nielcoit.dk

📜 Historical scan 2026-10-02 17:50:22 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nielcoit.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 25 March 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.48 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by nielcoit-dk.mail.protection.outlook.com, mx.simply.com. 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 27ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.48	600s	linux62.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

2 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	nielcoit-dk.mail.protection.outlook.com	2a01:111:f403:c967::c 2a01:111:f403:ca04::c 2a01:111:f403:ca21::10 2a01:111:f403:ca3c::a 52.101.103.39 52.101.185.114 52.101.209.31 52.101.68.15	mail-cpjpr05cu00204.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-matpr05cu00100.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-cpjpr05cu00207.inbound.protection.outlook.com mail-db6pr03cu00107.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
10	600s	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.154.136
🔶 Autoconfig	94.231.103.48

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 47ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	10	1	5061	sipfed.online.lync.com

📝 TXT Records#

4 records 184ms

TXT Record
GDMSOiG
google-site-verification=tTPpKpAa44q6fUbAyUVCc82AuYYkpOYe6dLpRJRIJ9s
MS=ms17984876
v=spf1 a mx include:spf.protection.outlook.com include:backup.nielcoit.dk include:spf.simply.com ip4:94.231.109.96 ip4:86.58.194.20 -all

✉️ SPF#

Policy	Record (nielcoit.dk)
-all (hard fail)	v=spf1 a mx include:spf.protection.outlook.com include:backup.nielcoit.dk include:spf.simply.com ip4:94.231.109.96 ip4:86.58.194.20 -all

📨 DMARC#

Policy	Record (_dmarc.nielcoit.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:dmarc@nielcoit.dk

📬 MTA-STS#

107ms

Check	Result
Status	⚠️ Invalid
TXT record (_mta-sts)	✓ Found
HTTPS policy	✗ Missing / invalid
Policy ID	20261002
Policy MX	—

📈 TLSRPT#

Status	Report address (rua)
✓ Enabled	mailto:tlsrpt@nielcoit.dk

📜 CAA Records#

2 records 26ms

Flags	Tag	Value
0	iodef	mailto:dmarc@nielcoit.dk
0	issue	letsencrypt.org

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-21 14:05:35

www	94.231.103.48 (AS48854) (address records, no CNAME)
www vs bare domain	Same network nielcoit.dk: 94.231.103.48 (AS48854) www.nielcoit.dk: 94.231.103.48 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY
BIMI	v=BIMI1; l=https://nielcoit.dk/wp-content/uploads/nielcoit-logo-bimi.svg

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-nielcoit-dk._domainkey.nielcoit.onmicrosoft.com	RSA · ~2048 bit
selector2	selector2-nielcoit-dk._domainkey.nielcoit.onmicrosoft.com	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#

3 records 682ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	4B949F05A63FED95FC94B3A83DD70167…

🔐 DNSSEC#

115ms

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

🏷️ SOA#

24ms

Field	Value
Serial	2026100207
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-03 18:33:18

Field	Value
Registrar	Simply.com A/S
Registered	2009-03-25
Expires	2027-03-31 (159d)

📋 WHOIS#

⏱️ Lookup Timing#

27ms

39ms

37ms

AAAA

31ms

TXT

184ms

CAA

26ms

HTTPS

36ms

TLSA

682ms

SOA

24ms

MTA-STS

107ms

DNSSEC

115ms

SRV

47ms

Total

1659ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 14:05:35	646ms	4 NS 1 A 2 MX	🔒 Secure
2026-10-13 00:10:05	4980ms	4 NS 1 A 2 MX	🔒 Secure
2026-10-03 17:52:22	2878ms	4 NS 1 A 2 MX	🔒 Secure
2026-10-02 17:50:22 shown	1659ms	4 NS 1 A 2 MX	🔒 Secure
2026-10-01 17:47:58	3282ms	4 NS 1 A 2 MX	🔒 Secure
2026-09-30 17:43:13	1023ms	4 NS 1 A 2 MX	🔒 Secure
2026-09-30 16:40:48	1198ms	4 NS 1 A 2 MX	🔒 Secure
2026-09-23 14:46:20	1339ms	4 NS 1 A 2 MX	🔒 Secure
2026-09-15 01:55:13	2285ms	4 NS 1 A 2 MX	🔒 Secure
2026-09-10 00:48:27	1072ms	4 NS 1 A 2 MX	🔒 Secure
2026-09-08 05:58:57	966ms	4 NS 1 A 2 MX	🔒 Secure
2026-09-01 13:05:25	913ms	4 NS 1 A 2 MX	🔒 Secure
2026-08-28 01:40:37	1431ms	4 NS 1 A 2 MX	🔒 Secure
2026-06-20 00:34:23	1025ms	4 NS 1 A 2 MX	🔒 Secure
2026-06-17 13:01:04	1658ms	4 NS 1 A 2 MX	🔒 Secure