodns.com
Refresh	43200s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-17 10:16:11

Field	Value
Registrar	Eurodns S.A
Registered	1996-11-11
Expires	2026-12-31 (74d)

🔗 Same registrant#

5 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
der-hvor-du-er.dk	Punktum dk A/S (direct)
kronboliglaan.dk	DANDOMAIN A/S
kronjylland.dk	Punktum dk A/S (direct)
kronseklubben.dk	DANDOMAIN A/S
sparekron.dk	DANDOMAIN A/S

📋 WHOIS#

⏱️ Lookup Timing#

43ms

47ms

44ms

AAAA

45ms

TXT

321ms

CAA

43ms

HTTPS

41ms

TLSA

96ms

SOA

0ms

MTA-STS

69ms

DNSSEC

9068ms

SRV

85ms

Total

10606ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 09:40:17	2046ms	4 NS 0 A 1 MX	🔒 Secure
2026-10-16 09:21:42	834ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-28 23:40:39	1020ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-27 23:23:52	1068ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-20 14:50:33	1937ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-13 12:46:21	1068ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-28 02:37:30	9972ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-23 08:07:08	1688ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-22 07:51:15	2001ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-07 09:10:07	1602ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-17 00:48:10 shown	10606ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-15 16:06:28	1532ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-11 08:39:44	1315ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-02 15:42:48	4801ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-25 09:23:59	2967ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 14:45:43	1526ms	4 NS 1 A 1 MX	🔒 Secure